Methidathion, 10.0 µg/ml, Acetonitrile, 10ml

pH 7.01 buffer solution (box of 25x20mL sachet)

Flumequine,neat,neat,250mg,

1,2,3,4,6,8,9-Heptachlorodibenzofuran, 1.2ml x 50ug/ml, toluene