EPA Method 502/524 Surrogate Standard #1

Calibration Kit; Alternate Volume, 6 x 200ul, nonane

6-Chloro-4-(2-chlorophenyl)-2-quinazoline carboxaldehyde, neat, Solvent-neat, Unit 25mg, # of units-, Cas.no. 93955-15-8

Endosulfan-sulfate, 100 µg/ml, Acetonitrile, 5ml