o-Toluidine, 100 µg/ml, Methanol, 5ml

17 alpha(H)-22,29,30-Trisnorhopane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53584-59-1

4-n-Nonylphenol (ring13C6), 10µg/ml, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no.

2,3,4,6,7,8-Hexachlorodibenzofuran ,50 µg/mL,n-nonane,1mL,