Ciprofloxacin HCl monohydrate, 100μg/ml in MeOH, 1ml

2,2’,3,3’,4,4’,5,6-Octachlorobiphenyl (195)

tert-Amyl alcohol

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)