40 CFR 180.1274 - Tris (2-ethylhexyl) phosphate; exemption from the requirement of a tolerance.
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;
(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).