Enrofloxacin, 100 µg/ml, Methanol, 1ml

1,3,6-Tribromo-9H-carbazole, 1.2ml x 50ug/ml, nonane

Monoethyl phthalate-3,4,5,6-d4, 100µg/ml in MeOH, 1ml

Mass-Labelled PCDD Internal Standard Solution, 1.2ml, nonane