Quinalphos, 100 µg/ml, Acetonitrile, 1ml

4-n-Propylphenol-d12, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 352431-21-1

1,2,3,4,6,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

4-Ethylguaiacol