40 CFR § 180.1288 - Tristyrylphenol ethoxylates; exemption from the requirement of a tolerance.
---
identifier: "/us/cfr/t40/s180.1288"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.1288 - Tristyrylphenol ethoxylates; exemption from the requirement of a tolerance."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.1288"
section_name: "Tristyrylphenol ethoxylates; exemption from the requirement of a tolerance."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "E"
subchapter_name: "PESTICIDE PROGRAMS"
part_number: "180"
part_name: "TOLERANCES AND EXEMPTIONS FOR PESTICIDE CHEMICAL RESIDUES IN FOOD"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321(q), 346a and 371."
regulatory_source: "36 FR 22540, Nov. 25, 1971, unless otherwise noted."
cfr_part: "180"
---
# 180.1288 Tristyrylphenol ethoxylates; exemption from the requirement of a tolerance.
An exemption from the requirement of a tolerance is established for residues of poly(oxy-1,2-ethanediyl), α-[2,4,6-tris(1-phenylethyl)phenyl]-ω-hydroxy-, (CAS Reg. No. 70559-25-0) and poly(oxy-1,2-ethanediyl), α-[tris(1-phenylethyl)phenyl]-ω-hydroxy-, (CAS Reg. No. 99734-09-5) on citrus crops, group 10, when used as inert ingredients under the following conditions:
(a) They are applied post-harvest;
(b) They are used as inert ingredients in pesticide formulations with azoxystrobin and fludioxonil; and
(c) They constitute no more than 10.0% of the formulated pesticide product.
[74 FR 12625, Mar. 25, 2009]