Atrazine desethyl, 100µg/mL in MeOH, 1ml

Bensulide, 10.0 µg/ml, Acetone, 10ml

PCB No. 209, 100ug/ml in IO, 1ml

Imidacloprid-d4 (imidazolidine-4,4,5,5-d4),100 µg/mL,acetonitrile,1mL,