Internal Standard Stock Solution, 1.2ml, nonane

Single 16 EPA-PAH Kit, toluene-1000µg/mL each, 1000µg/mL, Solvent-toluene, Unit Kit, # of units-1, Cas.no.

Atrazine-d5 (ethyl-d5),1000 µg/mL,acetonitrile,1mL,

N-Nitrosodi-n-propylamine, 1000µg/mL in MeChl, 1ml