<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED CONSOLIDATED BALANCE SHEET AND THE UNAUDITED CONSOLIDATED STATEMENTS
OF INCOME AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<CIK> 0000788964
<NAME> OHM CORPORATION
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1994
<PERIOD-START>                             JAN-01-1994
<PERIOD-END>                               DEC-31-1994
<CASH>                                           4,930
<SECURITIES>                                         0
<RECEIVABLES>                                  178,123
<ALLOWANCES>                                    26,063
<INVENTORY>                                     10,099
<CURRENT-ASSETS>                               181,330
<PP&E>                                          95,896
<DEPRECIATION>                                  38,656
<TOTAL-ASSETS>                                 272,546
<CURRENT-LIABILITIES>                           64,866
<BONDS>                                              0
<COMMON>                                         1,584
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                      77,892
<TOTAL-LIABILITY-AND-EQUITY>                   272,546
<SALES>                                              0
<TOTAL-REVENUES>                               323,381
<CGS>                                                0
<TOTAL-COSTS>                                  328,440
<OTHER-EXPENSES>                                   162
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               9,177
<INCOME-PRETAX>                               (14,074)
<INCOME-TAX>                                   (6,458)
<INCOME-CONTINUING>                            (7,616)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (7,616)
<EPS-PRIMARY>                                   (0.49)
<EPS-DILUTED>                                   (0.49)