Propachlor ESA sodium salt, 100µg/ml, Acetonitrile, 1ml

4,6-Dinitro-2-methylphenol

1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL,

Method 200.8 / 1638 / 1640 Internal Standard, in 2%-HNO3/Water, 4x25ml