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ATTACHMENT B <br /> FIELD AND LABORATORY PROCEDURES <br /> Laboratory Procedures <br /> Selected water samples collected will be analyzed for the presence of total petroleum <br /> hydrocarbons calculated as gasoline and diesel, benzene, toluene, ethylbenzene, and xylenes <br /> using modified EPA Methods 8015 and 8020 Fuel oxygenates will be analyzed by EPA <br /> Method 8260B Standard methods were used for inorganic parameters including DO, ORP, <br /> conductivity, pH, total alkalinity, dissolved iron, manganese, sulfate, nitrate, ferrous iron, <br /> TOC and COD <br /> Purge Water <br /> Water generated during sampling of the groundwater wells will be temporarily stored in <br /> DOT-approved 55-gallon drums pending transport by the disposal contractor to an <br /> appropriate d,sposal or treatment facility <br /> 1 <br /> I <br />