Hexythiazox; Pesticide Tolerances

What it does

This regulation establishes a tolerance for residues of the insecticide hexythiazox and its metabolites in or on lemon/lime, subgroup 10-10B at 0.6 parts per million (ppm). This regulation also establishes separate regional tolerances for grapefruit, subgroup 10- 10C (CA, AZ, TX only) at 0.5 ppm and orange, subgroup 10-10A (CA, AZ, TX only) at 0.5 ppm. Under the Federal Food, Drug, and Cosmetic Act (FFDCA), Gowan Company submitted a petition to EPA requesting that EPA establish a maximum permissible level for residues of this pesticide.

The Environmental Protection Agency's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 40 of the Code of Federal Regulations:

40 CFR 180

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Environmental Protection Agency has published 248 final rules in 2026 so far, compared with 263 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

What happens next and when

This rule is effective on February 13, 2026. Objections and requests for hearings must be received on or before April 14, 2026 and must be filed in accordance with the instructions provided in 40 CFR part 178 (see also Unit I.C. of this document).

The agency's dates, word for word.

Check it yourself

• The document in the Federal Register
• Docket EPA-HQ-OPP-2024-0322 on Regulations.gov
• Title 40 on eCFR

The record as published

Source: the Federal Register (public domain). The document in the Federal Register