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U.S. Department of Health and Human Services

Threshold of Regulation (TOR) Exemptions
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TOR number 1997-003

Threshold of Regulation Exemptions are generally applicable and are effective for the food contact substance (FCS) for the listed intended use regardless of manufacturer or supplier.
Food Contact Substance: Melamine (CAS Reg. No. 108-78-1) and triphenyl phosphine (CAS Reg. No. 603-35-0)
Use Limitations*: Melamine at a use level of 0.2% by weight and triphenylphosphine at a use level of 0.05% by weight as stabilizers in polyoxymethylene copolymers regulated in 21 CFR 177.2470 destined for use in the manufacture of repeat-use articles that may contact food.
Requestor: Texapol Corp.
Quick links to regulation: 177.2470

*For references to food types and conditions of use, see Food Types & Conditions of Use for Food Contact Substances.
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