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CLEANUP AND ABATEM— 4T ORDER NO 5-00-704 <br />FORMER CHEVRON STATION #9-5775 <br />301 MIEST KETTLEMAN LANE <br />. LODI SAN JOAQUIN COUNTY <br />Quarterly Reporting <br />I 1 By 15 July 2000, and the 15th day of the month following each calendar quarter, submit a <br />quarterly progress report for the former Chevron Station #9-5775 site that provides the results of <br />groundwater monitoring, sample analysis and site work performed during the previous calendar <br />quarter Groundwater analysis is to include total petroleum hydrocarbons as gasoline. benzene, <br />toluene, ethyl benzene, total xylenes, ethylene dibromide, 1,2-dichloroethane, MtBE, TBA, <br />DIPS, ETBE, TAME, ethanol, and methanol The quarterly progress reports shall inzlude <br />a Groundwater elevation contour maps <br />b Pollutant concentration contour maps <br />c Groundwater purge data sheets <br />d Tabular results of current and all preN sous data <br />e Narrative describing the work presented in the report, including methodology <br />f Discussion of the status of investigation and cleanup activities <br />g Evaluation of the effectiveness of cleanup activities and an estimate of pollutants created <br />versus pollutants remaining <br />h A schedule for future activities <br />i Include data from the last three months, document treatment or disposal of an -z <br />. contaminated soil or groundwater generated during the investigation and cleanup <br />activities <br />12 If groundwater monitoring indicates the groundwater plume has migrated beyond lat--rally or <br />vertically defined limits during the quarter, the quarterly report shall include a work plan and <br />schedule, with work to begin within thirty days of report submittal, to define the new plume <br />limits <br />OW TON, aecutn e Officer <br />Dated 20 April 2000 <br />