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U.S. Department of Health and Human Services

Threshold of Regulation (TOR) Exemptions
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TOR number 2007-005

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: Tin oxide (SnO2), (CAS Reg. No. 18282-10-5),
Use Limitations*: For use at a maximum concentration of 2.0% by weight as a component in mica-based mineral colorants, provided the maximum loading level for the mica-based colorants in the food-contact article does not exceed 3% by weight for polymers, 5% for paper and paperboard, 15% for coatings or 30% for ink formulations, in contact with all food types and under temperature conditions of use A through H.
Requestor: Ciba Specialty Chemicals Corporation

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