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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 48
Chapter 5
Part 523 - PART 523—ENVIRONMENT, ENERGY AND WATER EFFICIENCY, RENEWABLE ENERGY TECHNOLOGIES, OCCUPATIONAL SAFETY, AND DRUG-FREE WORKPLACE
Subpart 523.3 [523.303 - 523.370] - Subpart 523.3—Hazardous Material Identification and Material Safety Data
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