1-Naphthol, 100µg/ml in Acetonitrile, 5ml

Benzo(g,h,i)perylene-d12, 1000µg/ml in Methylen Chloride, 1ml

Benzoestrol, 10mg

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)