1
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549






                                   FORM 10-Q/A
                                 AMENDMENT NO. 1

                                   (MARK ONE)
       X AMENDMENT TO QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF
      ---             THE SECURITIES AND EXCHANGE ACT OF 1934

                For the quarterly period ended September 30, 1997



                                       OR


              TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF
      ---              THE SECURITIES EXCHANGE ACT OF 1934



                          Commission file number 1-9654



                                 OHM CORPORATION
             (Exact name of registrant as specified in its charter)




              OHIO                                     34-1503050
    (State of Incorporation)            (I.R.S. Employer Identification Number)




16406 U.S. ROUTE 224 EAST,  FINDLAY, OH.                          45840
(Address of principal executive offices)                        (Zip Code)




                                 (419) 423-3529
              (Registrant's telephone number, including area code)

         Indicate by check whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirement for the past 90 days. Yes X   No
                                           ---      ---
         The number of shares of Common Stock, par value $0.10 per share,
outstanding on October 31, 1997 was 27,367,417.



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This report is an amendment to the OHM Corporation quarterly report on Form 10-Q
for the quarter ended September 30, 1997. This report is being amended to modify
(1) the Condensed Consolidated Financial Statements for the reclassification of
deferred contract costs from long-term to current and the restatement of the
investment in NSC to the equity method, (2) the disclosures in the Notes to the
Condensed Consolidated Financial Statements and (3) Management's Discussion and
Analysis of Financial Condition and Results of Operations for the Results of
Operations.

The following items to the Company's report on Form 10-Q are being filed
herewith:


Part I    Item 1--Financial Statements

          Item 2--Management's Discussion and Analysis of Financial Condition
                  and Results of Operations

Part II   Item 1--Legal Proceedings

          Item 6--Exhibits and Reports on Form 8-K


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                                 OHM CORPORATION
                            INDEX TO QUARTERLY REPORT

                                  ON FORM 10-Q

                    FOR THE QUARTER ENDED SEPTEMBER 30, 1997






                                                  PART I
                                           FINANCIAL INFORMATION
                                                                                                            Page
                                                                                                           Number
                                                                                                           ------
Item 1.  Financial Statements

                                                                                                         
         Condensed Consolidated Balance Sheets as of September 30, 1997 (Unaudited)
           and December 31, 1996..........................................................................   1

         Condensed Consolidated Statements of  Operations (Unaudited) for the Three and Nine Months
           Ended September 30, 1997 and 1996..............................................................   2

         Condensed Consolidated Statements of Cash Flows (Unaudited) for the Nine Months
           Ended September 30, 1997 and 1996..............................................................   3

         Notes to Condensed Consolidated Financial Statements (Unaudited).................................   4

         Independent Accountants' Review Report...........................................................   9

Item 2.  Management's Discussion and Analysis of Financial Condition and Results of Operations............  10


                                                       PART II
                                                  OTHER INFORMATION

Item 1.  Legal Proceedings................................................................................  16

Item 6.  Exhibits and Reports on Form 8-K.................................................................  16

Signatures ...............................................................................................  17


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                         PART I -- FINANCIAL INFORMATION

Item 1.  FINANCIAL STATEMENTS
                                 OHM CORPORATION
                      CONDENSED CONSOLIDATED BALANCE SHEETS
                      (In Thousands, Except Per Share Data)



                                                                                    September 30,      December 31,
                                                                                        1997              1996
                                                                                    -------------      ------------
ASSETS                                                                               (Unaudited)
                                                                                                   
Current Assets:
   Cash and cash equivalents ................................................          $  8,544          $ 14,002
   Accounts receivable ......................................................            76,281            85,461
   Costs and estimated earnings on contracts in process in excess of billings            49,661            56,303
   Materials and supply inventory, at cost ..................................            14,037            13,899
   Prepaid expenses and other assets ........................................            16,178            22,663
   Deferred income taxes ....................................................            21,840            10,513
   Refundable income taxes ..................................................               159               493
                                                                                       --------          --------
                                                                                        186,700           203,334
                                                                                       --------          --------
Property and Equipment, net .................................................            59,816            70,521
                                                                                       --------          --------
Other Noncurrent Assets:
   Investments in affiliated company ........................................             7,569            23,185
   Intangible assets relating to acquired businesses, net ...................            45,444            33,534
   Deferred debt issuance and financing costs ...............................             1,219             1,412
   Deferred income taxes ....................................................             6,086             3,563
   Other assets .............................................................             1,333               988
                                                                                       --------          --------
                                                                                         61,651            62,682
                                                                                       --------          --------
     Total Assets ...........................................................          $308,167          $336,537
                                                                                       ========          ========

LIABILITIES AND SHAREHOLDERS' EQUITY
Current Liabilities:
   Accounts payable .........................................................          $ 66,750          $ 69,230
   Billings on contracts in process in excess of costs and estimated earnings             1,289               897
   Accrued compensation and related taxes ...................................             5,550             6,528
   Federal, state and local taxes ...........................................               142               150
   Other accrued liabilities ................................................            22,427            21,477
   Current portion of noncurrent liabilities ................................             7,400             5,321
                                                                                       --------          --------
                                                                                        103,558           103,603
                                                                                       --------          --------
Noncurrent Liabilities:
   Long-term debt ...........................................................            49,248            52,972
   Deferred gain from sale leaseback of equipment ...........................             3,450             4,484
   Capital leases ...........................................................                74                32
   Pension agreement ........................................................               860               874
                                                                                       --------          --------
                                                                                         53,632            58,362
                                                                                       --------          --------
Commitments and Contingencies ...............................................                --                --

Shareholders' Equity:
   Preferred stock, $10.00 par value, 2,000,000 shares authorized;
     None issued and outstanding ............................................                --                --
   Common stock, $.10 par value, 50,000,000 shares authorized;
     Shares issued:  1997 - 27,302,115; 1996 - 26,992,140 ...................             2,730             2,699
   Additional paid-in capital ...............................................           141,470           138,989
   Retained earnings ........................................................             6,777            32,884
                                                                                       --------          --------
                                                                                        150,977           174,572
                                                                                       --------          --------
     Total Liabilities and Shareholders' Equity..............................          $308,167          $336,537
                                                                                       ========          ========


The accompanying notes are an integral part of these condensed consolidated
financial statements.


                                       1
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                                 OHM CORPORATION
                 CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
                        (In Thousands, Except Share Data)



                                                             Three Months Ended                     Nine Months Ended
                                                                 September 30,                         September 30,
                                                         -----------------------------           ----------------------------
                                                           1997                1996                1997                1996
                                                         ---------           ---------           ---------           --------
                                                                     (Unaudited)                         (Unaudited)
                                                                                                         
Revenue .......................................          $ 143,656           $ 158,272           $ 381,467           $ 406,412
   Cost of services ...........................            122,747             137,634             328,833             353,184
                                                         ---------           ---------           ---------           ---------
Gross Profit ..................................             20,909              20,638              52,634              53,228
   Claims settlement costs and other ..........                 --                  --              37,877                  --
   Selling, general and administrative expenses             11,972              13,124              33,872              36,243
                                                         ---------           ---------           ---------           ---------
Operating Income (Loss) .......................              8,937               7,514             (19,115)             16,985
                                                         ---------           ---------           ---------           ---------
Other (Income) Expenses:
   Investment income ..........................               (102)                (97)               (154)               (112)
   Interest expense ...........................              1,226               1,780               3,779               5,658
   Equity in net loss (earnings) of affiliate .                852                (183)                667                (632)
   Write-down of investment in NSC Corporation                  --                  --              14,949                  --
   Miscellaneous expense, net .................                  9                 (54)                232                 489
                                                         ---------           ---------           ---------           ---------
                                                             1,985               1,446              19,473               5,403
                                                         ---------           ---------           ---------           ---------
Income (Loss) Before Income Taxes .............              6,952               6,068             (38,588)             11,582
   Income taxes (benefit) .....................              2,890               2,072             (12,479)              3,877
                                                         ---------           ---------           ---------           ---------
Net Income (Loss) .............................          $   4,062           $   3,996           $ (26,109)          $   7,705
                                                         =========           =========           =========           =========

Net Income (Loss) Per Share ...................          $    0.15           $    0.15           $   (0.96)          $    0.29
                                                         =========           =========           =========           =========

Weighted average number of common and
   equivalent shares outstanding ..............             27,301              26,862              27,151              26,787
                                                         =========           =========           =========           =========



The accompanying notes are an integral part of these condensed consolidated
financial statements.


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                                 OHM CORPORATION
                 CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (In Thousands)



                                                                                               Nine Months Ended
                                                                                                  September 30,
                                                                                          ----------------------------
                                                                                            1997                1996
                                                                                          -------              -------
                                                                                                  (Unaudited)
                                                                                                       
Cash flows from operating activities:
Net (loss) income .............................................................          $ (26,109)          $   7,705
Adjustments to reconcile net income to net cash provided
   by (used in) operating activities:
     Depreciation and amortization ............................................             10,717              13,025
     Amortization of other noncurrent assets ..................................              2,345               2,855
     Deferred income taxes ....................................................            (13,224)              3,177
     Loss (gain) on sale of property and equipment ............................               (285)                381
     Loss (Equity) in net earnings of affiliate ...............................                667                (632)
     Writedown of investment in affiliated company ............................             14,949                  --
     Deferred translation adjustments and other ...............................                 74                  37
Changes in current assets and liabilities:
     Accounts receivable ......................................................             13,330               9,088
     Costs and estimated earnings on contracts in process in excess of billings              6,642              (4,792)
     Materials and supply inventory, at cost ..................................               (138)               (451)
     Prepaid expenses and other assets ........................................              7,540               1,813
     Refundable income taxes and other adjustments ............................                334                  66
     Accounts payable .........................................................             (9,997)             (4,432)
     Billings on contracts in process in excess of costs and estimated earnings                392              (1,022)
     Accrued compensation and related taxes ...................................             (1,458)               (755)
     Federal, state and local income taxes ....................................                 (8)               (160)
     Other accrued liabilities ................................................             (1,056)             (6,911)
                                                                                         ---------           ---------
       Net cash flows provided by operating activities ........................              4,715              18,992
                                                                                         ---------           ---------
Cash flows from investing activities:
     Purchases of property and equipment ......................................            (14,547)            (15,263)
     Proceeds from sale of property and equipment .............................                585               2,222
     Proceeds from sale and leaseback of equipment ............................             17,900                  --
     Purchase of stock of business less cash acquired .........................             (7,092)                 --
     Decrease in receivable from affiliated company ...........................                 --              15,000
     Increase in other noncurrent assets ......................................             (2,755)             (1,057)
                                                                                         ---------           ---------
       Net cash (used in) provided by investing activities ....................             (5,909)                902
                                                                                         ---------           ---------
Cash flows from financing activities:
     Payments on long-term debt and capital leases ............................             (6,690)             (5,379)
     Proceeds from borrowing under revolving credit agreement and term loan ...            151,864             154,000
     Payments on revolving credit agreement and term loan .....................           (151,864)           (174,700)
     Payments on pension agreement ............................................                (86)                (95)
     Common stock issued for 401(k) funding and stock options .................              2,512               1,901
                                                                                         ---------           ---------
       Net cash used in financing activities ..................................             (4,264)            (24,273)
                                                                                         ---------           ---------
       Net decrease in cash and cash equivalents ..............................             (5,458)             (4,379)
Cash and cash equivalents at beginning of period ..............................             14,002              11,205
                                                                                         ---------           ---------
Cash and cash equivalents at end of period ....................................          $   8,544           $   6,826
                                                                                         =========           =========



The accompanying notes are an integral part of these condensed consolidated
financial statements.


                                       3
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                                 OHM CORPORATION
              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                               SEPTEMBER 30, 1997
                                   (Unaudited)

NOTE 1 - BASIS OF PRESENTATION

The accompanying unaudited condensed consolidated financial statements have been
prepared by OHM Corporation (the "Company") and reflect all adjustments of a
normal recurring nature which are, in the opinion of management, necessary for a
fair presentation of financial results for the three and nine months ended
September 30, 1997 and 1996, in accordance with generally accepted accounting
principles for interim financial reporting and pursuant to Article 10 of
Regulation S-X. Certain information and footnote disclosures normally included
in financial statements prepared in accordance with generally accepted
accounting principles have been condensed or omitted pursuant to such rules and
regulations. These interim condensed consolidated financial statements should be
read in conjunction with the Company's Annual Report on Form 10-K for the year
ended December 31, 1996. The results of operations for the three and nine months
ended September 30, 1997 and 1996 are not necessarily indicative of the results
for the full year.

The 1997 financial statements have been restated to continue to apply the equity
method of accounting for its investment in NSC. The Company previously had
concluded in the second quarter of 1997 that it no longer had the ability to
exercise significant influence over the operating and financial policies of NSC
after the Company announced its intention to sell its investment in NSC. As a
result, the Company wrote down its investment in NSC to its fair value (see
"Note 7 Special Charges"), discontinued reporting its share of NSC's profits and
losses in the Company's results of operations in accordance with the equity
method of accounting, and because of the change in circumstances started
accounting for its investment in NSC under FASB Statement No. 115, Accounting
for Certain Investments in Debt and Equity Securities. Based on discussions with
the SEC staff, the Company concluded that it should continue to apply the equity
method of accounting for its investment in NSC. The effect of this restatement
was to decrease net income for the three and nine months ended September 30,
1997, by $852,000 or $0.03 per share.

In February 1997, the Financial Accounting Standards Board issued Statement No.
128, Earnings per Share, which is required to be adopted on December 31, 1997.
At that time, the Company will be required to change the method currently used
to compute earnings per share and to restate all prior periods. Under the new
requirements for calculating basic earnings per share, the dilutive effect of
stock options will be excluded. The impact on the calculation of earnings per
share for the three and nine months ended September 30, 1997 and 1996 is not
expected to be material.

The unaudited condensed consolidated financial statements include the accounts
of the Company and its subsidiaries. The Company's 40% owned asbestos abatement
affiliate, NSC Corporation ("NSC"), has been accounted for using the equity
method. See "Note 7 - Special Charges" regarding the Company's plans to divest
its ownership of NSC and the related reduction of its carrying value. All
material intercompany transactions and balances have been eliminated in
consolidation.

The consolidated financial statements at September 30, 1997, and for the three
and nine months then ended, have been reviewed by Ernst & Young LLP, the
Company's independent accountants, and their report is included herein.

NOTE 2 - SUPPLEMENTARY CASH FLOW INFORMATION

Cash paid for interest was $3,520,000 and $5,253,000 and cash paid for income
taxes was $39,000 and $389,000 for the nine months ended September 30, 1997 and
1996, respectively.

NOTE 3 - ACQUISITION

Effective June 1, 1997, the Company acquired all of the outstanding stock of
Beneco Enterprises, Inc., a Utah corporation ("Beneco"), for an aggregate
purchase price of $14,700,000. The purchase price was paid as follows: (i)
$9,700,000 (excluding the $2,608,000 of cash acquired as part of Beneco - net
cash paid $7,092,000) in cash and (ii) unsecured promissory notes in the
aggregate of $5,000,000, bearing interest at 7.25%, due and payable June 17,
1998. The Company has agreed to make an additional payment in the year 2000
contingent upon the achievement of certain operating results and other
contractual conditions. Beneco is a provider of project, program and
construction management services to the Department of Defense and other
government agencies throughout the United States.

The acquisition of Beneco has been accounted for using the purchase method and,
accordingly, the acquired assets and assumed liabilities, including goodwill,
have been recorded at their estimated fair values as of June 1, 1997. The
Company's consolidated financial statements for the three and nine month periods
ended September 30, 1997 include the results of Beneco since June 1, 1997. The
following table sets forth the unaudited combined pro forma results of
operations of the Company for the nine months ended September 30, 1997 and 1996,
giving effect to the acquisition of Beneco as if such acquisition had occurred
on January 1, 1996.


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                                                                        Pro Forma
                                                                     Nine Months Ended
                                                                       September 30,
                                                                 --------------------------
                                                                 1997                  1996
                                                                 ----                  ----
                                                            (In Thousands, Except Per Share Data)
                                                                                    
   Gross revenue ....................................          $410,047             $ 452,193
   Net (loss) income.................................          $(27,071)            $   8,203
   Net (loss) income per share.......................          $  (1.00)            $    0.31



The combined pro forma results of operations for the nine months ended September
30, 1997 and 1996 are based upon certain assumptions and estimates which the
Company believes are reasonable. The combined pro forma results of operations
may not be indicative of the operating results that actually would have been
reported had the transaction been consummated on January 1, 1996, nor are they
necessarily indicative of results which will be reported in the future.

The estimated fair value of the assets acquired and liabilities assumed at the
date of acquisition are as follows (in thousands):

 Current assets..........................      $ 6,042
 Property and equipment..................          895
 Goodwill (40 year life).................       11,934
 Assembled workforce (7 year life).......          428
 Trade name (5 year life)................          346
 Current liabilities.....................        5,205

NOTE 4 - INCOME TAXES

The reasons for differences between the provisions for income taxes and the
amount computed by applying the statutory federal income tax rate to income
before income taxes are as follows:



                                                           Three Months Ended                 Nine Months Ended
                                                              September 30,                       September 30,
                                                         -----------------------             ---------------------
                                                         1997               1996             1997             1996
                                                         ----               ----             ----             ----
                                                                                                    
Federal statutory rate...........................        34.0%              34.0%            34.0%            34.0%
Add (deduct):
   State income taxes, net of federal benefit....         6.0                4.9              6.0              4.8
   Goodwill......................................         1.5                2.5             (0.7)             2.1
   Research and development tax credits..........        (4.6)              (5.9)             1.8             (5.9)
   Write-down of investment in NSC
     Corporation.................................          --                                (5.9)              --
                                                                              --
   Equity in net earnings of affiliate...........         4.6%              (0.8)            (0.7)            (1.5)
   Other, net....................................         0.1               (0.6)            (2.2)              --
                                                         ----               ----             ----               --
                                                         41.6%              34.1%            32.3%            33.5%
                                                         ====               ====             ====             ====


NOTE 5 - SEASONALITY

The timing of revenue recognition is dependent on the Company's backlog,
contract awards and the performance requirements of each contract. The Company's
revenue is also affected by the timing of its clients' planned contract work
which generally increases during the third and fourth quarters. Because of this
variability in demand, the Company's quarterly revenue can fluctuate, and
revenue for the first and second quarters of each year can normally be expected
to be lower than the third and fourth quarters. Although the Company believes
that the historical trend in quarterly revenue for the third and fourth quarters
of each year are generally higher than the first and second quarters, there can
be no assurance that this will occur in future periods. Accordingly, quarterly
or other interim results should not be considered indicative of results to be
expected for any quarter or for the full year.


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NOTE 6 - LITIGATION AND CONTINGENCIES

The Company is subject to a number of claims and litigation. These matters
include the following items which were disclosed in the consolidated financial
statements in the Company's Annual Report on Form 10-K for the year ended
December 31, 1996.

The Company is in litigation in the U.S. District Court for the Western District
of New York with Occidental Chemical Corporation ("Occidental") relating to the
Durez Inlet Project performed in 1993 and 1994 for Occidental in North
Tonawanda, New York. The Company's account receivables at September 30, 1997
include a claim receivable of $8,653,000 related to this matter. The Company's
work was substantially delayed and its costs of performance were substantially
increased as a result of conditions at the site that the Company believes were
materially different than as represented by Occidental. Occidental's amended
complaint seeks $8,806,000 in damages primarily for alleged costs incurred as a
result of project delays and added volumes of incinerated waste. The Company's
counterclaim seeks an amount in excess of $9,200,000 for damages arising from
Occidental's breach of contract, misrepresentation and failure to pay
outstanding contract amounts. The Company has established additional reserves
for a portion of the receivables related to this matter (see "Note 7 - Special
Charges"). Management believes that it has established adequate reserves should
the resolution of the above matter be lower than the amounts recorded.

As a result of an arbitration proceeding between the Company and Separation and
Recovery Systems, Inc. ("SRS") arising out of the Company's termination of SRS'
subcontract for the performance of thermal desorption services at the
Hilton-Davis Project in Cincinnati, Ohio, SRS was awarded $2,400,000 in damages
from the Company. The Company has established a $2,400,000 reserve for the
arbitration award and has reduced the receivables relating to SRS' subcontract
performance (see "Note 7 - Special Charges"). The Company filed a motion in
federal court to overturn the award and SRS has filed a motion to confirm the
award. The U.S. District Court for the Southern District of Ohio has denied the
Company's motion and confirmed the award.

The Company is in litigation with General Motors Corp. in the U.S. District
Court for the Northern District of New York. GM filed suit in January 1996
alleging that the Company breached a contract between Hughes Environmental
Systems, Inc. (HESI), a GM subsidiary, for work in 1994 for the remediation of
22,000 cubic yards of PCB contaminated sediment in the St. Lawrence River in
Massena. GM seeks damages for $3.8 million. The Company in turn filed suit
against HESI and ERM Northeast, Inc. in U.S. District Court in Northern New York
seeking $3.6 million in damages for breach of contract. The GM suit was later
consolidated with the Company's suit against HESI and ERM. GM alleges that the
Company abandoned the contract through inability to perform while the Company
claims that performance was impacted by conditions at the site that were not as
represented.

In addition to the above, the Company is subject to a number of claims and
lawsuits in the ordinary course of its business. In the opinion of management,
the outcome of these actions, which are not clearly determinable at the present
time, are either adequately covered by insurance or other reserves, or if not
insured or reserved, will not, in the aggregate, have a material adverse impact
upon the Company's consolidated future results of operations or financial
condition.

In the course of the Company's business there is always risk and uncertainty in
pursuing and defending claims, litigation and arbitration proceedings and,
notwithstanding the reserves currently established, adverse future results in
litigation or other proceedings could have a material adverse impact upon the
Company's consolidated future results of operations or financial condition.

NOTE 7 - SPECIAL CHARGES

During the second quarter of 1997, the Company settled litigation and received
an unfavorable binding arbitration decision that established a need to
write-down claims receivable previously recorded by the Company. These actions
together with a thorough analysis by management of other claims, litigation and
the related receivables and a decision by management to establish reserves for
the consolidation of certain laboratory and operational functions resulted in
the Company recording a $22,726,000 (net of $15,151,000 income tax benefit),
charge during the second quarter of 1997.

The following discussion details the various elements of the charge:

         Separation and Recovery Systems, Inc. ("SRS"). In June 1997, the
Company received an unfavorable binding arbitration decision in a dispute
between the Company and SRS. SRS's subcontract with the Company to provide
thermal desorption treatment services at the Hilton Davis chemical site in
Cincinnati, Ohio was terminated by the Company in the second quarter of 1996 due
to failure to perform. The Company subsequently attempted to perform the
treatment process with the SRS equipment and was unsuccessful. The inability of
SRS to perform caused the Company to incur significant expense to complete the
required treatment process. The Company's total claim in arbitration against SRS
for the resulting expense of failed performance was $18,500,000 and included
deferred cost of $9,814,000 recorded by the Company as a receivable from SRS. In
addition to not collecting the receivable, the arbitration decision required the
Company to pay SRS $2,400,000 in damages for their counterclaim for wrongful
termination. The Company also established a loss reserve of $2,800,000 to
complete the treatment effort required as a result of the above. Prior to the
arbitration decision the Company had concluded that it was not 


                                       6
   10


probable that a loss had occurred based on the opinion of counsel,
consequently the write-off was taken in the same period that the decision was
rendered.

         Citgo Petroleum Corporation ("Citgo"). In June 1997, the Company
settled litigation with Citgo and Occidental Oil & Gas (Oxy) relating to a
project which was performed by the Company for Citgo at its Lake Charles,
Louisiana refinery in 1993 and 1994. This litigation resulted from the Company
filing a request for equitable adjustment in April 1994 based on deficient
project specifications provided by Citgo, the subsequent lawsuit filed by Citgo
in April 1994 and the counterclaims filed by the Company in July 1994. In 1995
Citgo and the Company brought separate actions against Oxy as a third party with
previous involvement at the site. Extensive discovery by all parties prior to a
scheduled trial in 1997 led to settlement discussions in the second quarter of
1997. Under the terms of the settlement with Citgo and Oxy, the Company received
a cash payment of $14,346,000 against outstanding receivables of $22,609,000
resulting in a write-off of accounts receivable of $8,263,000. Prior to
accepting the settlement offer, the Company had concluded that it was not
probable that a loss had occurred based on the opinion of legal counsel that
there existed a reasonable basis to support the Company's claim in litigation.
The settlement and resulting write down of accounts receivable occurred after
management completed its assessment of the litigation, the determination of the
maximum amount of settlement that could be obtained and its review of the
disadvantages of continuing litigation which would divert the attention of
company management and resources.

         Other Litigation and Accounts Receivable. In addition to the
aforementioned disputes, the Company made a decision to resolve other
significant legal matters involving outstanding accounts receivable. In June
1997, the Company settled outstanding litigation with B&V Construction, Inc.
("B&V") for $1,550,000 pertaining to dispute involving subcontracted services at
a General Motors project in Flight, Michigan during late 1994. Payment to B&V
was made in July 1997. Accounts receivable involving disputes primarily related
to two additional contracts were also written down to facilitate settlement.
These decisions resulted from management's analysis of the unfavorable SRS
arbitration decision and the protracted Citgo litigation and subsequent
settlement. Management concluded that the risk associated with continued pursuit
of legal remedies was not acceptable and the further diversion of management's
attention to effect favorable outcomes was not appropriate. Prior to that time,
the Company had concluded that it was not probable that a loss had occurred
based on the opinion of counsel.

         Litigation Costs. As a result of the above legal matters and the
significant expense of resolving such matters, the Company has accrued
$2,100,000 for the expenses of the litigation such as attorney's fees. This
accrual includes costs associated with those matters included in the special
charge discussed above including those that expect to be settled. The Company
concluded that due to the timing of the settlements discussed above, the related
expense of settlement should also be accrued.


          Region Reorganization, Laboratory Closure & Severance. In May 1997,
management of the Company made a decision to consolidate certain region
operations, close certain offices and cease commercial laboratory operations.
These decisions were made as a part of a comprehensive plan completed in the
second quarter of 1997 to restructure operations of the Company. Thus, resulting
expense was recognized as a special charge at that time. Employees of the
Company were notified of the reduction in force at that time and substantially
all of the reserve requiring a cash settlement was paid prior to the end of
1997. The components of this special charge were:

      Cash items:                                              (In Thousands)
              Severance                                             $1,500
              Lease termination and facility closure                 1,139
              Other                                                    388
                                                                    ------
                    Subtotal                                         3,027
         Non cash items:
              Fixed Assets                                             773
                                                                    ------
                    Total                                           $3,800
                                                                    ======

         NSC Divestiture. During the second quarter of 1997, the Company wrote
down its investment in NSC to the expected net realizable value based on its
plans to sell its 40% share of NSC. As a result, the Company recorded a
$12,089,000 (net of $2,860,000 income tax benefit) charge to earnings. The
Company accounts for its investment in 40% of the outstanding stock of NSC
Corporation on the equity method. Although NSC's stock had traded below the per
share carrying value of the recorded investment for some time prior to June
1997, the Company believed this decline was temporary because NSC had continued
to report net income, positive cash flow from operations, and continued to pay
dividends. In the second quarter of 1997, the Company made the decision to sell
its investment in NSC. The Company concluded in the second quarter of 1997 that
as a result of its decision to sell its investment in NSC, it should record an
impairment loss. This loss was calculated to be $14.9 million before tax which
represents the difference between the Company's carrying amount of its
investment per share ($5.83) and the fair market value per share of NSC's stock
on the day that the Company decided to sell ($2.10) times the 4,010,000 shares
held by the Company.


                                       7
   11

         The following table summarizes the detailed components of the charge:



                                                              (In Thousands, Except Per Share Data)
                                                                             Tax                   Net
                                                       Charge              Benefit                 Loss
                                                       ------              -------                 ----
                                                                                        
SRS Settlement and Project Loss Accrual                $15,014              $ 6,006               $ 9,008
Citgo Settlement (Net of $14.3 million)                  8,263                3,305                 4,958
Other Litigation and Accounts Receivable                 8,700                3,480                 5,220
Litigation Costs                                         2,100                  840                 1,260
Region Reorganization & Other                            3,800                1,520                 2,280
                                                       -------              -------               -------
Total Claims Settlement & Other                         37,877               15,151                22,726
Total Write-down of Investment in NSC                   14,949                2,860                12,089
                                                       -------              -------               -------
Total Charge                                           $52,826              $18,011               $34,815
                                                       =======              =======               =======




                                       8
   12



                     INDEPENDENT ACCOUNTANTS' REVIEW REPORT




Board of Directors and Shareholders
OHM Corporation


We have reviewed the accompanying consolidated balance sheet of OHM Corporation
as of September 30, 1997, and the related consolidated statements of operations
for the three and nine month periods ended September 30, 1997 and 1996 and the
consolidated statements of cash flows for the nine month periods ended September
30, 1997 and 1996. These financial statements are the responsibility of the
Company's management.

We conducted our reviews in accordance with standards established by the
American Institute of Certified Public Accountants. A review of interim
financial information consists principally of applying analytical procedures to
financial data, and making inquiries of persons responsible for financial and
accounting matters. It is substantially less in scope than an audit conducted in
accordance with generally accepted auditing standards, which will be performed
for the full year with the objective of expressing an opinion regarding the
financial statements taken as a whole. Accordingly, we do not express such an
opinion.

Based on our reviews, we are not aware of any material modifications that should
be made to the accompanying consolidated financial statements referred to above
for them to be in conformity with generally accepted accounting principles.

We have previously audited, in accordance with generally accepted auditing
standards, the consolidated balance sheet of OHM Corporation as of December 31,
1996, and the related consolidated statements of operations, changes in
shareholders' equity, and cash flows for the year then ended, not present
herein, and in our report dated February 7, 1997, we expressed an unqualified
opinion on those consolidated financial statements. In our opinion, the
information set forth in the accompanying consolidated balance sheet as of
December 31, 1996, is fairly stated, in all material respects, in relation to
the consolidated balance sheet from which it has been derived.





                                                 /s/ ERNST & YOUNG LLP



Columbus, Ohio
October 29, 1997, except for Note 1, as to 
  which the date is May 4, 1998


                                       9
   13



Item 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND 
        RESULTS OF OPERATIONS

GENERAL

         The Company is a diversified services firm for government and private
sector clients and provides a broad range of outsourced services including
environmental remediation and project, program and construction management
services. The timing of the Company's revenue is dependent on its backlog,
contract awards and the performance requirements of each contract. The Company's
revenue is also affected by the timing of its clients' planned contract
activities which generally increase during the third and fourth quarters.
Because of this change in demand, the Company's quarterly revenue can fluctuate,
and revenue for the first and second quarters of each year have historically
been lower than for the third and fourth quarters, although there can be no
assurance that this will occur in future years. Accordingly, quarterly or other
interim results should not be considered indicative of results to be expected
for any quarter or full fiscal year.

         Effective June 1, 1997, the Company acquired all of the outstanding
stock of Beneco Enterprises, Inc., a Utah corporation ("Beneco"), for an
aggregate purchase price of $14,700,000. The purchase price was paid as follows:
(i) $9,700,000 in cash and (ii) unsecured promissory notes in the aggregate of
$5,000,000. The Company has agreed to make an additional payment in the year
2000 contingent upon the achievement of certain operating results and other
contractual conditions. Beneco is a provider of project, program and
construction management services to the Department of Defense ("DOD") and other
government agencies throughout the United States. The acquisition of Beneco has
been accounted for using the purchase method and, accordingly, the acquired
assets and assumed liabilities, including goodwill, have been recorded at their
estimated fair values as of June 1, 1997. The Company's consolidated statements
of operations include the results of Beneco since June 1, 1997. See "Note 3 to
the Consolidated Financial Statements."

RESULTS OF OPERATIONS

         REVENUE. The following table sets forth the Company's revenue by client
type for the three and nine months ended September 30, 1997 and 1996 (in
thousands, except percentages):



                                       Three Months Ended                                   Nine Months Ended
                                          September 30,                                       September 30,

                                    1997                   1996                      1997                        1996
                             ----------------        ----------------         -------------------        -------------------
                                                                                                
Federal, State, and Local
  Government...............  $110,879      77%       $117,754      74%        $308,036        81%        $305,128         75%
Industrial ................    32,777      23%         40,518      26%          73,431        19%         101,284         25%
                             --------     ---        --------     ---         --------       ---         --------        ---
         Total Revenue ....  $143,656     100%       $158,272     100%        $381,467       100%        $406,412        100%
                             ========     ===        ========     ===         ========       ===         ========        ===


         Revenue decreased $14,616,000 or 9% and $24,945,000 or 6% for the three
and nine months ended September 30, 1997, respectively, when compared to the
same time period in 1996. Such decrease in revenue is primarily due to decreased
environmental remediation revenues from government and industrial sector
clients, partially offset by revenue from Beneco of $24,533,000 which was
acquired effective June 1, 1997 and has been included in the results of
operations for the entire third quarter of 1997.

         Revenue from government agencies for the three months ended September
30, 1997 decreased $6,875,000 or 6% and increased $2,908,000 or 1% for the nine
months ended September 30, 1997, when compared to the same periods in 1996. The
improvement for the nine months ended September 30, 1997 is primarily due to the
inclusion of revenue from Beneco of $24,533,000 which was acquired effective
June 1, 1997, partially offset by a decrease in revenue from government
contracts in the Company's environmental remediation services business. Beneco's
revenue is primarily derived from program and construction management services
provided under term contracts with the various DOD agencies and state and local
governments. The environmental remediation business experienced a decrease in
revenue from the Company's term contracts with the various DOD agencies, which
was partially offset by an increase in revenue from the Environmental Protection
Agency as well as from state and local governments, during the three and nine
months ended September 30, 1997 when compared to the same periods in 1996. In
addition, the Company has experienced a decrease in revenue from its site
specific thermal incineration project in Holbrook, Massachusetts with the United
States Army Corps of Engineers as such project nears its completion. The Company
expects to continue to receive funding under its federal contracts in the
foreseeable future and is experiencing a significant amount of proposal activity
for new contracts with the various DOD agencies, as well as the Department of
Energy. However, reductions by Congress in future environmental remediation
budgets of government agencies may have a material adverse impact upon future
revenue from such agencies and the funding of the Company's government term
contracts included in contract backlog.

         The Company experienced a decrease in revenue from industrial clients
of $7,741,000 or 19% and $27,853,000 or 27% for the three months and nine months
ended September 30, 1997, respectively, when compared to the same periods in
1996. The 


                                       10
   14

Company believes that demand for its services from the industrial
sector has been negatively impacted due to anticipated changes in the Superfund
law pending its reauthorization as well as current economic conditions in
certain industry and geographic sectors. Although the Company cannot predict the
impact upon the environmental industry of the failure of Congress to reauthorize
the Superfund law, further delays in Superfund reauthorization will continue to
have a material adverse impact upon the demand for the Company's services in the
form of project delays as clients and potential clients wait for and anticipate
changes in these regulations. The result of decreased demand from the industrial
sector has increased the competitive pressures on the contracts available for
bid from the industrial market. The Company has been very selective in bidding
industrial contracts and has established specific minimum criteria on
profitability and risk in determining whether or not to compete for any given
contract. The Company expects the current market conditions to continue in the
industrial sector into the foreseeable future.

         COST OF SERVICES AND GROSS PROFIT. Cost of services decreased for the
three and nine months ended September 30, 1997 when compared to the same periods
in 1996. The decrease is due primarily to the decrease in revenue. Gross profit
increased slightly for the three months ended September 30 1997 and decreased
slightly for the nine months ended September 30, 1997 when compared to the same
periods in 1996. The Company's gross profit as a percentage of revenue increased
for the three and nine months ended September 30, 1997 when compared to the same
periods in 1996 due to an increase in the margin percent on the Company's
government projects and increased selectivity in bidding industrial contracts.

         CLAIMS SETTLEMENT COSTS AND OTHER. During the second quarter of 1997,
the Company settled litigation and received an unfavorable binding arbitration
decision that established a need to write-down claims receivable previously
recorded by the Company. These actions together with a thorough analysis by
management of other claims, litigation and the related receivables and a
decision by management to establish reserves for the consolidation of certain
laboratory and operational functions resulted in the Company recording a
$22,726,000 (net of $15,151,000 income tax benefit), charge during the second
quarter of 1997.

The following discussion details the various elements of the charge:

         SEPARATION AND RECOVERY SYSTEMS, INC. ("SRS"). In June 1997, the
Company received an unfavorable binding arbitration decision in a dispute
between the Company and SRS. SRS's subcontract with the Company to provide
thermal desorption treatment services at the Hilton Davis chemical site in
Cincinnati, Ohio was terminated by the Company in the second quarter of 1996 due
to failure to perform. The Company subsequently attempted to perform the
treatment process with the SRS equipment and was unsuccessful. The inability of
SRS to perform caused the Company to incur significant expense to complete the
required treatment process. The Company's total claim in arbitration against SRS
for the resulting expense of failed performance was $18,500,000 and included
deferred cost of $9,814,000 recorded by the Company as a receivable from SRS. In
addition to not collecting the receivable, the arbitration decision required the
Company to pay SRS $2,400,000 in damages for their counterclaim for wrongful
termination. The Company also established a loss reserve of $2,800,000 to
complete the treatment effort required as a result of the above. Prior to the
arbitration decision the Company had concluded that it was not probable that a
loss had occurred based on the opinion of counsel, consequently the write-off
was taken in the same period that the decision was rendered.

         CITGO PETROLEUM CORPORATION ("CITGO"). In June 1997, the Company
settled litigation with Citgo and Occidental Oil & Gas (Oxy) relating to a
project which was performed by the Company for Citgo at its Lake Charles,
Louisiana refinery in 1993 and 1994. This litigation resulted from the Company
filing a request for equitable adjustment in April 1994 based on deficient
project specifications provided by Citgo, the subsequent lawsuit filed by Citgo
in April 1994 and the counterclaims filed by the Company in July 1994. In 1995
Citgo and the Company brought separate actions against Oxy as a third party with
previous involvement at the site. Extensive discovery by all parties prior to a
scheduled trial in 1997 led to settlement discussions in the second quarter of
1997. Under the terms of the settlement with Citgo and Oxy, the Company received
a cash payment of $14,346,000 against outstanding receivables of $22,609,000
resulting in a write-off of accounts receivable of $8,263,000. Prior to
accepting the settlement offer, the Company had concluded that it was not
probable that a loss had occurred based on the opinion of legal counsel that
there existed a reasonable basis to support the Company's claim in litigation.
The settlement and resulting write down of accounts receivable occurred after
management completed its assessment of the litigation, the determination of the
maximum amount of settlement that could be obtained and its review of the
disadvantages of continuing litigation which would divert the attention of
company management and resources.

         OTHER LITIGATION AND ACCOUNTS RECEIVABLE. In addition to the
aforementioned disputes, the Company made a decision to resolve other
significant legal matters involving outstanding accounts receivable. In June
1997, the Company settled outstanding litigation with B&V Construction, Inc.
("B&V") for $1,550,000 pertaining to a dispute involving subcontracted services
at a General Motors project in Flint, Michigan during late 1994. Payment to B&V
was made in July 1997. Accounts receivable involving disputes primarily related
to two additional contracts were also written down to facilitate settlement.
These decisions resulted from management's analysis of the unfavorable SRS
arbitration decision and the protracted Citgo litigation and subsequent
settlement and concluded that the risk associated with continued pursuit of
legal remedies was not acceptable and the further diversion of management's
attention to effect favorable outcomes was not appropriate. Prior to that time,
the Company had concluded that it was not probable that a loss had occurred
based on the opinion of counsel.

                                       11
   15

         LITIGATION COSTS. As a result of the above discussed legal matters and
the significant expense of resolving such matters, the Company has accrued
$2,100,000 for the expenses of the litigation such as attorney's fees. This
accrual includes costs associated with those matters included in the special
charge discussed above including those that expect to be settled. The Company
concluded that due to the timing of the settlements discussed above, the related
expense of settlement should also be accrued.

         REGION REORGANIZATION LABORATORY CLOSURE & SEVERANCE. In May 1997,
management of the Company made a decision to consolidate certain regional
operations, close certain offices and cease commercial laboratory operations.
These decisions were made as a part of a comprehensive plan completed in the
second quarter of 1997 to restructure operations of the company. Thus, resulting
expense was recognized as a special charge at that time. Employees of the
Company were notified of the reduction in force at that time and substantially
all of the reserve requiring a cash settlement was paid prior to the end of
1997. The components of this special charge were:

         Cash items:                                       (In Thousands)
              Severance                                         $1,500
              Lease termination and facility closure             1,139
              Other                                                388
                                                                ------
                    Subtotal                                     3,027
         Non cash items:
              Fixed Assets                                         773
                                                                ------
                    Total                                       $3,800
                                                                ======

         The following table summarizes the detailed components of the charge:



                                                                       (In Thousands)
                                                                               Tax                  Net
                                                       Charge                Benefit               Loss
                                                       ------                -------               ----
                                                                                             
SRS Settlement and Project Loss Accrual                $15,014              $ 6,006               $ 9,008
Citgo Settlement (Net of $14.3 million)                  8,263                3,305                 4,958
Other Litigation and Accounts Receivable                 8,700                3,480                 5,220
Litigation Costs                                         2,100                  840                 1,260
Region Reorganization & Other                            3,800                1,520                 2,280
                                                       -------              -------               -------
Total Claims Settlement & Other                        $37,877              $15,151               $22,726
                                                       =======              =======               =======



         PROVISIONS FOR BAD DEBTS. The Company's provision for bad debts,
excluding items recorded as a part of the claims settlement costs, was $700,000
and $3,485,000 for the nine months ended September 30, 1997 and 1996,
respectively. The provision was higher in 1996 primarily due to settlement of
rate variances for government cost plus contracts. The provision for bad debts
with respect to claims settlements is discussed in Claims Settlement Costs and
Other above.


                                       12
   16



         SELLING, GENERAL AND ADMINISTRATIVE EXPENSES. Selling, general and
administrative ("SGA") expenses decreased $1,152,000 or 9% and $2,371,000 or 7%,
for the three and nine months ended September 30, 1997, respectively, when
compared to the same periods in 1996. SGA expense as a percentage of revenue was
8% for the three months ended September 30, 1997 and 1996 and 9% for the nine
months ended September 30, 1997 and 1996. SGA expense has decreased primarily as
a result of decreased revenue and reductions made to overhead expenses in light
of such decreased revenue.

         INTEREST EXPENSE. Interest expense decreased 31% and 33% during the
three and nine months ended September 30, 1997, respectively, when compared to
the same periods in 1996. The decrease in interest expense was a result of a
decrease in the average borrowings outstanding under the Company's revolving
credit agreement during such periods in 1997 when compared to the same periods
in 1996.

         WRITE DOWN OF INVESTMENT IN NSC CORPORATION. During the second quarter
of 1997, the Company wrote down its investment in NSC to the expected net
realizable value based on its plans to sell its 40% share of NSC. As a result,
the Company recorded a $12,089,000 (net of $2,860,000 income tax benefit) charge
to earnings. The Company accounts for the investment in 40% of the outstanding
stock of NSC Corporation on the equity method. Although NSC's stock had traded
below the per share carrying value of the recorded investment for some time
prior to June 1997, the Company believed this decline was temporary because NSC
had continued to report net income, positive cash flow from operations, and
continued to pay dividends. In the second quarter of 1997, the Company made the
decision to sell its investment in NSC. The company concluded in the second
quarter of 1997 that as a result of its decision to sell its investment in NSC,
it should record an impairment loss. This loss was calculated to be $14.9
million before tax which represents the difference between the Company's
carrying amount of its investment per share ($5.83) and the fair market value
per share of NSC's stock on the day that the Company decided to sell ($2.10)
times the 4,010,000 shares held by the Company.

         EQUITY IN NET EARNINGS OF AFFILIATE. The Company's equity interest in
NSC's net earnings (loss) decreased $1,035,000 to $(852,000) for the three
months ended September 30, 1997, from $183,000 for the same period in 1996. The
Company's equity interest in NSC's net earnings (loss) decreased $1,299,000 to
$(667,000) for the nine months ended September 30, 1997, from $632,000 for the
same period in 1996. Such decreases were primarily the result of losses on
certain contracts at NSC and decreased revenues in its Olshan demolition
business.

         NET INCOME (LOSS). Net income for the three months ended September 30,
1997 was $4,062,000 or $0.15 per share compared to $3,996,000 or $0.15 per share
for the same period in 1996. For the nine months ended September 30, 1997, net
loss was $(26,109,000) or $(0.96) per share compared to net income of $7,705,000
or $0.29 per share for the same period in 1996. Such losses were a result of the
aforementioned charges recorded during the second quarter of 1997. Without such
charges, net income would have been $8,706,000 or $0.32 per share, for the nine
months ended September 30, 1997.

         The effective income tax rate was 42% and 34% for the three months
ended September 30, 1997 and 1996, respectively. For the nine month period
ending September 30, 1997 and 1996, the effective income tax rate was 32% and
34%, respectively. See "Note 4 to the Consolidated Financial Statements" for a
reconciliation of the statutory federal income tax rate to the effective income
tax rate.

LIQUIDITY AND CAPITAL RESOURCES

         On May 31, 1995, the Company entered into a $150,000,000 revolving
credit agreement with a group of banks (the "Bank Group") to provide letters of
credit and cash borrowings. The agreement has a five year term and is scheduled
to expire on May 30, 2000. Waste Management, Inc. ("WMX") has issued a guarantee
of up to $62,000,000 outstanding under the credit agreement in favor of the Bank
Group. Under the terms of the agreement the entire credit facility can be used
for either cash borrowings or letters of credit. Cash borrowings bear interest
at either the prime rate plus a percentage up to 0.625% or, at the Company's
option, the Eurodollar market rate plus a percentage ranging from 0.325% to
1.625%. The percentage over the prime rate or the Eurodollar market rate is
based on the aggregate amount borrowed under the facility, the presence of the
guarantee, and the Company's financial performance as measured by an interest
coverage ratio and a total funded debt ratio. The agreement provides the
participating banks with a security interest in the Company's equipment,
inventories, accounts receivable, general intangibles and in the Company's
investment in the common stock of NSC as well as the Company's other
subsidiaries. The agreement also imposes, among other covenants, a minimum
tangible net worth covenant, a restriction on all of the Company's retained
earnings including the declaration and payment of cash dividends and a
restriction on the ratio of total funded debt to earnings before income taxes,
depreciation and amortization. There were no amounts outstanding for cash
borrowing under the revolving credit facility at September 30, 1997 or December
31, 1996. Aggregate letters of credit outstanding at September 30, 1997 and
December 31, 1996 were $14,108,000 and $12,223,000, respectively.

         Capital expenditures for the nine months ended September 30, 1997 and
1996, were $14,547,000 and $15,263,000, respectively. The Company's capital
expenditures are primarily related to the installation of computer systems and
related equipment, the purchase of heavy equipment and the fabrication of custom
equipment by the Company for the execution of remediation projects. Capital
expenditures for the entire fiscal year 1997 are expected to range between
$18,000,000 and 

                                       13
   17

$22,000,000. The Company's long-term capital expenditure requirements are 
dependent upon the type and size of future remediation projects awarded to 
the Company.

         The Company believes that the government sector will continue to be its
primary source of revenue for the foreseeable future in light of its contract
backlog with federal government agencies. Revenue from government agencies
historically has required greater working capital, the major component of which
is accounts receivable, than revenue from industrial sector clients. In
addition, the Company is bidding on a number of large, long-term contract
opportunities which, if awarded to the Company, would also increase working
capital needs and capital expenditures. The Company believes it will be able to
finance its working capital needs and capital expenditures in the short term
through a combination of cash flows from operations, borrowing under its
revolving credit facility, proceeds from permitted asset sales and other
external sources.

         The Company, from time to time, evaluates potential acquisitions of
companies in the environmental remediation industry and industries related to
the core skills of the Company. The Company cannot predict whether it will be
successful in pursuing such acquisition opportunities or what the consequences
of any such acquisition would be. Future acquisitions may involve the
expenditure of significant funds and management time. Depending upon the nature,
size and timing of future acquisitions, the Company may be required to raise
additional capital through financings, including public or private equity or
debt offerings or additional bank financings. There is no assurance that such
additional financing will be available to the Company, or if available, will be
on acceptable terms.

         The Company's identified long-term capital needs consist of payments
due upon the maturity of the Company's Revolving Credit Facility in 2000 and
sinking fund payments which commenced in 1996 of 7.5% of the principal amount as
well as payments due upon maturity of its Convertible Debentures in 2006. The
Company has purchased and retired $10,736,000 of the outstanding Convertible
Debentures during 1995 and 1996, sufficient to meet its annual sinking fund
obligations through October 1, 1997, as well as a portion of the sinking fund
obligation due October 1, 1998. The Company believes that it will be able to
refinance the remaining indebtedness as necessary.

ENVIRONMENTAL MATTERS AND GOVERNMENT CONTRACTING

         Although the Company believes that it generally benefits from increased
environmental regulations and from enforcement of those regulations, increased
regulation and enforcement also create significant risks for the Company. The
assessment, remediation, analysis, handling and management of hazardous
substances necessarily involve significant risks, including the possibility of
damages or injuries caused by the escape of hazardous materials into the
environment, and the possibility of fines, penalties or other regulatory action.
These risks include potentially large civil and criminal liabilities for
violations of environmental laws and regulations, and liabilities to customers
and to third parties for damages arising from performing services for clients,
which could have a material adverse effect on the Company.

         The Company does not believe there are currently any material
environmental liabilities which should be recorded or disclosed in its financial
statements. The Company anticipates that its compliance with various laws and
regulations relating to the protection of the environment will not have a
material effect on its capital expenditures, future earnings or competitive
position.

         Because of its dependence on government contracts, the Company also
faces the risks associated with such contracting, which could include civil and
criminal fines and penalties. As a result of its government contracting
business, the Company has been, is, and may in the future be subject to audits
and investigations by government agencies. The fines and penalties which could
result from noncompliance with the Company's government contracts or appropriate
standards and regulations, or the Company's suspension or debarment from future
government contracting, could have a material adverse effect on the Company's
business.

FORWARD-LOOKING STATEMENTS

         All statements, other than statements of historical facts, included in
this Form 10-Q that address activities, events or developments that the Company
expects, believes or anticipates will or may occur in the future, including such
matters as future capital expenditures, including the amount and nature thereof,
potential acquisitions by the Company, trends affecting the Company's financial
condition or results of operations, and the Company's business and growth
strategies are forward-looking statements. Such statements are subject to a
number of risks and uncertainties, including risks and uncertainties identified
in this Form 10-Q, and in "Business -- Environmental Contractor Risks,"
"Business -- Regulation," "--Results of Operations" "--Environmental Matters and
Government Contracting," and "Note 1 to Consolidated Financial Statements" of
the Company's Annual Report on Form 10-K for the year ended December 31, 1996,
which sections are incorporated herein by reference, and other general economic
and business conditions, the business opportunities (or lack thereof) that may
be presented to and pursued by the Company, changes in laws or regulations
affecting the Company's operations and other factors, many of which are beyond
the control of the Company. In addition, these risks and uncertainties include,
without limitation, (i) the potential for fluctuations in funding of backlog,
(ii) weather conditions affecting or delaying the Company's ability to perform
or complete the services required by its contracts, (iii) the Company's ability
to be awarded new contracts in its target markets or its ability to


                                       14
   18

expand existing contracts, (iv) other industry-wide market factors, including
the timing of client's planned remediation activities and (v) interpretation or
enforcement by federal, state or local regulators of existing environmental
regulations. Also, there is always risk and uncertainty in pursuing and
defending litigation, arbitration proceedings and claims in the course of the
Company?s business. All of these risks and uncertainties could cause actual
results to differ materially from those assumed in the forward-looking
statements. These forward-looking statements reflect management's analysis,
judgment, belief or expectation only as of the date of this Form 10-Q. The
Company undertakes no obligations to publicly revise these forward-looking
statements to reflect events or circumstances that arise after the date hereof.
In addition to the disclosure contained herein, readers should carefully review
risks and uncertainties contained in other documents the Company files or has
filed from time to time with the Securities and Exchange Commission pursuant to
the Securities and Exchange Act of 1934, including, without limitation, the
Company's Annual Report on Form 10-K for the year ended December 31, 1996.


                                       15
   19



                          PART II -- OTHER INFORMATION

Item 1.  Legal Proceedings

See Note 6 to Consolidated Financial Statements for a discussion of legal
proceedings.

Item 6.  Exhibits and Reports on Form 8-K

         (a)       Exhibits

                  11       Statement Re Computation of Per Share Earnings
                  27       Financial Data Schedule

         (b)       Reports on Form 8-K

                  On July 2, 1997, the Company filed a Current Report on Form
                  8-K in connection with the acquisition of all of the issued
                  and outstanding capital stock of Beneco Enterprises, Inc., a
                  Utah corporation ("Beneco").

                  On August 22, 1997, the Company filed an amendment to the
                  Current Report on Form 8-K, dated July 2, 1997.



                                       16
   20



                                   SIGNATURES

    Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.


                                    OHM CORPORATION


Date: May 8, 1998                  By /s/ ANTHONY J. DELUCA
                                      -------------------------------
                                      Anthony J. DeLuca
                                      Chief Executive Officer
                                      and President
                                      (Duly Authorized Officer)



Date: May 8, 1998                  By /s/ PHILIP O. STRAWBRIDGE
                                      -------------------------------
                                      Philip O. Strawbridge
                                      Vice President and Chief Financial and
                                      Administrative Officer
                                      (Principal Financial Officer)



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