PCB No. 157, 10µg/ml in Isooctane, 10ml

Pymetrozine, 100 µg/ml, Acetonitrile, 5ml

Ethanol standard in serum,0.2g/L,serum, 1.5mL

Bisanthone, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 475-64-9