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FIELD NOTES <br />' RANCH MARKET <br /> March 4, 2004 <br /> Mobilized to site to attempt to increase performance of the pump Rob Larson of Mako met me <br /> at the site ` <br />' Hours =4589 at 9 45 am <br /> Upon arrival <br /> Flow= 80 cfm <br /> Vacuum=45" H2O <br /> Checked the valves on skid to be sure the dilution or recirculation valves were not open The <br /> check confirmed they were both closed Compared flow calculated from anamometer—vs— <br /> digital flow read out on skid The flows were within 10 cfm of each other We opened the system <br /> to the atmosphere to check the maximum flow rate We were able to get the flow rate up to 240 <br /> cfin We concluded that the system was operating without flaw or errors <br />' To improve the blower perfonnance it is possible to install a different pulley configuration to <br /> increase the power of the blower, thereby, increasing flow rate and vacuum The system is rated <br /> for 250 cfi-n at a maximum vacuum of 15" Hg(210" H20) <br /> in the pumps ability to achieve maximuin vacuum we closed the manifold off to one <br /> To determine p p ty , <br /> well at a time (between V2, V3, V5, and V6) We were able to achieve maximum vacuum in <br /> wells V2 and V3 (each produced water rapidly when at full vacuum) Well V6 was the most <br /> transmissive producing the lowest vacuum of approximately 140" Hg <br />' Collected influent samples fit om individual wells to determine the hottest wells <br /> PID <br /> V2-78 <br />' V3 —55 <br /> V5 - 150 <br /> V6—240 <br /> Opend the manifold to V5 and V6 only <br /> Flow— 174 <br /> Vacuum—60" H2O <br /> Influent PID— 150 <br /> Left system running to wells V5 and V6 Will check PID readings periodically on the individual <br />' wells and rotate the vacuum throughout the field in pairs of wells This will be an attempt to <br /> knock concentrations down quickly to the point that we can utilize a skid mounted blower with <br /> knockout and route through GAC <br />