Ethoprophos, 100 µg/ml, Acetonitrile, 1ml

(E,Z)-Methomyl-d3 (N-methyl-d3),100 µg/mL,acetonitrile,1mL,

(±)-trans-11-Nor-9-carboxy-delta-9-THC, 1000µg/ml in MeOH, 1ml

ß-glucuronidase from Red Abalone