Formothion, 100 µg/ml, Ethyl acetate, 1ml

2-Bromo-3,7,8-trichlorodibenzo-p-dioxin (>95%), 1.2ml x 48ug/ml, toluene

Ketoprofen, 100 µg/ml, Methanol, 1ml

Monocrotophos, 100 µg/ml, Acetonitrile, 5ml