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U.S. Department of Health and Human Services

Inventory of Environmental Impact Decisions for Food Contact Substance Notifications
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FCN No. 2123

Food Contact Substance: Hexanedioic acid, polymer with 1,4-butanediol, 2,2-dimethyl-1,3-propanediol, and 1,1- methylenebis[4-isocyanatobenzene] (CAS Reg. No. 56815-45-3).
Environmental Assessment NEPA Submission: Categorical Exclusion 25.32(j)
FDA Decision: Categorical Exclusion Memo
FCN Premarket Authorization Issued: FCN description

More about Environmental Decisions and Definitions of Environmental Terms.
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