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U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 40Chapter IPart 158Subpart D - Subpart D—Product Chemistry
§ 158.300 - Definitions.
§ 158.310 - Product chemistry data requirements table.
§ 158.320 - Product identity and composition.
§ 158.325 - Description of materials used to produce the product.
§ 158.330 - Description of production process.
§ 158.335 - Description of formulation process.
§ 158.340 - Discussion of formation of impurities.
§ 158.345 - Preliminary analysis.
§ 158.350 - Certified limits.
§ 158.355 - Enforcement analytical method.
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