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EPANonrulemakingEPA-HQ-OPPT-2018-0430

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

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Last modified
Jun 18, 2026
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closed 43d ago
Natural Resources Defense Council (NRDC) filings
1

Activity

Natural Resources Defense Council (NRDC) filed 1 comment on this docket between Jun 18, 2026 and Jun 18, 2026. 10 other organizations filed here. The comment window closed 43d ago.

What Natural Resources Defense Council (NRDC) filed (1)

Jun 18, 2026· Comment submitted by Natural Resources Defense Council (NRDC)· EPA-HQ-OPPT-2018-0430-0113

The Natural Resources Defense Council and Earthjustice respectfully submit the following comments on EPA's draft risk evaluation for HHCB and draft hazard assessments for o-dichlorobenzene and p-dichlorobenzene.

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Abstract

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.

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Co-filers (10)

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1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8- hexamethylcyclopenta [y]-2-benzopyran (HHCB); TSCA Review (EPA) — Natural Resources Defense Council (NRDC) | OpenPolis