|Underwriters Laboratories, Inc.®
||Certified by Underwriters Laboratory Inc.® to NSF/ANSI 61 for drinking water. Also certified to NSF/ANSI 372 (formerly known as Annex G) as to lead content.
VOC content – 3.718 micrograms/Liter (non detect).
|United States Department of Agriculture
||Acceptable as a pipe joint compound in official establishments operating under the Federal meat and poultry products inspection program.
|American Petroleum Institute
||Specifically mentioned as a material which can be used in the American Petroleum Institute's Recommended Practices 10E (RP 10E) Second Edition, July 1, 1987