EPA Method 8081A Pesticide Standard B

2,4-Dichlorobiphenyl, 100µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 33284-50-3

Endosulfan-sulfate, 100 µg/ml, Methanol, 1ml

beta-D-Lactose