Norethisterone, 100µg/mL in Acetonitrile, 1ml

Secbumeton, 10.0 µg/ml, Acetonitrile, 10ml

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)

2,3',4,4',5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane