EPA Method 502/524 Fortification Solution

Internal Standard for GC-analysis of PAH-compounds III 0768,16 3,6-Dimethylphenanthrene 0254,20 2,2’-Binaphthyl Conc: 500 µg/mL in DCM, 4.5mL in Certan, 10mL screw-cap

2,3,4,4'-Tetrachlorobiphenyl (60)

Isophorone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-59-1