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MONITORING AND REPORTING PROGRAM NO. R5-2010-0016 -12- SAN JOAQUIN COUNTY DEPARTMENT OF PUBLIC WORKS NORTH COUNTY LANDFILL SAN JOAQUIN COUNTY <br /> <br /> <br /> <br />Sampling Point Sampling Location Source of Flow Type <br />SW-11 Representative upstream location Runon or direct rainfall Runon SW-2 Outfall to eastern perimeter ditch ISB Runoff <br />SW-32 Outfall to South Paddy Creek - Upstream Eastern Perimeter Ditch Runoff <br />SW-4 Outfall to South Paddy Creek - Down stream Western Perimeter Ditch Runoff <br />SW-53 SW Outfall to natural drain Western Perimeter Ditch Runoff <br />SW-63 SW Outfall to natural drain Southern perimeter ditch Runoff <br />__________________________________ 1. SW-1 may be any upstream location in the storm water drainage system representative of background storm water conditions. 2. No sampling required at this monitoring point if at time of sampling only source of flow is that from SW-2. 3. Future discharge locations. <br />The results of storm water monitoring for these constituents shall be summarized in the monitoring reports submitted under this Order. If there is no discharge from the site during the monitoring period, or the Discharger did not obtain samples of the discharge, the Discharger shall state the reasons and circumstances in the monitoring report. 2. Surface Water Surface water sampling shall be collected at upstream monitoring point S-1 and down stream monitoring point S-2, as shown on Attachment B: Site Map. Monitoring shall be conducted for the parameters and constituents, and at the corresponding frequencies, listed in Table F.3.c, except for Redox potential, which need not be monitored. Creek elevation may be estimated based on observation. <br />H. REPORTING <br />1. Records The Discharger shall retain records of all monitoring information, including all calibration and maintenance records, all original strip chart recordings of continuous monitoring instrumentation, copies of all reports required by this Order, and records of all data used to complete the application for this Order. Records shall be maintained throughout the life of the facility including the postclosure period. Such legible records shall show the following for each sample: