84 µS/cm calibration solution (230mL)

Fenthion-sulfoxide, 100µg/ml in Cyclohexane, 5ml

2-Methyl-1-hexylcyclohexane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 92031-89-5

n-Propanol, 1000µg/ml in MeOH, 1ml