40 CFR § 180.465 - 4-(Dichloroacetyl)-1-oxa-4-azaspiro[4.5]decane.
---
identifier: "/us/cfr/t40/s180.465"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.465 - 4-(Dichloroacetyl)-1-oxa-4-azaspiro[4.5]decane."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.465"
section_name: "4-(Dichloroacetyl)-1-oxa-4-azaspiro[4.5]decane."
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"
---
# 180.465 4-(Dichloroacetyl)-1-oxa-4-azaspiro[4.5]decane.
(a) *General.* Tolerances are established for the residues of 4-(dichloroacetyl)-1-oxa-4-azaspiro[4.5]decane, (CAS No. 71526-07-3) when used as an inert ingredient (safener) in or on the following raw agricultural commodities:
| Commodity | Parts per million |
| --- | --- |
| Corn, field, forage | 0.005 |
| Corn, field, grain | 0.005 |
| Corn, field, stover | 0.005 |
| Corn, pop, grain | 0.005 |
| Corn, pop, stover | 0.005 |
| There are no U.S. registered products containing 4-(dichloroacetyl)-1-oxa-4-azaspiro[4.5]decane as of June 17, 2002. | |
(b) *Section 18 emergency exemptions.* [Reserved]
(c) *Tolerances with regional registrations.* [Reserved]
(d) *Indirect or inadvertent residues.* [Reserved]
[68 FR 4392, Jan. 29, 2003]