EPA Method 500 Series Internal Std #4

Phenanthrene-d10, 1000µg/ml in MethyleneChloride, 1ml

3,4-Dichlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 95-77-2

2,3-Dichlorobiphenylene, 1.2ml x 1x10-4M, dimethylsulfoxide