40 CFR §180.1139
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The biochemical sodium 5-nitroguiacolate is exempted from the requirement of a tolerance when used as a plant growth regulator in end-use products at a concentration of 0.1% by weight and applied at an application rate of 20 g of a.i. per acre or less per application, in or on all food commodities.