Dihydro-ethoxyquin, 10mg

1,2,4-Trichlorobenzene, 100 µg/ml, n-Hexane, 5ml

2,3,4,6,7,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

n-Hydrocarbon Standard (C5-C18), 2000µg/ml in MeOH, 1ml