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Chemicals: federal lists and state cleanup levels

1547 CAS numbers are on one of the 3 federal lists this handbook carries from Title 40 of the Code of Federal Regulations, Parts 300 to 399, revised as of July 1, 2025, or in the cleanup-level tables of two or more states. Each has a page that sets the regulation's rows and the states' numbers side by side, as each is printed.

1547CAS numbers
3Federal lists
3States

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Maintained by Barrow. General reference only, not legal or professional advice. Barrow is not affiliated with or endorsed by any government agency. See how Barrow drafts the report