Sodium perfluoro-1-[2,3,4-13C3]butanesulfonate, 50µg/ml in MeOH, 1,2ml

Dibenzo[b,k]chrysene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 217-54-9

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)

EPA Method 8250/8250A System Performance Check