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CLEANUP AND ABATEM._.sT ORDER NO. 5-00-704 S <br /> FORMER CHEVRON STATION #9-5775 <br /> 301 WEST KETTLEMAN LANE <br /> DI, SAN JOAQUIN COUNTY <br /> Quarterly Reporting <br /> 1 i By 15 July 2000, and the I Sth 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 /> DIPE, ETBE, TAME, ethanol, and methanol The quarterly progress reports shall include <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 previous 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 treated <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 any <br /> contaminated soil or groundwater generated during the investigation and ckamup <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 It <br /> TON, Executive Officer <br /> Dated. 20 April 2000 <br />