4,4'-DDT (ring-13C12), 100ug/ml in n-Nonane, 1,2ml

Carbazole-d8, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 97960-57-1

3,5-Dinitrotoluene, 100µg/ml in MeOH, 5ml

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)