Dichlofenthion, 100 µg/ml, Ethyl acetate, 5ml

4,4'-Dibromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

4,4'-Difluorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 457-68-1

Calibration Standard Mix 1