2,3,3',4,4',5,5'-Heptachlorobiphenyl (189)

1-Butanethiol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 109-79-5

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)

Norcodeine hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 14648-14-7