EPA Method 502/524 Surrogate Standard #2

Heptaphene, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 222-75-3

2-Methoxy-1-propanol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1589-47-5

Sulfaphenazole, 100mg