Barium in 20 blank oil, 1000 µg/g, 50g

epsilon-HCH (BHC)

Sulfur Standard 2 Unit: 10mL screw cap bottle Chiron No. Matrix: Methanol Compound Concentration S-4073 Di-n-propyl sulfide 0.5 ppm (w/w) Di-n-butyl sulfide 0.5 ppm (w/w)

Demeton-S-methyl, 1000µg/ml in MeOH, 1ml