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2. AOAC Official Method 998.01: Synthetic pyrethroids in agricultural products multiresidue gas chromatographic method for grains. Chap 10, pp 65-67
3. AOAC Official Method 970.52: Organochlorine and Organophosphorus Pesticides residues in Soil- General Multiresidue Method, Chap 10, pp 2-10
4. AOAC Official Method 990.06: Organochlorine Pesticides in Water, Multiresidue Gas Chromatographic Method, Chap 10, pp 14-18
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