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This article was originally published in The Rose Sheet

Executive Summary

Propylene glycol mono-t-butyl ether, a chemical used as a solvent in nail polish lacquers, cleaners and other water-reducible coatings, has been added to the California Prop 65 list of chemicals known to the state to cause cancer, Office of Environmental Health Hazard Assessment reports. Agency issued a notice of intent to list the chemical in April, citing an NTP study as its basis. Last year, NTP reviewed a technical report on propylene glycol mono-t-butyl ether and determined there is "equivocal evidence" of carcinogenic activity of the chemical in F344/N rats in a two-year inhalation study (1"The Rose Sheet" April 21, 2003, p. 7)...

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