2,4´-DDT D8, 100µg/ml in Acetone, 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)

Bisphenol S (13C12, 98%), 100µg/mL in MeOH, 1,2ml

Creosote