Quick Links: Skip to main page content Skip to Search Skip to Topics Menu Skip to Common Links
  • Decrease font size
  • Return font size to normal
  • Increase font size
U.S. Department of Health and Human Services

Threshold of Regulation (TOR) Exemptions
  • Print
  • Share
  • E-mail
-

TOR number 1999-004

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: Tetrakis(hydroxymethyl)phosphonium sulfate (CAS Reg. No. 55566-30-8)
Use Limitations*: At a maximum concentration of 500 ppm as a preservative for alkyl ketene dimer (AKD) emulsions applied to food-contact paper at the dry end of the paper machine.
Requestor: Lewis and Harrison Consultants

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