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TOLERANCES FOR ARSENIC, COPPER AND LEAD IN FOODS
(THIS DECISION CONTEMPLATES ONLY ADDED POISONS OR POISONOUS CONTAMINATIONS)
Because of the recognized toxicity of certain metallic substances it is in the interest of public health to protect foods from contamination with such materials. Precautions should be taken in the manufacture, culture, treatment, preparation, processing, packing or preservation of foods that they shall not be contaminated with arsenic, copper or lead compounds or, if such contaminations are unavoidable, that they be reduced to amounts that are within the limits of safety. To this end, equipment and materials used in the manufacture of prepared foods should be carefully guarded and controlled.Foods to be eligible for acceptance shall not contain arsenic, copper or lead by contamination in excess of the tolerances established by the United States Department of Agriculture:1.06 parts of arsenic (as As) per million of food [1.4 parts of arsenic (as As2O3) per million of food].30 parts of copper (as Cu) per million of
1.06 parts of arsenic (as As) per million of food [1.4 parts of arsenic (as As2O3) per million of food].
30 parts of copper (as Cu) per million of
Committee on Foods. JAMA. 1934;103(1):29. doi:10.1001/jama.1934.02750270031012