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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
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        <ExplanationTxt>SIRC reviews and assesses all activities annually to identify any changes in the scope of the activities and revenue sources and the tax treatment thereof to identify any uncertainty in income tax. SIRC did not identify any uncertainty in income tax requiring recognition or disclosure in its financial statements or which may have any effect on its tax-exempt status.</ExplanationTxt>
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        <PersonNm>Ray Ehrlich</PersonNm>
        <TitleTxt>Executive Director</TitleTxt>
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        <ExplanationTxt>SIRC reimburses the health insurance premiums for its executive director and includes those payments in taxable income on the individual's Form W-2. SIRC grosses up the payments to cover the additional payroll tax on this taxable income.</ExplanationTxt>
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        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>Any company with facilities in North America that manufactures or processes ethylbenzene or styrene monomer is eligible to become a voting member of the Organization. Companies which fabricate materials from derivatives of ethylbenzene or styrene, within or outside of North America, are eligible to become associate, non-voting members of the Organization.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 7a</FormAndLineReferenceDesc>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>The Federal Form 990 is reviewed by the Organization's executive director. Such review takes place upon receipt of the draft Form 990 received from the independent public accounting firm who conducts the Organization's financial statement audit and involves comparison of financial data in the Form 990 with the audited financial statements and review of all narrative information for accuracy and completeness. A copy of the Form 990 is forwarded to voting members of the board prior to the filing of the Form 990.</ExplanationTxt>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>Form 990, Part VI, Section B, Line 15a: The Steering Committee (the governing body) annually reviews the performance of the executive director and approves the executive director's compensation.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>The Organization makes its governing documents and financial statements available upon request.</ExplanationTxt>
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      <SupplementalInformationDetail>
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</Return>
