40 CFR §180.1274
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Tris (2-ethylhexyl) phosphate (TEHP, CAS Reg. No. 78-42-2) is exempt from the requirement of a tolerance for residues in grain, aspirated fractions; barley, grain, barley, hay, barley, straw; wheat, grain; wheat, forage; wheat, hay; wheat, straw when used under the following conditions:
- (a)The use is in accordance with good agricultural practices;
- (b)Tris (2-ethylhexyl) phosphate is used as an inert ingredient in pesticide formulations with the active ingredients pinoxaden, clodinafop-propargyl, and tralkoxydium;
- (c)Tris (2-ethylhexyl) phosphate is applied no more than twice per season; and
- (d)The applications occur no later than the pre-boot stage (prior to formation of edible grain).