EPA Method 525 Surrogate Standard

cis-1,2-Dichloroethene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 156-59-2

(-)-Cotinine, 25mg

Perfluorobutyric acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2218-54-4