CS3 Calibration Sol Dioxin/PCB, in Nonane, 500µl

3-Amino-4-nitrobiphenyl,neat,neat,10mg,

2,4-Diisopropylphenyl diphenyl phosphate, 1.2ml x 50ug/ml, toluene

Atrazine-desethyl 100 µg/mL in Acetonitrile, 1ml