6020Low Intermediate Standard

2,2’,5-Trichlorobiphenyl (18)

Sodium perfluoro-6-methylheptanesulfonate, 1.2ml x 50ug/ml, methanol

Chlorpyrifos, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 2921-88-2