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MONITORING AND REPORTING PROGRAM -5- <br /> CLOSURE AND POST CLOSURE MAINTENANCE <br /> JOHNS-MANVILLE MANUFACTURING COMPANY, INC. <br /> UNCLASSIFIED LANDFILL <br /> SAN JOAQUIN COUNTY <br /> TABLE <br /> SURFACE WATER MONITORING PARAMETERS / FREQUENCY <br /> Parameter Units Frequency <br /> Field Parameters <br /> Temperature °C Semi-annually' <br /> Specific Conductance umhos / cm Semi-annually' <br /> pH pH units Semi-annually' <br /> Turbidity Turbidity units Semi-annually' <br /> Monitoring Parameters <br /> Total Dissolved Solids (TDS) mg/L Semi-annually' <br /> Chlorides mg/L Semi-annually' <br /> Asbestos Fiber Content for fibers/1 Semi-annually' <br /> fibers > 10 microns <br /> Constituents of Concern <br /> ICP Metals (26 metals) mg/L 5-years <br /> (EPA Method 6010 and 7000 series) <br /> 1- To be monitored quarterly for the first year and semi-annually thereafter. <br /> Report all peaks discovered by the EPA test methods. Metals shall be analyzed and reported as <br /> totals (except for chromium). Selenium, arsenic, and mercury analyses shall be done by atomic <br /> absorption (AA). <br /> During the first year of monitoring, the monitoring frequency shall be quarterly as indicated <br /> in the above tables. In the second year, the frequency shall be reduced to semi-annually. In <br /> addition, each well shall be sampled annually for asbestos at the same time surface water <br /> samples for asbestos are taken. The samples shall be analyzed for asbestos fiber content for <br /> fibers greater than 10 microns. <br />