Calibration Std. #1

1H,1H-Perfluorononan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 423-56-3

Bufencarb, 100 µg/ml, Cyclohexane, 1ml

Parathion-methyl, 100µg/mL in Acetonitrile, 1ml