2,4,6-Trichlorophenol, 100 µg/ml, Methanol, 5ml

4-n-Octylphenol, 100 µg/ml, Acetone, 1ml

1,2,3,6,7,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

2-Isopropyltoluene