EPA Method 526 Standard

2,4'-DDE, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 3424-82-6

1,3,8-Tribromodibenzofuran, 1.2ml x 50ug/ml, toluene

12-Methylbenz[a]anthracene,200 µg/mL,toluene,1mL,