§180.350. Nitrapyrin; tolerances for residues.
40 C.F.R. § 180.350
General. Tolerances are established for residues of the nitrification inhibitor nitrapyrin, including its metabolites and degradates, in or on the commodities in the table below. Compliance with the tolerance levels specified below is to be determined by measuring only the sum of nitrapyrin (2-chloro-6-(trichloromethyl) pyridine) and its 6-CPA metabolite (6-chloro-picolinic acid), calculated as the stoichiometric equivalent of nitrapyrin, in or on the commodity:
Section 18 emergency exemptions. [Reserved]
Tolerances with regional registrations. [Reserved]
Indirect or inadvertent residues. [Reserved]
Notes, amendments, and revision history
Amendments
[46 FR 58315, Dec. 1, 1981, as amended at 47 FR 22957, May 26, 1982; 52 FR 33238, Sept. 2, 1987; 58 FR 32304, June 9, 1993; 63 FR 57076, Oct. 26, 1998; 72 FR 53461, Sept. 19, 2007; 82 FR 56744, Nov. 30, 2017; 84 FR 44712, Aug. 27, 2019; 85 FR 48654, Aug. 12, 2020; 87 FR 3449, Jan. 24, 2022]
Authority
Authority: 21 U.S.C. 321(q), 346a and 371.
Source
Source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.
Amendments
[46 FR 58315, Dec. 1, 1981, as amended at 47 FR 22957, May 26, 1982; 52 FR 33238, Sept. 2, 1987; 58 FR 32304, June 9, 1993; 63 FR 57076, Oct. 26, 1998; 72 FR 53461, Sept. 19, 2007; 82 FR 56744, Nov. 30, 2017; 84 FR 44712, Aug. 27, 2019; 85 FR 48654, Aug. 12, 2020; 87 FR 3449, Jan. 24, 2022]