Figure 2

GC–MS chromatograms in SIM mode for plasticizer-specific ion fragments. These are m/z 293 for DINP in sample P97 and sample P86, m/z 307 for DIDP in sample P86 and m/z 155 for DINCH in sample P83.

GC–MS chromatograms in SIM mode for plasticizer-specific ion fragments. These are m/z 293 for DINP in sample P97 and sample P86, m/z 307 for DIDP in sample P86 and m/z 155 for DINCH in sample P83.