Code of Federal Regulations Title 40. Protection of Environment § 40.180.1021 Copper;  exemption from the requirement of a tolerance

(a) Copper is exempted from the requirement of a tolerance in cattle, meat;  goat, meat;  hog, meat;  horse, meat;  sheep, meat;  milk, poultry, fat;  poultry, meat;  poultry, meat byproducts;  egg, fish, shellfish, and irrigated crops when it results from the use of:

(b) The following copper compounds are exempt from the requirement of a tolerance when applied (primarily) as a fungicide to growing crops using good agricultural practices:

(c) Copper sulfate pentahydrate (CAS Reg. No. 7758–99–8) is exempt from the requirement of a tolerance when applied as a fungicide to growing crops or to raw agricultural commodities after harvest, and as a bactericide/fungicide in or on meat, fat and meat by-products of cattle, sheep, hogs, goats, horses and poultry, milk and eggs when applied as a bactericide/fungicide to animal premises and bedding.

(d) Copper (II) hydroxide (CAS Reg. No. 20427–59–2) is exempt from the requirement of a tolerance when applied to growing crops or to raw agricultural commodities as an inert ingredient (for pH control) in pesticide products.