# Significant New Use Rules on Certain Chemical Substances
> **Rule** · — · Published 2018-10-01 · 83 FR 49295
## Document
- **Document number:** C1-2018-19950
- **Category:** chemical-tsca
- **Federal Register citation:** 83 FR 49295
- **CFR reference:** 40 CFR 9
- **Publication date:** 2018-10-01
- **EPA docket:** EPA-HQ-OPPT-2018-0567
## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/10/01/C1-2018-19950/significant-new-use-rules-on-certain-chemical-substances)
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