1,2,3,5-Tetrachloronaphthalene, 1.2ml x 50ug/ml, nonane

2-Acetylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

EPA Method 8260 Internal Standard - Revised

2,2',3,4,4',5,5'-Heptachlorobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 35065-29-3