Figure 4: GC-MS/MS MRM chromatograms of matrix blank sample (a) and sample spiked with analytes at 5 μg/g (b). Peak identities are as follows: (1) dibutyl phthalate (DBP); (2) benzyl butyl phthalate (BBP); (3) bis(2-ethylhexyl) adipate (DEHA); (4) bis(2-ethylhexyl) phthalate (DEHP); (5) di-n-octyl phthalate (DNOP); (6) dioctyl terephthalate (DOTP); (7) diisononyl phthalate (DINP); (8) diisodecyl phthalate (DIDP); IS, benzyl benzoate (BB).