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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. 1396

Food Contact Substance: Mixture of 5-chloro-2-methyl-4-isothiazolin-3-one (CIT) and 2-methyl-4-isothiazolin-3-one (MIT), at a ratio of 3 parts to 1 part by weight, optionally stabilized with magnesium or sodium nitrate and copper (II) nitrate.
National Environmental Policy Act (NEPA) Submission: Categorical Exclusion 21 CFR 25.32(q)
FDA Decision: Categorical Exclusion Memo
FCN Premarket Authorization Issued: FCN description
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