Estrone, 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)

1-/3-Nitrobenzo[e]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 91259-16-4 / 81340-58-1

1,3,6,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene