Paraquat dichloride, 100 µg/ml, Water, 1ml

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)

17ß(H),21ß(H)-25,28,30-Trisnorhopane (in mixture with 2632.27 (ß alpha-)), neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 92692-42-7

4-Methyl-1-pentanol