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k".01 %./ <br />Soil samples submitted for analysis will be selected based <br />on obvious signs of contamination (i.e. PID readings and <br />soil discoloration). Selected samples will be analyzed for <br />benzene, toluene, ethylbenzene, xylenes (BTEX), total <br />petroleum hydrocarbons as gasoline (TPHG), total petroleum <br />hydrocarbons as diesel (TPHD), and organic lead (OL). Due <br />to the high probability that groundwater has been impacted <br />at this site the analytical results for the soil samples <br />collected from the capillary fringe will be of particular <br />importance since any free product present will collect along <br />this boundary. The samples will be collected, preserved and <br />transported under chain -of -custody in accordance with <br />WaterWork's Soil Sampling Protocol (Appendix I). <br />Samples will be analyzed by Applied Analytical Laboratories <br />(DOHS Certification ##153), using EPA 8020/8015 and 7421 <br />methodologies. <br />Subsequent to installation and well development, water <br />samples will be collected from the monitoring wells after <br />purging, by pneumatic pump, a minimum of four well volumes <br />(casing and sand pack) from each well. Stabilization of <br />electric conductivity, pH and temperature will be checked to <br />ensure that samples collected are representative of <br />formation water. The purged water will remain on-site, in <br />secured 55 gallon drums, until laboratory results are <br />received. A proposal for treatment or disposal of the water <br />produced during development will then be prepared. Water <br />sample collection and preservation will be in accordance <br />with WaterWork's Groundwater Sampling Protocol (Appendix I). <br />The water samples will be analyzed by Applied Analytical <br />Laboratories. BTEX, TPHG, TPHD, and OL by EPA 8020/8015 and <br />7421 methodologies. <br />A Problem Assessment report will be prepared according to <br />Regional Board guidelines summarizing the findings of the <br />investigation and recommending further action, as <br />appropriate. The field investigation will be conducted <br />under the direct supervision of Russell Juncal, Registered <br />Geologist No. 3864, who will also review and sign the report. <br />3 <br />