Internal Standard Stock Solution, 1.2ml, nonane

2,3,7,8-Tetrachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane

Hexamethylcyclotrisiloxane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 541-05-9

Dibenzo(a,h)anthracene, 10µg/ml in Acetonitrile, 10ml