EPA Method 525 Surrogate Standard

Sulfamethoxazole, 100 µg/ml, Methanol, 1ml

Desmetryn, 100μg/ml in Acetonitrile, 5ml

5H-Benzo[b]carbazole, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 243-28-7