Tetradodecylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 14866-34-3

5-Methyl-2,2',4,4'-tetrachlorodiphenylmethane

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)

2,2',4,6'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,