Isothiazolinone in Residential Interior Wall Paint: A High-Performance Liquid Chromatographic–Mass Spectrometry Analysis

Background There is limited information regarding isothiazolinone content in residential wall paints in the United States. Objective The aim of this study was to evaluate the prevalence of 5 isothiazolinones—methylisothiazolinone (MI), methylchloroisothiazolinone, benzisothiazolinone (BIT), butyl BIT, and octylisothiazolinone—in US residential wall paints. Methods Forty-seven paints were obtained from retailers in Minneapolis/St Paul, Minnesota....