Regulations last checked for updates: Nov 25, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
§ 180.289 - Methanearsonic acid; tolerances for residues.

(a) General. Tolerances are established for residues of the herbicide methanearsonic acid, including its metabolites and degradates, in or on the commodities in the table in this paragraph. Compliance with the tolerance levels specified in this paragraph is to be determined by measuring only methanearsonic acid, from application of the disodium and monosodium salts of methanearsonic acid, calculated as the stoichiometric equivalent of As2O3, in or on the commodity.

Commodity Parts per million Expiration/Revocation Date
Cotton, undelinted seed0.7None
Cotton, hulls0.9None
Fruit, citrus0.3512/31/12

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]

[63 FR 34828, June 26, 1998, as amended at 77 FR 59126, Sept. 26, 2012]
authority: 21 U.S.C. 321(q), 346a and 371
source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 180.289