PBDE Congeners, in Isooctane, 1ml

2,2',3,4,4',6,6'-Heptachloro-3'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Semi-Volatile Internal Standard

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)