2,3,5,6-Tetrabromophenol, 1.2ml x 100ug/ml, toluene

Chloroparaffin C10-C13Mix 7 in n-Heptane, 3 x 1ml

EPA Method 533 Native Primary Std. (br/linear mix), 500ng/ml in MeOH, 1,2ml

Perfluoro-n-[1,2,3,4,6-13C5]hexanoic acid, 50µg/ml in MeOH, 1,2ml