a-Cholestane, 100mg

Atrazine-desisopropyl, 10.0 µg/ml, Acetonitrile,

Canadian Atlantic RBCA EPH Surrogate Standard

2,3,3',4,5,6-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 41411-62-5