2,3,3',5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

U{13C22}-Roquefortine C, 25µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.

Bifenox, 1000µg/ml in MeOH, 1ml

Endosulfan (alpha and beta), 100 ng/µl, 1ml