4,4’-DDD

Chlorpyrifos-methyl, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 5598-13-0

3-Bromodiphenyl ether, 1.2ml x 50ug/ml, nonane

Internal Standard Stock Solution, 1.2ml, nonane