A tolerance of 0.1 part per million is established for negligible residues of haloxon (3-chloro-7-hydroxy-4-methyl-coumarin bis(2-chloroethyl) phosphate) in the edible tissues of cattle.
Code of Federal Regulations
[40 FR 13942, Mar. 27, 1975, as amended at 45 FR 10333, Feb. 15, 1980]