---
kind: "section"
citation: "40 C.F.R. § 180.1274"
title: "40"
number: "180.1274"
heading: "Tris (2-ethylhexyl) phosphate; exemption from the requirement of a tolerance."
url: "https://uscodex.org/cfr/40/180.1274"
---

# §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;
- (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).**

## Notes

### Amendments

[72 FR 5624, Feb. 7, 2007, as amended at 74 FR 26536, June 3, 2009]

### Authority

Authority: 21 U.S.C. 321(q), 346a and 371.

### Source

Source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.

### Amendments

[72 FR 5624, Feb. 7, 2007, as amended at 74 FR 26536, June 3, 2009]