Analyte: o-Cresol, CAS Number: 95-48-7; Analyte: m-Cresol, CAS Number: 108-39-4; Analyte: p-Cresol, CAS Number: 106-44-5; Analyte: 2,6-Dichlorophenol, CAS Number: 87-65-0; Analyte: Hexachlorophene, CAS Number: 70-30-4; Analyte: 2,3,4,6-Tetrachlorophenol, CAS Number: 58-90-2; Analyte: 2,4,5-Trichlorophenol, CAS Number: 95-95-4; Analyte: Dinoseb, CAS Number: 88-85-7 . EPA, Method: 8270D.