180.547—Prohexadione calcium; tolerances for residues.

(a) General. Tolerances are established for residues of the plant growth regulator, prohexadione calcium (calcium 3-oxido-5-oxo-4-propionylcyclohex-3-enecarboxylate) in or on the following raw agricultural commodities:
Commodity Parts per million
Cattle, kidney 0.10
Cattle, meat byproducts, except kidney 0.05
Fruit, pome, group 11 3.0
Goat, kidney 0.10
Goat, meat byproducts, except kidney 0.05
Grass, forage 1 0.10
Grass, hay 1 0.10
Grass, seed screenings 1 3.5
Grass, straw 1 1.2
Hog, kidney 0.10
Hog, meat byproducts, except kidney 0.05
Horse, kidney 0.10
Horse, meat byproducts, except kidney 0.05
Peanut 1.0
Peanut, hay 0.60
Sheep, kidney 0.10
Sheep, meat byproducts, except kidney 0.05
1Registration is limited to grass grown for seed.
(b) emergency exemptions. [Reserved]
(c) Tolerances with regional registrations. [Reserved]
(d) Indirect or inadvertent residues. [Reserved]

Code of Federal Regulations

[65 FR 25660, May 3, 2000, as amended at 66 FR 29712, June 1, 2001]