Triphenyl phosphate, 1.2ml x 50ug/ml, toluene

4-n-Octylphenol monoethoxylate,10 µg/mL,acetone,1mL,

N-Nitrosodi-n-propylamine, 2000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 621-64-7

1,2,3,7,8,9-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene