Prosulfuron, 10.0 µg/ml, Acetonitrile, 10ml

2-Nitrofluorene, 100µg/ml in Toluene, 1ml

1,3,5-Trichlorobenzene, 100 ng/µl, 1ml

Sodium perfluoro-1-nonanesulfonate, 1.2ml x 50ug/ml, methanol