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U.S. Department of Health and Human Services

Threshold of Regulation (TOR) Exemptions

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TOR No. 2010-001

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: 1,1,1’-trimethylolpropane (CAS Reg. No. 77-99-6) and zirconium dioxide (CAS Reg. No. 1314-23-4)
Use Limitations*: For use as modifying agents for titanium dioxide pigments. Each subject of the TOR request would be used at a maximum level of 0.7% of the titanium dioxide pigment formulation. The resulting titanium dioxide pigment would be used at a level not to exceed 5% by weight of finished repeat-use polymers or coatings intended for use in contact with all foods under use conditions up to and including cooking.
Requestor: Tronox, LLC

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

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