ASTM Benzene Amp#4

2,3,4,4,5,5-Hexachlorobiphenyl,BZ-167

2,7-Dinitrofluorene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 5405-53-8

2,2,6,6-Tetrachlorobiphenyl (BZ-54)