Isazofos, 100 µg/ml, Ethyl acetate, 5ml

1,2,3,7,8-Pentabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Nitrite (NO2-) as N, 100µg/ml in Water, 100ml

4-Chloro-3,5-dimethylphenol, 250mg