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Title 40--Protection of Environment
CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY
749--WATER TREATMENT CHEMICALS
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 | 749.68 | Hexavalent chromium-based water treatment chemicals in cooling systems. |
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Title 40--Protection of Environment
CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY
749--WATER TREATMENT CHEMICALS
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| 749.68 | Hexavalent chromium-based water treatment chemicals in cooling systems. |
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