2,3-Dichloronitrobenzene, 250mg

N,N-Dimethylformamide

Bis(2-ethylhexyl)-3,4,6-tribromo phthalate,50 µg/mL ,toluene,1mL,

EPA Method 537 Native Primary Std (br/l mix), 2µg/ml in MeOH, 1,2ml