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

EPA Method 537 Analyte Primary Dilution Standard, 2000ng/ml in MeOH, 1,2ml

1,2,4-Trihydroxy-9,10-anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 81-54-9

Aroclor 1254