2,3,4,4'-Tetrachlorobiphenyl (60)

Dibenzo[a,i]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 189-55-9

EPA Method 8330Mix #1

Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml