Analyte: Bis(2-ethylhexyl) phthalate, CAS Number: 117-81-7; Analyte: Butyl benzyl phthalate, CAS Number: 85-68-7; Analyte: Di-n-butyl phthalate, CAS Number: 84-74-2; Analyte: Diethyl phthalate, CAS Number: 84-66-2; Analyte: Dimethyl phthalate, CAS Number: 131-11-3; Analyte: Di-n-octyl phthalate, CAS Number: 117-84-0 . EPA, Method: 606.