Atrazine, 100 µg/ml, Acetonitrile, 5ml

Methomyl, 10.0 µg/ml, Acetonitrile, 10ml

17?(H),21ß(H)-(22R)-Homohopane, 500µg/mL in Isooctane, 1mL

Bromophos-methyl, 100 µg/ml, Acetonitrile, 1ml