The United States Environmental Protection Agency (“EPA”) published a November 28th Federal Register Notice that revises the regulatory definition of volatile organic compounds (“VOCs”) under the ...

An erroneous term. Storage devices, including magnetic disks and tapes, solid state disks (SSDs) and rewritable optical discs, hold their content permanently until purposely changed (they are non ...

Thanks for Glenn Hess’s article “U.S. Seeks Tighter Rail Safety Rules” (C&EN, Aug. 18, page 22). However, the word “volatile” is misused when he writes that “ethanol is less volatile than crude oil.” ...