1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8- hexamethylcyclopenta [y]-2-benzopyran (HHCB); TSCA Review | Federal Regulations · Congress.wiki

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EPA

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EPA-HQ-OPPT-2018-0430

1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8- hexamethylcyclopenta [y]-2-benzopyran (HHCB); TSCA Review

Documents

Comments

Description

EPA is interested in information on 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8- hexamethylcyclopenta [y]-2-benzopyran (HHCB) (CASRN 1222-05-5). EPA encourages the public to submit use, hazard, and exposure information to this docket.

Key Dates

Comment Period OpensSep 28, 2018

Comment Period ClosesJun 16, 2026

Documents

Type	Title	Posted	Comments	Status
Supporting Material	28. HHCB. Draft SHEDS-HT Modeling Cover Letter Public Release. March 2026	Apr 14, 2026	--

Comment Statistics

Total Comments

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