EPA Method 504 - EDB & DBCP

Phthalic acid, bis-methylglycol ester, certified, 0.25g

Dibenzo[h,s]peropyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 191-53-7

Naphthalene-d8, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 1146-65-2