Petroleum Marker Standard Conc

3,4-Dichloroaniline, 100 µg/ml, Methanol, 5ml

(+)-α-1S,2S,5R,6S,9S,10R-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene

Di-n-octyltin dichloride, 1000µg/ml in MeChl, 1ml