According to a Federal Register notice scheduled for publication on December 23, 2014, the U.S. Environmental Protection Agency (EPA) is withdrawing several direct final significant new use rules (SNUR) promulgated on October 27, 2014, including one for functionalized carbon nanotubes (generic) (PMN No. P-13-793). EPA states that it received notice of intent to submit adverse comments on the direct final SNURs. EPA intends to publish proposed SNURs for the chemical substances in the notice.