TOC Calibration Standard (C)

2,7-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane

2,2',3,4,4',5',6-Heptabromodiphenyl ether, 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)