(a) General. (1) Tolerances are established for residues of the plant regulator and herbicide chlorpropham (isopropyl m-chlorocarbanilate (CIPC) in or on the following food commodities:

CommodityParts per million
Potato30
Potato, wet peel40

(2) Tolerances are established for the combined residues of the plant regulator and herbicide chlorpropham (isopropyl m-chlorocarbanilate (CIPC) and its metabolite 4-hydroxychlorpropham-O-sulfonic acid (4-HSA) in or on the following food commodities:

CommodityParts per million
Cattle, fat0.20
Cattle, kidney0.30
Cattle, meat0.06
Cattle, meat byproducts except kidney0.06
Goat, fat0.20
Goat, kidney0.30
Goat, meat0.06
Goat, meat byproducts except kidney0.06
Hog, fat0.20
Hog, kidney0.30
Hog, meat0.06
Hog, meat byproducts except kidney0.06
Horse, fat0.20
Horse, kidney0.30
Horse, meat0.06
Horse, meat byproducts except kidney0.06
Milk0.30
Sheep, fat0.20
Sheep, kidney0.30
Sheep, meat0.06
Sheep, meat byproducts except kidney0.06

(b) Section 18 emergency exemptions. [Reserved]

(c) Tolerances with regional registrations. [Reserved]

(d) Indirect or inadvertent residues. [Reserved]

[43 FR 52487, Nov. 13, 1978, as amended at 63 FR 57073, Oct. 26, 1998; 72 FR 37653, July 11, 2007]