Toxaphene Parlar-No. 50, 1µg/mL in Cyclohexane, 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)

n-Butyl iso-butyl phthalate (n-Butyl 2-methylpropyl phthalate), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17851-53-5

2,2',3,3',5,5',6,6'-Octachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane