Nitrofen, 100 µg/ml, Ethyl acetate, 1ml

N-Nitropiperazine, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no.

1,2,3,4,6,7,8-Heptabromodibenzofuran, 1.2ml x 25ug/ml, toluene

EPA Method 8260B Surrogate Standard