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Quarterly Report - Third Quarter 2004 <br /> GEWEKE LAND DEVELOPMENT & MARKETING <br /> 16 South Cherokee Lane, Lodi, California <br /> 1.0. INTRODUCTION AND SCOPE OF WORK <br /> At the request of Mr Dale Gillespie of G-REM, and in accordance with Cleanup and Abatement <br /> Order No 93-701, Advanced GeoEnvironmental, Inc (AGE) has prepared this report of <br /> environmental activities performed at 16 South Cherokee Lane, Lodi, California during the Third <br /> Quarter of 2004 The scope of work included connecting ozone wells OW-1,OW-2 and OW-3 with <br /> an ozone generator, the performance of a quarterly ground water monitoring event and the <br /> preparation of this report The site and its surroundings are illustrated on Figure 1 Monitoring wells, <br /> remediation wells and boring locations related to the site are shown on Figure 2 <br /> Results of previous investigations are detailed in the Problem Assessment Report (PAR), the <br /> Quarterly Report-March 1996 and the Quarterly Report-March and June 1999 Analytical results <br /> for ground water samples from previous monitoring events are included in Table 3 of this report <br /> 2.0. PROCEDURES <br /> . On 09 and 10 September 2004, ozone infection wells OW-1, OW-2 and OW-3 were connected to <br /> an ozone generator using tubing extended through underground piping Field work was performed <br /> as outlined in the AGE-prepared Ozone Pilot Study Work Plan, dated 13 November 2003 <br /> On 09 September 2004, twenty three on- and off-site ground water wells were monitored for depth <br /> to water and fourteen monitoring wells (MW-7, MW-8, MW-9, MW-11, MW-12 and MW14 <br /> through MW-22) were sampled Field work was performed in accordance with the Central Valley <br /> Regional Water Quality Control Board (CVRWQCB)Revised Monitoring and Reporting Program <br /> dated 27 June 2001 <br /> 21 OZONE SYSTEM INSTALLATION <br /> An ozone generator was connected to the ozone wells using 0 5-inch diameter nylon tubing extended <br /> through 314-inch diameter schedule 40 PVC under ground piping The under ground piping was <br /> placed approximately 12 inches below surface grade(bsg) One piece of tubing extends underground <br /> from each ozone well head to a stainless steel distribution manifold connected to the ozone generator <br /> and air compressor, located along the northern boundary of the site A 12-foot by 6-foot fenced <br /> enclosure is located along the northern boundary of the site to secure the ozone generator Ozone <br /> well and system locations are shown on Figure 2 <br /> Advanced GeoEnvi ron mental,Inc <br />