Omethoate, 100µg/mL in Acetone, 1ml

Phenylbutazon, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 50-33-9

PCB No. 47, 100µg/ml in Isooctane, 1ml

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)