1,2,3,4-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

2-Perfluorooctyl-[1,1-2H2]-[1,2-13C2]-ethanol (8:2), 50µg/ml in MeOH, 1,2ml

4-n-Nonylphenol-2,3,5,6-d4-OD, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 358730-95-7

2,2',5,5'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane