40 CFR § 180.444 - Sulfur dioxide; tolerances for residues.
---
identifier: "/us/cfr/t40/s180.444"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.444 - Sulfur dioxide; tolerances for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.444"
section_name: "Sulfur dioxide; tolerances for residues."
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"
---
# 180.444 Sulfur dioxide; tolerances for residues.
(a) *General.* A tolerance is established as follows for sulfite residues of the fungicide sulfur dioxide (determined as (SO<sub>2</sub>)) in or on the following raw agricultural commodity(ies):
Table 1 to Paragraph (**a**)
| Commodity | Parts per million |
| --- | --- |
| Blueberry | 9 |
| Grape, postharvest | 10.0 |
(b) [Reserved]
(c) *Tolerances with regional registrations.* [Reserved]
(d) *Indirect or inadvertent residues.* [Reserved]
[54 FR 20126, May 10, 1989, as amended at 76 FR 56648, Sept. 14, 2011; 87 FR 68911, Nov. 17, 2022]