n-Nonadecane, ?13C: -34.60, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-92-5

Di-n-octyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 117-84-0

D3-Ipronidazole, 10mg

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)