EPA Method 551 “Mix B”

2,2',3,4,4',5,6'-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

1,3-Dibromobenzene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 108-36-1

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)