WS (drinking water) Quantitative E.Coli - QC

Quassin, mixture of isomers w/Neoquassin and Isoquassin, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 76-78-8

18ß(H)-Olean-12-en-3-one, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 638-97-1

Ethylisopropylnitrosamine, 1000μg/ml in MeOH, 1ml