EPA Method 504 - EDB & DBCP

9H-Perfluorononanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 76-21-1

gamma-HCH, 10 µg/ml, Acetonitrile, 10ml

Tolchlophos-methyl,100 µg/mL,MeOH,1mL,