Atrazine, 100µg/mL in Acetonitrile, 1ml

Bumetanide,100 µg/mL,MeOH,1mL,

Chlorthiophos, 10.0 µg/ml, Ethyl acetate, 10ml

Decabromo[13C12]biphenyl, 50µg/ml in Nonane/50% toluene, 1,2ml