EPA Method 502/524 Surrogate Standard #2

Native Stock PCDDs and PCDFs, 1.2ml, nonane

Dimethyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93951-89-4

meso-Tetraphenylporphyrine, , Solvent-, Unit , # of units-, Cas.no. 20998-75-8