1



                                                               EXHIBIT 10(A)
                                                               -------------


                              PARTNERSHIP AGREEMENT
                              ---------------------


THIS AGREEMENT (the "Agreement") is entered into and effective as of this 23rd
day of August, 1996, by and between 1997 CHLORALKALI VENTURE INC. (hereinafter
"1997 CVI"), an Alabama corporation, wholly-owned by The Geon Company
(hereinafter "GEON"), and OLIN SUNBELT, INC. (hereinafter "OSI"), a Delaware
corporation, wholly-owned by Olin Corporation (hereinafter "Olin") for the
purpose of forming a general partnership.

                              W I T N E S S E T H:
                              --------------------

WHEREAS, Geon has a requirement for chlorine for use in its production of Vinyl
Chloride Monomer ("VCM") at LaPorte, Texas; and

WHEREAS, Olin has a chlorine production facility ("Olin Plant") located on land
owned by Olin in McIntosh, Alabama ("Olin Plant Site") and OSI and 1997 CVI wish
to construct additional chlorine production facilities at the Olin Plant Site
for the purpose of supplying a portion of Geon's requirements for chlorine; and

WHEREAS, OSI and 1997 CVI desire to form a general partnership for the above
purpose; and

WHEREAS, these and other objectives will be accomplished through this Agreement
and other agreements between OSI, Olin, 1997 CVI, Geon and/or the Partnership
signed concurrent with this Agreement ("Ancillary Agreements") including, but
expressly not limited to, the following:

                        Engineering, Procurement, and Construction Agreement
                        Operating Agreement
                        Chlorine Sales Agreement
                        Real Estate Lease Agreement

NOW, THEREFORE, in consideration of the mutual rights and obligations set forth
herein, the parties agree as follows:

                                    ARTICLE I
                                 THE PARTNERSHIP
                                 ---------------

1.01   FORMATION OF THE PARTNERSHIP

       (a)   1997 CVI and OSI (hereinafter "Partners") hereby form a general
             partnership (hereinafter "Partnership") pursuant to the provisions
             of the Delaware Uniform Partnership Act (the "Act") solely for the
             purpose of carrying on the business of operating and maintaining
             facilities to be constructed by or on behalf of the Partnership at
             the Olin Plant Site ("Facilities") for the initial production of
             approximately Two Hundred and Fifty Thousand (250,000) ECUs (1.0
             tons chlorine plus approximately 1.1 ton caustic soda equal 1.0
             ECUs) of chlorine and caustic soda per annum; and for the sale and
             distribution of chlorine and caustic soda; and for the licensing of
             all patents or technology owned now or in the future by the
             Partnership.

       (b)   The Partners have executed contemporaneously with the execution of
             this Agreement the assumed name certificate required under Delaware
             law, which shall be filed with the Delaware Secretary of State and
             as necessary in those states and counties in which the Partnership
             conducts business. The Partners also agree to execute and deliver
             such additional documents and perform such additional acts
             consistent with the terms of this Agreement as may be necessary to
             comply with the requirements of law for the formation,
             qualification, and operation of the general partnership in each
             jurisdiction in which the Partnership shall conduct business.




   2




1.02   NAME
       The Partnership shall be operated under the name of Sunbelt Chlor Alkali
       Partnership.

1.03   PRINCIPAL PLACE OF BUSINESS OF THE PARTNERSHIP
       The principal place of business of the Partnership shall be located at
       the Facilities.

1.04   PARTNERSHIP INTERESTS

       (a)   Each Partner shall own a fifty percent (50%) interest in the 
             Partnership.

       (b)   Each Partner shall have the right of access at all reasonable times
             to all facilities and property owned or leased by the Partnership,
             subject to reasonable health, safety, or security restrictions as
             designated by the Operator and/or the Partnership.

1.05   DURATION OF PARTNERSHIP
       The Partnership shall commence as of the effective date of this Agreement
       and shall continue in full force and effect until terminated or dissolved
       as set forth in Article 7 herein.

1.06   LEASE OF PROPERTY
       For the purpose of constructing and operating the Facilities, the
       Partnership shall lease from Olin a parcel of real estate at the Olin
       Plant Site pursuant to the terms and conditions of the Real Estate Lease
       Agreement, in the form attached hereto.

1.07   CONSTRUCTION OF FACILITIES
       The Partnership shall enter into an Engineering, Procurement, and
       Construction Agreement with Olin for construction of the Facilities, in
       the form attached hereto.

1.08   RECONSTRUCTION OF FACILITIES
       In the event of substantial damage to or total destruction of the
       Facilities, the Partnership will determine whether or not to rebuild. In
       the event the Partnership elects to rebuild, the Partnership will
       reconstruct the Facilities as promptly as possible on the basis agreed to
       by the Management Committee. In the event the Partnership elects not to
       rebuild, then the Real Estate Lease Agreement will terminate and the
       Partnership will comply with its obligations arising thereunder.

1.09   OPERATING AGREEMENT
       The Partnership shall enter into an Operating Agreement with Olin for the
       operation of the Facility, in the form attached hereto.

1.10   CHLORINE SALES AGREEMENT
       The Partnership shall enter into a Chlorine Sales Agreement with Geon, in
       the form attached hereto.

1.11   EXPANSION
       (a)In the event that either Partner desires for the Facility to be
          expanded, the Partner shall propose such expansion to the Management
          Committee. If the Management Committee and the boards of each of the
          Partners (to the extent required or deemed by a party necessary or
          desirable) approves such expansion, it shall be undertaken by the
          Partnership, with all capital requirements of the Partnership
          contributed by the Partners in accordance with Section 2.02(a) hereof.

       (b)If the Management Committee determines not to have the Partnership
          fund the expansion, then the Partner proposing such expansion may
          advance the funds on the Partnership's behalf for the capital costs
          associated with the expansion, which advances shall be credited to the
          Partner's capital account. Distributions of Operating Income/Loss (as
          defined below) to be made under Section 2.05(a) hereof shall be
          adjusted based on the ratio (the "Adjustment Ratio") of (i) the
          Partner's funded share of the Nominal Capacity of the Facilities
          (determined as provided under the Operating Agreement) after
          expansion, to 



                                       -2-
   3



          (ii) the total Nominal Capacity of the Facilities after expansion. The
          Adjustment Ratio shall be applicable only for distributions from
          Operating Income/Loss and capital account allocations, as provided in
          Sections 2.05 and 2.09 respectively; all other rights, liabilities,
          costs, expenses, obligations, distributions and allocations of the
          Partnership and the Partners under this Partnership Agreement shall
          remain unchanged from the ownership interests set forth in Section
          1.04(a) hereof. "Operating Income/Loss" means Gross Margin (as defined
          below) derived from manufacturing operations reduced by operating
          expenses, such as but not limited to, selling expenses, administrative
          expenses, research expenses, interest expense and any applicable
          taxes. "Gross Margin" means net sales minus cost of goods sold. All
          other items of income/loss or expenses are classified as non-operating
          items.

       (c)The Management Committee will be responsible for advising the Tax
          Matters Partner of the application of Section 1.11(b) and the
          Adjustment Ratio which will apply to each Partner. Advice will be
          supplied by the last working day in January for the immediately
          preceding year.

       (d)In the event of an expansion pursuant to subsection (b) above, the
          non-funding Partner's purchase or marketing obligations with respect
          to chlorine and caustic under the Ancillary Agreements shall not be
          applicable to the additional chlorine and caustic generated; provided
          however, such non-funding Partner's other obligations, if any, under
          the Ancillary Agreements shall remain unchanged. In addition, no
          expansion beyond 400,000 ECU's annually shall be permitted unless the
          Management Committee approves such expansion to be undertaken by the
          Partnership pursuant to subsection (a) above.

                                    ARTICLE 2
                     FINANCES, ACCOUNTING AND DISTRIBUTIONS
                     --------------------------------------

2.01   CAPITAL ACCOUNTS
       A Partnership capital account shall be established and maintained for
       each Partner in accordance with Treasury Regulations ss.
       1.704-1(b)(2)(iv). The capital account of each Partner shall be credited
       with the amount of cash and the asset value of any property, whether
       solely or jointly owned, contributed to the Partnership by such Partner
       and with any income and gain allocated to such Partner pursuant to this
       Agreement, and be debited with the amount of cash and the asset value of
       any property, whether solely or jointly owned, distributed to such
       Partner by the Partnership and with any deductions and losses allocated
       to such Partner pursuant to this Agreement.

2.02   CAPITAL CONTRIBUTIONS

       (a)Each Partner shall be responsible for furnishing all capital required
          by the Partnership to meet its obligations under the Ancillary
          Agreements, as well as any additional Partnership capital requirements
          approved by the Management Committee in proportion to its ownership
          interest as set forth in Section 1.04(a) hereof.

       (b)The initial total capitalization of the Partnership shall be One
          Thousand Dollars ($1,000), which amount shall be fully paid in at the
          time of formation.

       (c)The Management Committee (as defined in Article 3) may determine from
          time to time that additional capital is required in the interests of
          the Partnership and that the capital of the Partnership should be
          increased. If so, such Committee shall determine the amounts and
          timing of additional Partnership capital contributions.

       (d)No interest shall be paid by the Partnership on any capital
          contribution to the Partnership. Neither Partner shall have the right
          to receive or request the return of its capital contributions during
          the term of the Partnership.




                                       -3-
   4



2.03   BORROWINGS
       The amount, form, and cost of Partnership borrowings, if any, and the
       sharing of such costs between the Partners shall be agreed to by the
       Management Committee before such borrowings are undertaken.

2.04   PATENTS

       (a)As agreed by the Management Committee, each Partner and their
          affiliates, I.E. any entity controlled by, in control of, or common
          control with, a Partner (a "Partner Affiliate") shall grant to the
          Partnership for as long as the Facilities continue to operate, without
          charge, the nonexclusive and nonassignable license to use any patent
          or technology owned by such Partner or Partner Affiliate reasonably
          necessary for operation of the Facilities for use in making chlorine
          and caustic soda by or on behalf of the Partnership. The value of any
          licenses granted by a Partner (or a related Partner Affiliate) to the
          Partnership shall not be credited to the capital account of the
          contributing Partner.

       (b)As agreed by the Management Committee, any patent or technology
          license reasonably necessary for the operation of the Facilities for
          use in making chlorine and caustic soda by or on behalf of the
          Partnership, a license for which is held by, or is freely acquirable
          by, either Partner (or a related Partner Affiliate) from a third party
          shall be sublicensed to the Partnership on a nonexclusive and
          nonassignable basis for as long as the Facilities continue to operate;
          provided the license with the third party permits such a sublicense.
          The Partnership shall reimburse the contributing Partner for any
          license fees paid or payable by such Partner (or the related Partner
          Affiliate) and attributable to sublicensing and the exercise of
          sublicensed rights by the Partnership. The value of any sublicenses by
          the Partners (or a related Partner Affiliate) to the Partnership shall
          not be credited to the capital account of the contributing Partner.

       (c)Technology and patents owned by the Partnership may, if practical, be
          marketed or licensed by the Partnership under the terms agreed to by
          the Management Committee. All revenue or proceeds earned by the
          Partnership in marketing or licensing such technology or patents shall
          be revenue to the Partnership divided between the then current
          Partners in proportion to their ownership interests as set forth in
          Section 1.04(a) herein.

       (d)The Partnership shall also grant each Partner, without charge, a
          nonexclusive and nonassignable license to use solely for their
          internal use any patent or technology owned by the Partnership. This
          right to use can be extended by either Partner to any corporation,
          partnership or venture forty percent (40%) or more of whose equity
          interest is owned, or directly or indirectly controlled by such
          Partner. Should a Partner cease to be a partner in the Partnership,
          all rights under this subparagraph (d) shall be subject to a
          commercially reasonable royalty determined by good faith negotiation
          and failing agreement, all such rights will cease.

       (e)The Partnership shall cause inventors to assign to the Partnership
          their interest in inventions created on behalf of the Partnership, and
          the Partnership shall have the right to file applications for patents
          in all countries on all inventions owned by the Partnership.
          "Inventions created on behalf of the Partnership" shall mean
          inventions created (i) during the course of their employment, by
          employees of the Partnership, or by employees of either Partner who
          have been assigned by such Partner to work on Partnership matters on a
          full-time basis, or (ii) by employees of either Partner, or other
          persons, who create such invention in the course of performing
          research services for the Partnership pursuant to a written agreement.
          If the Partnership does not file an application on a certain
          invention, a Partner who timely expressed a desire to file may do so
          at its own expense and the Partnership will assist the Partner in
          filing the application and shall assign the application to that
          Partner. Any patent(s) issuing from such an application shall belong
          to said Partner, with the Partnership having a nonexclusive,
          royalty-free license thereunder to practice under the patent in its
          own operations.

       (f)Except as provided in paragraphs (c) and (d) of this Section, no
          license or sublicense granted pursuant to this Article shall operate
          to provide the licensee or sublicensee with any right to grant any
          sublicense.



                                       -4-
   5


       2.05       DISTRIBUTIONS

       (a)Distributions of Operating Income/Loss of the Partnership shall be
          made to the Partners in proportion to their ownership interests in the
          Partnership set forth in Section 1.04(a), adjusted as set forth in
          Section 1.11(b), if applicable. Distributions of non-operating income,
          losses and gains shall be made in accordance with the ownership
          interests set forth in Section 1.04(a) herein, and shall not be
          subject to adjustment as set forth in Section 1.11(b).

       (b)The Management Committee shall determine generally on a quarterly
          basis (i) the estimated cash flow of the Partnership, and (ii) the
          amount required for reasonably foreseeable cash needs of the
          Partnership. The Partnership shall thereafter distribute, subject to
          any restrictions in agreements for borrowed money, the difference
          between Cash Flow and the amount determined in clause (ii), to each
          Partner in the manner set forth in Section 2.05(a) above. "Cash Flow"
          shall be calculated as set forth in Exhibit A. Upon determining the
          distribution amount, the Partnership will make distributions within
          five (5) business days by ACH, or such other method as the Partners
          may agree.

       (c)Any proceeds arising from the sale of Partnership capital assets,
          other than upon dissolution, which the Management Committee determines
          the Partnership should distribute to the Partners, shall be
          distributed to the Partners in proportion to their ownership interests
          set forth in Section 1.04(a) hereof. A Partner's interest in the
          Partnership shall not be considered a Partnership asset for purposes
          of this provision.

       (d)Any modification to the Olin Plant or Olin Plant Site, the title to
          which is to vest with Olin as provided in the Engineering, Procurement
          and Construction Agreement, shall be distributed in kind at completion
          of construction to OSI at the full cost incurred by the Partnership to
          construct the modification. OSI's capital account for the Partnership
          shall be adjusted accordingly (typically by reduction). Such costs
          shall not be included in any service fee or asset base computation
          charged by Olin to the Partnership.

2.06   BANKING
       The Partnership shall maintain such Partnership bank account or accounts
       as shall be deemed necessary by the Management Committee.

2.07   TAXES
       It is intended and agreed that this Partnership shall constitute a
       "partnership" as defined in Section 761 of the Internal Revenue Code for
       Federal income tax purposes, and shall be subject to all the provisions
       of Subchapter K of Chapter 1 of Subtitle A of the Code. The Management
       Committee shall make timely elections with respect to tax matters
       including, but not limited to, the following elections unless otherwise
       agreed by the Management Committee: (1) to compute the Partnership's
       taxable income under the accrual method of accounting; (2) to expense
       research and development currently; and (3) to use the most accelerated
       method of depreciation available.

2.08   TAX RETURNS
       The Partnership shall prepare, or cause to be prepared, all necessary
       Federal, State, and Local income and other tax or information returns of
       the Partnership, together with Schedule K-1 to Internal Revenue Service
       Form 1065 (or similar successor schedule or form), showing any amount and
       items of Partnership income, gain, loss, deduction, or credit allocated
       to such Partner, copies of all of which shall be provided to each
       Partner. Such returns shall be prepared and filed by the due date
       required by the respective taxing authority. The returns shall be
       approved by the Management Committee prior to the filing thereof with the
       Internal Revenue Service and with the appropriate State and local taxing
       authorities. OSI will be designated the Tax Matters Partner for the
       purpose of the Partnership and shall be responsible for preparing and
       filing the necessary tax returns for the Partnership.






                                       -5-
   6



2.09   ALLOCATIONS
       Not less than annually, each Partner's share of Partnership income, gain,
       loss, deduction, or credit shall be allocated to the Partners in
       proportion to their ownership interest as set forth in Section 1.04(a),
       provided that allocations of Operating Income/Loss, and related items of
       credit, deduction or expense shall be adjusted as provided in Section
       1.11(b), if applicable.

2.10   ACCOUNTING
       The Partnership shall cause to be maintained full and accurate
       Partnership books of account on the accrual basis of accounting in
       accordance with generally accepted accounting principles applied on a
       basis consistent with prior periods and, except as approved by the
       Management Committee, the Partnership shall use Olin's standard plant
       accounting procedures, as such standard plant accounting procedures are
       modified by Olin from time to time. Olin shall notify the Partners of any
       material changes in such standard plant accounting procedures at least
       sixty (60) days prior to implementing such change, and in the event that
       such change will have a material effect on a Partner's consolidated
       financial statements, then such Partner may notify Olin within thirty
       (30) days of Olin's notice of the change, that such change is not
       acceptable to the Partner, in which case the change will not be
       implemented. Each Partner and its respective independent public
       accountant shall have access to, and the right to inspect, audit and
       copy, such books and all other Partnership records. Unless otherwise
       agreed by the Management Committee, Ernst & Young shall serve as the
       Partnership's certified public accountant and shall certify the annual
       financial statements of the Partnership.

2.11   ANNUAL ACCOUNTING
       The period commencing January 1 through December 31 of each calendar year
       shall be deemed the fiscal year of the Partnership for all purposes.
       Promptly after the end of each fiscal year, a full, true, and accurate
       account shall be made in writing of all of the assets and liabilities of
       the Partnership, and of all its receipts, disbursements, costs, losses,
       expenses, and gross and net income. The Management Committee shall
       establish closing dates for accounting, billing, and related purposes
       that closely correspond to the Partnership fiscal year.

2.12   PRODUCT SALES
       The output of the Facilities shall be inventoried, sold and/or disposed
       of as provided in the Ancillary Agreements.

                                    ARTICLE 3
                              MANAGEMENT COMMITTEE
                              --------------------

3.01   MANAGEMENT COMMITTEE
       The Partnership shall be managed through a Management Committee, the
       members of which shall be appointed by the Partners in the manner
       hereinafter set forth. When proceeding in the manner hereinafter set
       forth, the acts or decisions of the Management Committee shall be
       considered fully authorized joint acts or decisions of the Partners.

3.02   MEMBERSHIP OF COMMITTEE
       The number of members of the Management Committee shall be set by the
       Partners provided that the number of voting members shall be even and
       shall not be less than two (2) nor more than four (4). Each Partner shall
       have the right to appoint one-half (1/2) of the voting members of the
       Management Committee. Initially, there shall only be two (2) voting
       members of the Committee, with each Partner having the right to appoint
       one (1) voting member. Each Partner may appoint up to two (2) non-voting
       members of the Management Committee. The non-voting members shall be
       appointed as appropriate to support the Committee through technical and
       management skills. Promptly after formation of the Partnership, each
       Partner shall designate its appointments to the Management Committee and
       notify the other Partner thereof in writing.





                                       -6-
   7



3.03   DECISIONS OF MANAGEMENT COMMITTEE
       Decisions of the Management Committee shall be made by unanimous vote at
       a meeting or by unanimous written approval of a proposed resolution. In
       the event the Management Committee is unable to reach agreement regarding
       any Decision of Importance set forth in Section 4.05 hereof, then any
       voting member of the Management Committee may elect to have such dispute
       referred upward within the respective business organizations of Olin and
       Geon in a logical step-by-step manner so that, if not earlier resolved,
       such dispute reaches the level of corporate President within 120 days
       after initiation of such dispute resolution process.

3.04   APPOINTMENT AND REMOVAL OF MEMBERS
       (a)Any member of the Management Committee may be removed at any time but
          only by the Partner that appointed such member.

       (b)In the case of any vacancy created by death, resignation or removal of
          any member, the Partner that appointed such member shall endeavor to
          appoint a new member within ten (10) days of the occurrence of such
          vacancy. During the period that such vacancy exists, no action shall
          be taken by the Management Committee; provided however, that if no
          appointment is made within such ten (10) day period, the Chairman or
          the Venture Manager shall give notice to the appointing Partner, and
          if the vacancy is not filled within five (5) days after such notice,
          the Management Committee is authorized thereafter to act, regardless
          of whether the vacancy continues.

       (c)Appointments and removals made pursuant to this Section and Section
          3.02 shall be evidenced by an instrument in writing signed by the
          appointing Partner and delivered to the other Partner.

       (d)The Venture Manager shall not serve as a Management Committee voting
          member during his tenure as Venture Manager.

3.05   CHAIRMAN
       A Chairman, and in his absence a substitute voting member appointed by
       such Chairman, shall preside over meetings of the Management Committee.
       The Chairman shall be one of the voting members of the Committee. From
       the effective date of this Agreement through the end of the calendar year
       following twelve (12) months after Full Start-Up of the Facilities (as
       defined in the Operating Agreement), the Chairman shall be appointed by
       1997 CVI. Thereafter, the Partners shall alternate appointing the
       Chairman every two (2) years.

3.06   SUBSTITUTE VOTING MEMBER
       A voting member may appoint another member to act as a substitute voting
       member for the Partner at any meeting of the Management Committee
       provided there is tendered at or before such meeting a written proxy with
       such authority signed by the voting member.

3.07   SECRETARY
       The Chairman shall appoint a secretary who shall keep and transmit to the
       Venture Manager and all members of the Management Committee minutes of
       every Management Committee meeting and all resolutions adopted by the
       Management Committee.

3.08   MINUTES
       The decisions and resolutions of each meeting shall be reported in
       minutes, which shall state the date and place of the meeting, the members
       present and the Partners they represent, the resolutions put to a vote,
       and the result of the voting. The minutes shall be submitted to the
       members for approval promptly after the meeting. Once approved, they
       shall be signed by each of the voting members and entered in a minute
       book kept at the location of the current Venture Manager, who shall
       provide copies to each of the voting members of the Management Committee.




                                       -7-
   8



3.09   PLACE AND TIME OF MEETINGS
       Meetings of the Management Committee shall be held at the Facilities or
       at such other place as may, from time to time, be fixed by resolution of
       the Management Committee. Regular meetings of the Management Committee
       may be held at such times as shall be determined by resolution of the
       Management Committee and no notice of such meetings need be given. Any
       business that properly may be transacted by the Management Committee may
       be transacted at any regular meeting thereof.

3.10   SPECIAL MEETINGS
       Special meetings of the Management Committee may be called at any time by
       any voting member of the Committee or by the Venture Manager. Notice of a
       special meeting stating the time, place, and purpose or proposed purpose
       thereof shall be telegraphed or telecopied to each member at his usual
       place of business, or be received by mail or personally or by telephone,
       not later than three (3) days before the day of such meeting. Any
       Management Committee member waives notice of a special meeting by his
       presence at such meeting, and if all voting members are present, such
       meeting shall be valid despite inadequate notice. Unless otherwise agreed
       by all of the voting members present at a special meeting, the business
       to be transacted at any special meeting shall be limited to that stated
       in the notice.

3.11   QUORUM; MANNER OF MEETING
       At every meeting of the Management Committee, the presence of each
       Partner's voting member(s) or a duly designated substitute shall be
       necessary to constitute a quorum and to transact Partnership business.
       Absent exigent circumstances, the Management Committee members shall
       attend regular or special meetings in person, however, participation by
       telephone or video conferencing shall also be permitted.

3.12   RESOLUTIONS
       In lieu of convening a meeting, a voting member may request in writing
       that the other voting member(s) approve in writing a proposed resolution.
       In such event, the voting member requesting approval of the resolution
       shall mail to the other voting member(s) two (2) signed copies of the
       resolution and an explanation of the reasons for adoption thereof. If the
       other voting member(s) agree with the resolution, they shall sign and
       forward executed copies to the other voting member(s) for signature. Once
       fully executed (which may be by counterparts), the executed resolutions
       shall be furnished to the Secretary of the Management Committee for
       filing in the minute book, with a photocopy to the Venture Manager. If
       such execution is not made within thirty (30) days of the mailing of the
       proposed resolution, then it shall be deemed to have been rejected.

3.13   COMPENSATION
       Members of the Management Committee shall not be entitled to compensation
       from the Partnership for their services or reimbursement for their
       expenses. Notwithstanding the above, the Venture Manager's compensation
       and expenses related to the Partnership shall be a Partnership expense.

                                    ARTICLE 4
                          OPERATOR AND VENTURE MANAGER
                          ----------------------------

4.01   OPERATOR
       Olin is designated the Operator of the Facilities and shall have the
       rights and obligations set forth in the Operating Agreement.

4.02   VENTURE MANAGER
       (a)The Management Committee shall appoint a Venture Manager who, unless
          otherwise agreed, will be an employee of one of the Partners. The
          Partner which employs the Venture Manager shall have authority over
          the transfer, retention, and career development of the Venture
          Manager; provided, however, that said Partner shall use reasonable
          efforts to retain any such employee appointed as Venture Manager for a
          minimum of two (2) years. The Partnership shall reimburse the Partner
          providing the Venture Manager for the salary, benefits, incentive
          compensation and other expenses incurred in making the Venture 


                                       -8-
   9




          Manager available, all of which shall be agreed upon by the Management
          Committee prior to the Venture Manager's appointment. The initial
          Venture Manager will be an employee of OSI or Olin.

       (b)The Venture Manager shall be appointed for a term co-terminus with the
          term of the Chairman of the Management Committee provided in Section
          3.05 (I.E. the initial term shall run through the end of the calendar
          year following twelve months after Full Start-Up of the Facilities (as
          defined in the Operating Agreement), and thereafter for two-year
          terms). At the expiration of each term, the Management Committee shall
          either re-appoint the then Venture Manager for another term or appoint
          a new Venture Manager. In the event that the Management Committee
          cannot agree as to the appointment of the Venture Manager, the Partner
          which is not appointing the Chairman of the Management Committee
          pursuant to Section 3.05 hereof for the next term shall be entitled to
          select one of its employees as the new Venture Manager for the next
          term, such appointment to be reasonably acceptable to the
          non-selecting Partner.

4.03     RESPONSIBILITY OF THE VENTURE MANAGER
         The Venture Manager shall keep the Management Committee informed of the
         business of the Partnership on a regular basis.

4.04     AUTHORITY OF VENTURE MANAGER
         The day-to-day operating management authority for the Partnership and
         the Facilities, including the following, are hereby delegated to the
         Venture Manager:

         (a) Managing the Partnership's relationship with Olin under the
             Engineering, Procurement and Construction Agreement.

         (b) Managing the Partnership's relationship with the Operator and
             coordinating with the Operator with respect to supervision of all
             of the manufacturing operations of the Facilities.

         (c) Utilizing and coordinating with personnel of the Operator to handle
             all environmental, safety and health, tax, labor, legal, financial,
             and general administrative matters pertaining to the Partnership.

         (d) Maintaining books and records for the Partnership.

         (e) Preparing and proposing to the Management Committee annual
             operating and capital budgets.

         (f) Commencing the defense of any claims or lawsuits to avoid defaults
             or penalties for the Partnership provided the Management Committee
             is notified of the action taken promptly after the commencement of
             such defense. Thereafter, the Management Committee shall have
             authority thereover.

         (g) Coordinating the marketing, sale and distribution of products of
             the Facilities.

         (h) Managing the provision of services to the Partnership pursuant to
             the Ancillary Agreements.

4.05     LIMITATIONS ON AUTHORITY OF VENTURE MANAGER
         Unless otherwise agreed to by the Management Committee, the Venture
         Manager is not delegated the following decisions ("Decisions of
         Importance"), which must be submitted to the Management Committee for
         approval prior to proceeding:

         (a) Approving annual operating and capital expenditure budgets,
             provided, however, that the existing budgets shall be extended if
             the new budgets have not yet been approved.

         (b) Authorizing expenditures in excess of the approved total annual
             operating and capital expenditure budgets.




                                       -9-
   10



         (c) Authorizing any expenditures on individual capital expenditure
             projects exceeding $250,000.

         (d) Entering into the following contracts:

             (1) purchase contracts for materials or equipment where the total
                 commitment is estimated to be in excess of $250,000 in each
                 case;

             (2) service contracts (including consultant contracts) if the total
                 commitment is estimated to be in excess of $250,000 in each
                 case;

             (3) employment contracts and/or employee benefits, if the total
                 commitment is estimated to be in excess of $250,000 in each
                 case; and

             (4) leases of real property or equipment where the commitment
                 exceeds $250,000 over the term of the lease in each case, or
                 the lease extends beyond three (3) years.

                 Provided that the Venture Manager may take such actions and
                 make expenditures of an emergency nature, or while the
                 Management Committee is unable to take action pursuant to
                 Section 3.04, if required in the Venture Manager's judgment to
                 protect life or property or maintain plant operation provided
                 that he notifies the Management Committee promptly of the
                 actions taken and such expenditures made.

         (e) Authorizing expenditures for licensing or purchasing and/or sale of
             technology and patents.

         (f) Revising specifications for various kinds, types, grades, and
             qualities of products to be produced by the Partnership.

         (g) Investing undistributed funds not immediately required for
             operations.

         (h) Determining the scope of research and development projects and
             approval of expenditures related thereto.

         (i) Settling any claim or lawsuit having a settlement value estimated
             to be in excess of $25,000. The Management Committee shall be
             promptly notified of all settlements reached and any settlement not
             approved in advance by the Management Committee shall have been
             approved by responsible legal counsel as to form and substance.

         (j) Handling, dealing with, or establishing any matter within the
             authority of the Management Committee.

         (k) Selling, transferring, leasing, or otherwise disposing of
             Partnership assets in any amount to either Partner or an affiliate
             of either Partner or in any amount exceeding $50,000 per
             transaction to any other person.

         (l) Abandoning the manufacture of any Product produced by the
             Partnership or manufacturing or selling new products or product
             lines.

         (m) Opening and closing bank accounts and designating the persons who
             have authority to make withdrawals.

         (n) Issuing any press releases on behalf of the Partnership, unless
             required by an emergency event and with prompt notice thereof to
             the Management Committee.




                                      -10-
   11



         (o) Filing Partnership tax returns.

         (p) Any other Decisions of Importance that the Management Committee
             may, from time to time, define at any general or special meeting or
             by resolution.

         (q) Waiving or changing any quality specifications for products
             produced by the Partnership or the operating rate of the
             Facilities, contained in this Agreement or other agreements between
             OSI and/or Olin, 1997 CVI and/or Geon signed contemporaneously
             herewith or otherwise adopted by the Management Committee.

         (r) Commencing any litigation or administrative proceedings.



                                      -11-
   12


4.06     INDEMNITY
         Notwithstanding anything to the contrary herein or in the Operating
         Agreement, the indemnity provisions of the Operating Agreement shall
         apply to Article 4 hereof.

                                    ARTICLE 5
                       ASSIGNMENT OF PARTNERSHIP INTEREST
                       ----------------------------------

5.01     ASSIGNMENT
         No Partner shall sell, assign, pledge, hypothecate, or in any manner
         transfer or encumber all or any part of its interest in the
         Partnership, and any attempted disposition in contravention of this
         Article 5 shall be null and void AB INITIO, except:

         (a) at any time upon written notice to the other Partner a Partner's
             interest can be assigned, sold, or otherwise transferred to a
             Partner Affiliate, provided that such assignee is not, in the case
             of an assignment by 1997 CVI, in competition with Olin's Chlor
             Alkali business and, in the case of assignment by OSI, in
             competition with Geon's PVC, VCM or EDC business, and so long as
             such assignee assumes in writing all of the rights and obligations
             of such Partner and so long as the assignor guarantees performance
             by the assignee; and

         (b) if a Partner is compelled to divest its interest by order of a
             governmental body, or at any time after the date of Full Start-Up
             of the Facilities and subject to the right of first refusal set
             forth in Section 5.02, either Partner may sell, assign or otherwise
             transfer all or part of its interest in the Partnership to any
             third party, provided that such assignee is not, in the case of an
             assignment by 1997 CVI, in competition with Olin's Chlor Alkali
             business and, in the case of assignment by OSI, in competition with
             Geon's PVC, VCM or EDC business, and provided that at the time of
             such assignment the assignee (i) has a net worth which is not less
             than that of the Assignor Entity (as defined below) on the date
             hereof, (ii) has a Moody's Bond Rating of not less than that of the
             Assignor Entity on the date hereof, and (iii) working capital and
             debt/equity ratio at least equal to that of the Assignor Entity on
             the date hereof; and provided further that the assignee assumes all
             of the rights and obligations of the assigning Partner under this
             Agreement. For purposes of the preceding sentence, "Assignor
             Entity" shall mean Geon in the case of an assignment by 1997 CVI,
             and shall mean Olin in the case of an assignment by OSI.

         (c) OSI shall be entitled to transfer its interest in the Partnership
             to any entity which purchases the Olin Plant provided that (if such
             purchase is not in connection with the acquisition of a materially
             larger portion of Olin assets) 1997 CVI shall have a right of first
             refusal to purchase the Olin Plant and the Olin interest in the
             Partnership, following the right of first refusal procedure set
             forth in Section 5.02 below.





                                      -12-
   13


5.02     RIGHT OF FIRST REFUSAL
         (a) If one Partner (hereinafter the "Assigning Partner") receives a
             bona fide offer from a third party to purchase the Assigning
             Partner's interest in the Partnership at a specified price and
             under specified terms and conditions that the Assigning Partner is
             willing to accept, then the Assigning Partner shall promptly give
             notice to the other Partner of the offer. Such notice shall be sent
             by the Assigning Partner for each and every BONA FIDE offer
             received, including any changes in the price or terms and
             conditions of previously received bona fide offers. The other
             Partner shall have the right of first refusal and privilege of
             purchasing the Assigning Partner's interest in the Partnership at
             the price offered by notifying the Assigning Partner in writing as
             soon as possible but in all events within sixty (60) days of the
             Assigning Partner's notice of the offer that it will purchase the
             Assigning Partner's interest for the amount specified in such offer
             and upon all the other terms and conditions contained in such offer
             provided that to the extent that the third party offer contains a
             term(s) which is reasonably incapable of performance by the other
             Partner, then the Partners will thereafter negotiate in good faith
             to substitute a payment obligation therefore reasonably reflecting
             the value to the Assigning Partner of said term(s). If the Partners
             are unable to arrive at such valuation within thirty (30) days
             after notice of the other Partner's exercise of its right of first
             refusal, then the Assigning Partner may proceed to sell to the
             third party without further obligation to the other partner under
             this Section.

         (b) This procedure shall also apply with respect to a proposed sale of
             the Olin Plant and the OSI interest in the Partnership, as provided
             in Section 5.01(c) above. If such proposed sale is for not just the
             Olin Plant but also Olin's interest in all or a larger portion of
             the Olin Plant Site, then the right of first refusal (and
             obligation, if the right of first refusal is exercised) shall apply
             to the total Olin Plant Site and OSI interest being sold, without
             exclusion.

5.03  RIGHT OF ASSIGNMENT WITH SHOT-GUN SALE
         Sections 5.01 and 5.02 shall not apply to an assignment by OSI or 1997
         CVI (the "Selling Partner") of its interest in the Partnership as part
         of a sale involving (i) in the case of OSI, more than the Olin Plant
         Site, or (ii) in the case of 1997 CVI, more than Geon's LaPorte Texas
         facility; provided however, that in the event of such an assignment,
         the Selling Partner shall notify the other partner (the "Remaining
         Partner") of such assignment and the Remaining Partner shall have a
         period of ninety (90) days after such notice to elect, in its
         discretion, to notify the assignee of the Selling Partner's interest
         that the Remaining Partner is triggering a Shot-Gun Sale, as set forth
         in Article 6 below.

5.04     ANCILLARY AGREEMENTS; SUPPORT SERVICES

         (a) In the event a Partner's interest is assigned or is transferred in
             a Shot-Gun Sale, in accordance herewith, OSI will cause Olin and
             1997 CVI will cause Geon to continue to honor any contractual
             commitments previously entered into by it with the Partnership to
             the extent required hereunder, or as provided in any of the
             Ancillary Agreements. If support services and/or raw materials are
             reasonably necessary from the Olin Plant to continue operation of
             the Facilities after assignment or Shot-Gun Sale, and provided such
             services and/or raw materials were previously supplied to the
             Partnership, the Partners shall negotiate in good faith a contract
             to supply such support services to the Partnership or the
             purchasing Partner, as the case may be, after such assignment or
             Shot-Gun Sale to the extent previously supplied and as allowed by
             law.

         (b) If Olin shuts down its production facilities at its Olin Plant,
             Olin shall not be required thereafter to supply support services to
             the Partnership but will offer the Partnership the opportunity to
             purchase, upon terms to be mutually agreed, the fixed assets and
             salt required by the Partnership to continue to operate the
             Facilities at its then current capacity.





                                      -13-
   14



5.05     SUBSEQUENT ASSIGNMENTS, SALES OR TRANSFERS

         In the event of any assignment, sale, or transfer under this Article 5,
         the assignee shall not subsequently sell, assign, transfer, or encumber
         its interest in the Partnership, other than as permitted in this
         Article 5.

                                    ARTICLE 6
                             SHOT GUN SALE PROCEDURE
                             -----------------------

         (a) A Partner triggering a Shot Gun Sale (the "Triggering Partner"),
             under Section 5.03, shall give a written notice to the other
             Partner (the "Receiving Partner") which notice states that it is
             triggering the Shot Gun Sale, and specifying the price, timing, and
             terms and conditions on which the Triggering Partner is offering to
             purchase the Receiving Partner's interest in the Partnership (the
             "Shot-Gun Terms"). Such offer cannot contain terms and conditions
             which are unique to and impossible of performance by anyone other
             than the Triggering Partner.

         (b) Within sixty (60) days thereafter, the Receiving Partner shall
             notify the Triggering Partner that it elects either to (i) purchase
             the Triggering Partner's interest or (ii) sell the Receiving
             Partner's interest, such purchase or sale to be on the Shot-Gun
             Terms. In the event the Receiving Partner does not notify the
             Triggering Partner within such time period, or its notice specifies
             a price, timing or terms and conditions different from the Shot-Gun
             Terms, the Triggering Partner shall have the option to (i) purchase
             the Receiving Partner's interest on the Shot-Gun Terms, (ii) sell
             its interest on the different terms set forth by the Receiving
             Partner, if any, or (iii) terminate the Shot-Gun Sale procedure.

         (c) Such purchase and sale shall close no later than thirty (30) days
             after the notice electing to purchase is given.

                           DISSOLUTION AND WINDING UP
                           --------------------------

7.01     DISSOLUTION OF THE PARTNERSHIP
         The Partnership shall be dissolved on December 31, 2094, or prior
         thereto upon the occurrence of any of the events specified in Section
         1531 of the Act, including without limitation:

             (i) There being only one remaining Partner.
             (ii)The written consent of all of the Partners.
             (iii) The dissolution, liquidation, Bankruptcy (as defined below)
                 or withdrawal of a Partner, unless there are two or more
                 remaining Partners and the Partners elect to continue the
                 Partnership within ninety (90) days following the occurrence of
                 such event.
             (iv)The Bankruptcy of the Partnership.
             (v) Any event which shall make it unlawful for the existence or the
                 business of the Partnership to be continued.

         "Bankruptcy" shall mean a voluntary or involuntary proceeding or
         petition commenced or filed by or against a party under any bankruptcy,
         insolvency or similar law or seeking the dissolution or reorganization
         of such party, or the appointment of a receiver, trustee, custodian, or
         liquidation for such party, or a substantial part of its property,
         assets or business, or any writ, order, judgment, warrant of
         attachment, execution or similar process is issued or levied against a
         substantial part of the property, assets or business of such party and
         such involuntary proceeding or petition shall not be dismissed, or such
         writ, order, judgment, warrant of attachment, execution or similar
         process shall not be released, vacated, or fully bonded, within sixty
         (60) days after commencement, filing or levy as the case may be, or if
         all or any part of the Partnership interest of a Partner shall be the
         subject of any levy or attachment, and if such levy or attachment shall
         not be discharged within sixty (60) days thereafter.




                                      -14-
   15




7.02     NEGATIVE CAPITAL ACCOUNTS
         Upon dissolution and liquidation of the Partnership, each Partner
         having a negative capital account shall restore the balance of such
         capital account to zero by making a capital contribution in cash in an
         amount equal to the deficit of such capital account.

7.03     DISTRIBUTION UPON LIQUIDATION
         Upon dissolution of the Partnership, the assets of the Partnership
         shall be liquidated in an orderly fashion and in accordance with the
         Act or applicable successor legislation. All assets to which the
         Partnership holds title shall be Partnership property and the Partners
         waive any rights of partition with respect thereto. The proceeds from
         such liquidation shall be distributed to the Partners in accordance
         with the positive capital account balances of the Partners, after
         taking into account all capital account adjustments required to be made
         by the Partnership immediately prior to the liquidating distribution.


                                    ARTICLE 8
                         LIMITATION ON PARTNERS' POWERS
                         ------------------------------

8.01     LIMITATION ON PARTNER'S POWERS
         No Partner shall, without the consent of the other Partner, take any
         action that purports to be the action of, or to be binding upon, the
         Partnership or the other Partner, it being the intent of this Agreement
         that all such action be taken by the Management Committee or by joint
         action of the Partners. Without limiting the generality of the
         foregoing, subject to the express rights and obligations as set forth
         in the Operating Agreement and the authority of the Venture Manager as
         specified herein, no Partner shall:

         (a) Borrow money in the Partnership name for any purpose or utilize
             collateral owned by the Partnership as security for loans;

         (b) Borrow from the Partnership or lend Partnership funds to any third
             party;

         (c) Assign, transfer, pledge, compromise or release any of the claims
             of or debts due the Partnership except upon payment in full, or
             arbitrate, or consent to the arbitration of, any of the disputes or
             controversies of the Partnership;

         (d) Make, execute, or deliver on behalf of the Partnership any
             assignment, bond, confession of judgment, chattel mortgage,
             security interest, deed, guarantee, indemnity bond, or surety bond
             to any third party;

         (e) Sell, exchange, transfer, lease, or mortgage any Partnership
             property or any interest therein or enter into any contract for any
             such purpose; or

         (f) Obligate the Partnership as a surety, guarantor, or accommodation
             party to any obligation.

                                    ARTICLE 9
                                     GENERAL
                                     -------

9.01     SECRECY AGREEMENT
         (a) 1997 CVI and OSI will make available to each other, to the extent
             each is able to do so, information and data necessary to operate
             and maintain the Facilities. All information considered proprietary
             will be disclosed or confirmed in writing and identified as
             confidential.

         (b) The recipient will not disclose to third parties nor use for any
             purpose other than to operate or maintain the Facilities the
             information and data disclosed in writing and identified as
             confidential pursuant to paragraph (a), at any time that the
             recipient is a Partner of the Partnership and for a period of ten
             (10) years thereafter.




                                      -15-
   16



         (c) The obligations of paragraph (b) do not apply to any information or
             data that

               (1)is, at the time of disclosure, available to the public,

               (2)becomes known to the public through no act or failure of the
                  recipient,

               (3)the recipient can demonstrate, by written record, was within
                  its possession before receipt from the other party,

               (4)becomes available to the recipient on a non-confidential basis
                  from a source other than the other party, without any breach
                  of any obligation of confidentiality,

               (5)is independently developed by the recipient without reference
                  to the information disclosed by the other party, or

               (6)the information is the subject of a subpoena or demand for
                  production of documents in connection with any suit,
                  arbitration proceeding, administrative procedure or before any
                  governmental agency. In such event, the recipient shall
                  promptly notify the disclosing party and shall cooperate with
                  the disclosing party in its attempts to protect the
                  confidentiality of its information such as by seeking a
                  protective order from a court of competent jurisdiction.

         (d)   The information and data subject to the obligations of paragraph
               (a) can be disclosed to Geon, Olin and/or a third party selected
               by the Partnership, provided that the receiving party agrees to
               assume the same obligations in a writing containing terms no less
               onerous than those set forth in this Section 9.01.

         (e)   As to information and data disclosed under paragraph (a) which
               was obtained by either 1997 CVI, OSI, or the Partnership from
               third parties under secrecy, OSI and 1997 CVI agree, when it is a
               recipient, to maintain such information confidential in the same
               manner and to the same extent required in agreements between the
               disclosing party and the third party. If necessary, 1997 CVI and
               OSI will sign secrecy agreements with the third parties
               equivalent in scope with the agreement already executed by the
               disclosing party.

9.02     RELATIONSHIP
         (a) Without the prior written consent of the other Partner, neither
             Partner shall, for and on behalf of the other, or for the account
             of the Partnership directly or indirectly do any act inconsistent
             with the provisions of this Agreement. In the event any Partner is
             held liable either prior to or after termination of this Agreement,
             for a claim of a third person by reason of acts of the Partnership,
             then any payment to such third person shall be treated as an
             expenditure of the Partnership and any Partner making such payment
             shall be entitled to be indemnified by the Partnership to the
             extent of the Partnership's insurance coverage. To the extent that
             the Partnership's insurance coverage fails to indemnify fully the
             paying Partner, such Partner shall be entitled to contribution from
             the other Partner accordingly.

         (b) Each Partner shall look solely to the assets of the Partnership for
             the return of its respective capital, and if the assets remaining
             after payment or discharge, or provision for payment or discharge,
             of its debts or liabilities are insufficient to return the capital
             to the Partners, no Partner shall have any recourse against the
             separate assets of the other Partner for that purpose.

9.03     MODIFICATION; ENTIRE AGREEMENT
         (a) This Agreement and the other agreements between OSI and/or Olin,
             the Partnership, 1997 CVI and/or Geon signed contemporaneously
             herewith, represent the entire agreement of the Partners with
             respect 




                                      -16-
   17



             to the matters discussed herein. There shall be no modification, 
             amendment, change or alteration of this or such other agreements 
             unless reflected in a written instrument executed by both Partners.

         (b) The Partners anticipate pursuing third party financing and agree
             that as a part of such process, each will consider in good faith
             any amendments or modifications to this Agreement or the Ancillary
             Agreements required by the financing party in order to proceed with
             the financing, and will implement any mutually acceptable
             amendments or modifications, provided that neither Partner shall be
             obligated to agree to any such amendment or modification.

9.04     WAIVER
         No Partner shall be construed to have waived any of its respective
         rights or interests in this Agreement by a failure, in any one
         instance, to have asserted, or made claim with respect to such right at
         the time such Partner was entitled to assert same.

9.05     BREACH
         (a) If one Partner claims that its rights or interest under this
             Agreement or any of the Ancillary Agreements, have been materially
             adversely affected due to the breach of the other Partner, the
             Partner claiming such breach shall give the other Partner notice
             thereof in writing.

         (b) If the alleged breaching Partner disputes in good faith the
             existence of such breach, it will notify the other Partner of the
             basis for its disputing the existence of the breach and thereafter
             the Partners will cause the dispute to be referred upward in the
             respective business organizations of Olin and Geon in a logical
             step-by-step manner, so that if not earlier resolved, such dispute
             reaches the level of corporate President within 120 days of
             initiation of the dispute resolution process.

         (c) If the alleged breaching Partner does not dispute the existence of
             the breach, it shall have ten (10) days within which to cure such
             breach, or if such breach is not readily curable within ten days,
             to commence to cure such breach as promptly as possible and to set
             forth in writing to the other Partner the basis and timing on which
             such breach shall be cured, in all events to be cured within sixty
             (60) days.

         (d) In the event that the breach is not fully resolved or cured within
             the applicable period provided in (b) and (c) above, then the other
             Partner shall be entitled, in its sole discretion, to take
             unilateral action to cure such breach on behalf of the other
             Partner, with any funds advanced by the non-breaching Partner in
             order to cure the breach, or damages suffered by the non-breaching
             Partner by the breach to be secured by a lien on such breaching
             Partner's interest in the Partnership, including the rights to
             distributions hereunder, until such time as the non-breaching
             Partner is fully compensated for such advances or damages. The
             breaching Partner shall take all actions and execute all agreements
             and instruments necessary at the time to cause such lien to be
             fully perfected and a first priority lien.

         (e) Without limiting the foregoing, upon expiration of the applicable
             period provided in (b) and (c) above, either Partner may thereafter
             submit the matter to binding arbitration as to whether a breach
             occurred, and the matter of damages (if any). The arbitration shall
             be conducted in accordance with the rules of the American
             Arbitration Association (the "AAA"), including the appointment of a
             single arbitrator from a list provided by the AAA to each party.
             The loser shall pay the costs and expenses of arbitration, but not
             the winner's attorney fees, costs and expenses. The arbitrator's
             decision shall be final and binding upon the parties, enforceable
             in accordance with its terms by any court of competent
             jurisdiction.




                                      -17-
   18



9.06     NOTICES
         Unless otherwise provided for herein, all notices or other
         communications authorized or required between the Partners hereto by
         any provision of this Agreement shall be in writing and delivered by
         hand or transmitted by registered or certified mail, return receipt
         requested, postage or other charges prepaid, and in all cases addressed
         to the voting members on the Management Committee, at the address set
         forth below or such other address as may be designated by the parties
         hereto.

IF TO OSI, C/O OLIN CORPORATION, AT:
                                    Chlor Alkali Products Division
                                    650 25th Street, N.W.
                                    Suite 300
                                    Cleveland, Tennessee  37311

         WITH A COPY TO:   501 Merritt 7
                                    P.O. Box 4500
                                    Norwalk, CT  06856-4500
                                    Attn:  Corporate Secretary

IF TO 1997 CVI, C/O THE GEON COMPANY, AT:
                                    Two Kingwood Place
                                    700 Rockmead Drive, Suite 250
                                    Houston, Texas  77339-2111

         WITH A COPY TO:   One Geon Center
                                    Avon Lake, Ohio 44012
                                    Attn:  Corporate Secretary

         The date of delivery shall be deemed to be the date the notice is
         given.

         In the event either Partner is served with notice of a lawsuit or a
         subpoena concerning the Partnership, such Partner shall promptly notify
         the other Partner thereof.

9.07     CAPTIONS
         Titles or captions of articles and sections contained in this Agreement
         are inserted only as a matter of convenience and for reference, and in
         no way define, limit, extend, or describe the scope of this Agreement
         or the intent of any provision hereof.

9.08     GOVERNING LAW
         This Agreement shall be governed by and construed according to the laws
         of the State of Delaware.

9.09     COUNTERPARTS
         This Agreement may be executed in two or more counterparts, each of
         which shall be deemed an original, and all of which shall constitute
         one and the same instrument.

9.10     SEVERABILITY
         If any of the terms and conditions of this Agreement are held to be
         invalid or unenforceable by any court or agency of competent
         jurisdiction, such holding shall not invalidate other terms and
         conditions of the Agreement. Instead, this Agreement shall be construed
         as if it did not contain the terms or conditions held to be invalid,
         and the remainder of the Agreement shall remain in full force and
         effect.




                                      -18-
   19


         IN WITNESS WHEREOF, the parties hereto have duly caused this Agreement
         to be executed by their duly authorized representatives on the day and
         year first above written.

                             1997 CHLORALKALI VENTURE INC.


                             By:\S\EDWARD C. MARTINELLI
                                -----------------------
                                      Edward C. Martinelli
                                      President

                             OLIN SUNBELT, INC.


                              By:\S\LEON B. ANZIANO
                                 ------------------
                                      Leon B. Anziano
                                      President



                                      -19-