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U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 40Chapter IPart 160Subpart E - Subpart E—Testing Facilities Operation
§ 160.81 - Standard operating procedures.
§ 160.83 - Reagents and solutions.
§ 160.90 - Animal and other test system care.
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