WS Disinfection By-Products - Cal Check 1

D5-Propachlor ESA sodium salt, 100µg/ml in Acetonitrile, 1ml

tert-Amyl methyl ether, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 994-05-8

Hexacosanoic acid (Cerolic acid), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.