6:2MonoPAPS, 50µg/mL, Solvent-acetonotrile, Unit 1mL, # of units-1, Cas.no. 150065-76-2

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light 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)

Dibenz[a,h]anthracene-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 13250-98-1

Extended Calibration/Low Level Solution; Alternate Volume, 200ul, nonane