Isoxathion, 10 µg/ml, Ethyl acetate, 10ml

Menthol, 1000µg/ml in MeOH, 1ml

2-Methylphenol, 100 µg/ml, Acetonitrile, 1ml

2,3,4,7,8-Pentabromodibenzofuran, 1.2ml x 50ug/ml, toluene