2,3,3',4,4',5,5'-Heptachlorobiphenyl (189)

Dimethyldistearylammonium chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 107-64-2

2,3,4',5-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

EPA Method 8310 Surrogate Standard