Mexacarbate,100 µg/mL,MeOH,1mL,

Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane

Native PFAS Precision and Recovery Standard, 1000ng/ml in MeOH, 1,2ml

4-Aminobiphenyl, 100 µg/ml, Acetonitrile, 1ml