WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml

1,1,1-Trichloro-2-(2-chlorophenyl)-2-(4-chlorophenyl)ethane, 1.2mL x 100ug/mL, nonane

3,3',5,5'-Tetrabromobisphenol-A, 50µg/ml in MeOH, 1,2ml

All-rac-alpha-tocopherol for peak ident., 50mg