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U.S. Department of Health and Human Services

Threshold of Regulation (TOR) Exemptions
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TOR number 1999-007

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: 2-Methyl-4,5-trimethylene-4-isothiazolin-3-one
Use Limitations*: As a preservative at levels not exceeding 0.015% by weight in water-based adhesives complying with 21 CFR 175.105 for use at temperatures not exceeding 120°F.
Requestor: Zeneca Biocides
Quick links to regulation: 175.105

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