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EPA Proposes TSCA Significant New Use Rules for 17 Chemicals

December 28, 2011 by Barbara Chaves|FDA and EPA

The Environmental Protection Agency is proposing significant new use rules (SNUR) under section 5(a)(2) of the Toxic Substances Control Act for 17 chemical substances1 which were the subject of premanufacture notices (PMNs). Fifteen of these chemical substances are subject to TSCA section 5(e) consent orders issued by EPA. This action would require persons who intend to manufacture, import, or process any of these 17 chemical substances for an activity that is designated as a significant new use by this proposed rule to notify EPA at least 90 days before commencing that activity. The required notification would provide EPA with the opportunity to evaluate the intended use and, if necessary, to prohibit or limit that activity before it occurs.

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Comments are due by approximately January 27, 2012.

The 17 chemical substances include:

  1. Benzene, ethenyl-, polymer with 1,3-butadiene
  2. Multi-walled carbon nanotubes (generic) (P-10-246)
  3. 4,4'-Bipyridinium, 1-(phosphonoalkyl)-1'-substituted-, salt with anion (1:2) (generic)
  4. Single-walled and multi-walled carbon nanotubes (generic) (P-10-40)
  5. Multi-walled carbon nanotubes (generic) (P-10-39)
  6. Multi-walled carbon nanotubes (generic) (P-09-417)
  7. Multi-walled carbon nanotubes (generic) (P-09-188)
  8. 3’H-cyclopropa[7,22][5,6]fullerene-C70-D5h(6)-3’-butanoic acid, 3’-phenyl-, methyl ester
  9. 3’H-cyclopropa[8,25][5,6]fullerene-C70-D5h(6)-3’-butanoic acid, 3’-phenyl-, methyl ester
  10. 3’H-cyclopropa[1,9][5,6]fullerene-C60-Ih-3’-butanoic acid, 3’-phenyl-, methyl ester
  11. [5,6]Fullerene-C84-D2d
  12. [5,6]Fullerene-C84-D2
  13. [5,6]Fullerene-C70-D5h(6)
  14. [5,6]Fullerene-C60-Ih
  15. Multi-walled carbon nanotubes (generic) (P-08-733)
  16. Multi-walled carbon nanotubes (generic) (P-08-734)
  17. Ethane, 2-bromo-1, 1-difluoro-