EPA Method 551 Analytes

Benzo[1,2-b;4,5-b']bisbenzofuran, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 208-37-7

Sulfadimethoxine, 100 µg/ml, Methanol, 1ml

Revised Additions Mix