A News and Comment Briefing ("OSHA backs away from strict lab rules," 28 Nov. 1980, p. 992) incorrectly quoted a National Research Council report on safe handling of laboratory chemicals as saying, "For most laboratory environments, ... regular monitoring of the airborne concentrations of a variety of different toxic materials is both unjustified and unjust." The report actually said it was "unjustified and impractical."