ICP-MS Tuning Solution #1 EPA 200.8

Heptachlor-exo-epoxide, 100 µg/ml, Ethyl acetate,

Methylphosphonic acid

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