3,4,5-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane

D9-Chlormequat Chloride, 100 µg/ml , Deuterium ox

OFN 2fg/uL in isooctane 3 x 1mL

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)