15N3-Atrazine-desethyl, 100 µg/ml, Acetonitrile,

Isobutylbenzene

Benz[a]anthracene-d12, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1718-53-2

Alkalinity as Calcium Carbonate, 1000µg/ml in Water, 100ml