Calibration Verification Solution , 1mL, nonane

alpha-Endosulfan, 100 µg/ml, Methanol, 1ml

1D,1D,2H,2H-1-Hydroxyperfluorododecane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

Sulfur Calibration Standard Unit: 10mL screw cap bottle or custom-made cylinders Chiron No. Matrix: Methanol Compound Concentration S-4078 0185.2 Dimethyl sulfide 5 ppm (w/w)