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NIONITORING AND REPORTING PROGF 4LNM -4- <br />CITY OF STOCKTON <br />AUSTIN ROAD LANDFILL GROUNDWATER TREATMENT SYSTEM , - <br />SAN JOAQUNT COUNTY <br />REPORTING <br />Monitoring results shall be submitted by the 20th day of the month following each -calendar <br />quarter. <br />In reporting the monitoring data, the Discharger shall arrange the data in tabular form so that the <br />date, the constituents, and the concentrations are readily discernible. The data shall be <br />summarized in such a manner to illustrate clearly whether the discharge complies with waste,, <br />discharge requirements. <br />If the Discharger monitors any pollutant at the locations designated herein more frequently than <br />is required by this Order, the results of such mbnitoring shall be included in the calculation and <br />reporting of the values required in the discharge monitoring report form. <br />Annually, by 30 January, Lie Discharger shall submit a report evaluating the effectiveness and <br />progress of the groundwater cleanup, including at a minimum: both tabular and graphical <br />summaries of the monitoring data obtained during the previous year; trends in the concentrations <br />of the pollutants in groundwater monitoring wells; whether the contaminant plume is being <br />ANIL captured -by the extraction system or is continuing to spread; plans for improvements to the <br />groundwater monitoring, extraction or treatment system; status of any other cleanup activitiessuch as soil excavation or soil venting systems; and the anticipated date for completion of <br />cleanup activities. The annual report shall also include the reasons for and durations of all <br />interruptions in the operation of the treatment systems. <br />All reports submitted in response to this Order shall comply with the signatory requirements of <br />Standard Provision D.6. <br />The Discharger shall implement the above monitoring program on the °first day of the month <br />following* effective date of this Order. <br />Ordered by: <br />?� GARY M. CARLTON, Executive Officer <br />5 June 1998 <br />Date <br />PHL:pl:njs <br />Amended 5 June 1998 <br />CS 005429 <br />City of Stockton 140855-0006 <br />