Today’s issue of the Federal Register carries a notice from the EPA withdrawing two significant new use final rules. EPA is withdrawing these SNURs affecting multi-walled carbon nanotubes and single-walled carbon nanotubes after having received a notice of intent to submit adverse comments. The text of the notice is below and a link to the PDF version may be found here. The notice also refers to an earlier notice from EPA published in the Federal Register for June 24, 2009.

Federal Register: August 21, 2009 (Volume 74, Number 161)] [Rules and Regulations]               [Page 42177-42178] From the Federal Register Online via GPO Access [] [DOCID:fr21au09-7]                        



40 CFR Part 721

[EPA-HQ-OPPT-2008-0252; FRL-8433-9] RIN 2070-AB27

Certain Chemical Substances; Withdrawal of Significant New Use Rules

AGENCY: Environmental Protection Agency (EPA).

ACTION: Withdrawal of final rules.


SUMMARY: EPA is withdrawing two significant new use rules (SNURs) promulgated under section 5(a)(2) of the

[[Page 42178]]

Toxic Substances Control Act (TSCA) for chemical substances which were the subject of premanufacture notices (PMNs), i.e., multi-walled carbon nanotubes (PMN P-08-177) and single-walled carbon nanotubes (PMN P-08- 328). These chemical substances are subject to TSCA section 5(e) consent orders issued by EPA. EPA published the SNURs using direct final rulemaking procedures. EPA received a notice of intent to submit adverse comments on these rules. Therefore, the Agency is withdrawing these SNURs, as required under the expedited SNUR rulemaking process. EPA also intends to publish in the Federal Register, under separate notice and comment rulemaking …