84 µS/cm calibration solution (230mL)

4-tert-Octylphenol, 100µg/ml in MeOH, 1ml

2,2',3,4,4',5,6,6'-Octachlorobiphenyl, 100 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 74472-52-9

Pesticide Standard