# Significant New Uses of Chemical Substances
> **Rule** · — · Published 2009-06-24 · 74 FR 29998
## Document
- **Document number:** E9-14993
- **Category:** chemical-tsca
- **Federal Register citation:** 74 FR 29998
- **CFR reference:** 40 CFR 721
- **Publication date:** 2009-06-24
## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/06/24/E9-14993/significant-new-uses-of-chemical-substances)
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