5000 µS/cm calibration solution (230mL)

Methacrifos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 30864-28-9

Isodrin, 100 µg/ml in Isooctane, 1ml

Bromoacetic-2-13C Acid, 50mg