EPA Method 8141 Surrogate Standard

Clofibric acid, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 882-09-7

1,2,3,4,6,7,8-Heptachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

1,2-Propanediol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 57-55-6