PCB No. 204, 100µg/ml in Isooctane, 1ml

Chlormephos, 100 µg/ml, Ethyl acetate, 5ml

1,6-Dinitropyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 42397-64-8

Tetrachloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2539-17-5