2,4,5-T, 250mg

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)

Mass-Labelled PCB Solution , 1.2ml x 100ng/ml, nonane

17 alpha(H),21ß(H)-Hopane, 100µg/mL in Isooctane, 1ml