4,4'-DDD, 100 µg/ml, Acetonitrile, 5ml

n-Nonylbenzene-2,3,4,5,6-d5, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20216-93-7

Bromochloroacetic acid

Potassium perfluoro-1-butanesulfonate, 1.2ml x 50ug/ml, methanol