Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
§ 180.252 - Tetrachlorvinphos; tolerances for residues.

(a) General. Tolerances are established for the combined residues of the insecticide tetrachlorvinphos [(Z)-2-chloro-1-(2,4,5-trichlorophenyl) vinyl dimethyl phosphate], including its metabolites, 1-(2,4,5-trichlorophenyl)-ethanol (free and conjugated forms), 2,4,5-trichloroacetophenone, and 1-(2,4,5-trichlorophenyl)-ethanediol, in or on the following commodities:

Commodity Parts per
million
Cattle, fat (of which no more than 0.1 ppm is tetrachlorvinphos per se)0.2
Cattle, kidney (of which no more than 0.05 ppm is tetrachlorvinphos per se)1.0
Cattle, liver (of which no more than 0.05 ppm is tetrachlorvinphos per se)0.5
Cattle, meat (of which no more than 2.0 ppm is tetrachlorvinphos per se)2.0
Cattle, meat byproducts, except kidney and liver1.0
Egg (of which no more than 0.05 ppm is tetrachlorvinphos per se)0.2
Hog, fat (of which no more than 0.1 ppm is tetrachlorvinphos per se)0.2
Hog, kidney (of which no more than 0.05 ppm is tetrachlorvinphos per se)1.0
Hog, liver (of which no more than 0.05 ppm is tetrachlorvinphos per se)0.5
Hog, meat (of which no more than 2.0 ppm is tetrachlorvinphos per se)2.0
Hog, meat byproducts, except kidney and liver1.0
Milk, fat (reflecting negligible residues in whole milk and of which no more than 0.05 ppm is tetrachlorvinphos per se)0.05
Poultry, fat (of which no more than 7.0 ppm is tetrachlorvinphos per se)7.0
Poultry, liver (of which no more than 0.05 ppm is tetrachlorvinphos per se)2.0
Poultry, meat (of which no more than 3.0 ppm is tetrachlorvinphos per se)3.0
Poultry, meat byproducts, except liver2.0

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]

[76 FR 57659, Sept. 16, 2011, as amended at 78 FR 15882, Mar. 13, 2013; 78 FR 53684, Aug. 30, 2013]
authority: 21 U.S.C. 321(q), 346a and 371
source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 180.252