(+/-)Atenolol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 29122-68-7

1,4,8-Trimethylcarbazole

1,2,3,6,7-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

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)