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LII
Electronic Code of Federal Regulations (e-CFR)
Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER R—TOXIC SUBSTANCES CONTROL ACT
PART 749—WATER TREATMENT CHEMICALS
Subpart D—Air Conditioning and Cooling Systems
40 CFR Subpart D - Subpart D—Air Conditioning and Cooling Systems
CFR
§ 749.68 Hexavalent chromium-based water treatment chemicals in cooling systems.
