EPA Method 507 - Internal Standard

2,2,3,4,5,6-Hexachlorobiphenyl,BZ-143

Pyrene-d10, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-52-1

1,1,1,3,10,12,12,12-Octachlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 601523-21-1