StacksVerified U.S. regulatory reference

40 CFR §180.1268

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Potassium silicate is exempt from the requirement of a tolerance in or on all food commodities so long as the potassium silicate is not applied at rates exceeding 1% by weight in aqueous solution and when used in accordance with good agricultural practices.