PAH Standard

1,1,1-Trichloroethane (stabilized with 5% 1,4-dioxane), 93.5%, in ampoule,neat,neat,50mg,

Triazines, Urons & Herbicides

2,4,5-Trichloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene