This regulation amends the tolerance exemption for copper in/ on meat, milk, poultry, eggs, fish, shellfish, and irrigated crops when it results from the use of cuprous oxide embedded in polymer emitter heads used in irrigation systems for root incursion prevention. This regulation eliminates the need to establish a maximum permissible level for residues of copper resulting from this use of cuprous oxide.
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Cuprous Oxide; Exemption From the Requirement of a Tolerance
This regulation amends the tolerance exemption for copper in/ on meat, milk, poultry, eggs, fish, shellfish, and irrigated crops when it results from the use of cuprous oxide em...
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80 FR 37547
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“Cuprous Oxide; Exemption From the Requirement of a Tolerance,” thefederalregister.org (July 1, 2015), https://thefederalregister.org/documents/2015-16224/cuprous-oxide-exemption-from-the-requirement-of-a-tolerance.