Nano and Other Emerging Chemical Technologies Blog

Nano and Other Emerging Chemical Technologies Blog

Regulatory & legal developments involving nano and other emerging chemical technologies

Tag Archives: SNUR

EPA Proposes a Second SNUR for Multi-Walled Carbon Nanotubes

Posted in Federal, Legal/Regulatory Issues, United States
The U.S. Environmental Protection Agency (EPA) published on February 3, 2010, a proposed significant new use rule (SNUR) under Section 5(a)(2) of the Toxic Substances Control Act (TSCA) for multi-walled carbon nanotubes. The proposed rule would require persons who intend to manufacture, import, or process the substance for an activity that is designated as a significant new… Continue Reading

EPA Proposes SNURs for Carbon Nanotubes

Posted in Federal, Legal/Regulatory Issues, United States
On November 6, 2009, the U.S. Environmental Protection Agency (EPA) proposed significant new use rules (SNUR) under Section 5(a)(2) of the Toxic Substances Control Act (TSCA) for two chemical substances that were the subject of premanufacture notices (PMN). EPA identified the substances generically as multi-walled carbon nanotubes and single-walled carbon nanotubes. According to the notice, these substances… Continue Reading

EPA Withdraws Final SNURs for CNTs

Posted in Federal, Legal/Regulatory Issues, United States
Today’s Federal Register includes a notice from the U.S. Environmental Protection Agency (EPA) withdrawing the June 24, 2009, final significant new use rules (SNUR) for multi- and single-walled carbon nanotubes (CNT). EPA states that it published the final SNURs using direct final rulemaking procedures. Because EPA received a notice of intent to submit adverse comments on the… Continue Reading

EPA Clarifies Final CNT SNURs

Posted in Environmental Issues, Federal, Legal/Regulatory Issues
On July 28, 2009, the U.S. Environmental Protection Agency (EPA) clarified its June 24, 2009, final Significant New Use Rules (SNUR) for multi- and single-walled carbon nanotubes (CNT).  According to EPA, upon review of the final rule, stakeholders asked whether the SNURs applied to all types of CNTs.  EPA responded:   This is not the case.… Continue Reading