EPA Method 551.1 Surrogate Standard

3,3',5,5'-Tetrabromobisphenol A bispropionate,50 µg/mL,toluene,1mL Certan,

Aldrin, 10.0 µg/ml, Acetonitrile, 10ml

2,2,3,3,4,4,6-Heptachlorobiphenyl,171