EPA Method 508 Surrogate Standard

1,2,6,9-Tetramethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 204256-39-3

2,4'-Dichlorobenzophenone, 100 µg/ml, Ethyl aceta

2-Bromophenol