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MONITORING AND NPORTING PROGRAM 6 <br /> FOR THE CLOSURE OF <br /> HARNEY LANE CLASS III LANDFILL <br /> SAN JOAQUIN COUNTY <br /> 1) If 10% or more of the samples taken during a given Reporting Period from the <br /> background monitoring points for a monitored medium exceed their respective <br /> facility-specific Method Detection Limit [MDL]" for a given constituent, then the <br /> Concentration Limit for that medium and constituent shall consist of the mean (or <br /> median, as appropriate) and standard deviation (or other measure of central <br /> tendency, as appropriate) of all the background data obtained for that constituent <br /> from that medium during that Reporting Period; otherwise <br /> 2) the Concentration Limit for that medium and constituent shall be its MDL. <br /> The concentration limits are shown in the following table: <br /> CONCENTRATION LIMITS <br /> Concentration Limit <br /> Constituent Units MW-1 MW-2 MW-3 MW-4 <br /> Specific Conductance (EC) µmhos/cm 344 420 336 1399 <br /> pH pH units 6.61-8.13 6.55-7.99 6.74-7.96 6.36-8.10 <br /> Total Dissolved Solids(TDS) mg/L 265 320 278 886 <br /> Total Kjeldahl Nitrogen mg/L 22 175 10 7.87 <br /> Chloride mg/L 19 27 29 N/A <br /> VOCs (EPA 601 and 602) gg/L Detect Detect Detect Detect <br /> Sulfate mg/L 28 14 12 38 <br /> Nitrate as N * mg/L — — — — <br /> Arsenic, dissolved mg/L 0.025 0.025 0.025 0.025 <br /> Barium, dissolved mg/L 2.5 2.5 2.5 0.764 <br /> Cadmium,dissolved mg/L 0.015 0.015 0.015 0.015 <br /> Calcium, dissolved mg/L 43 32 30 178 <br /> Chromium, total dissolved mg/L 0.025 0.025 0.025 0.025 <br /> Copper, dissolved mg/L 0.05 0.05 0.05 0.05 <br /> Lead,dissolved mg/L 0.01 0.01 0.01 0.01 <br /> Magnesium, dissolved mg/L 22 17 12 85 <br /> Manganese, dissolved mg/L 0.025 0.025 0.025 0.025 <br /> Selenium, dissolved mg/L 0.025 0.025 0.025 0.025 <br /> Silver, dissolved mg/L 0.05 0.05 0.05 0.05 <br /> Sodium, dissolved mg/l. 64 34 54 126 <br /> Zinc, dissolved mg/L 0.05 0.05 0.05 0.05 <br /> * To be monitored quarterly for 1-year in order to determine a concentration limit. <br /> MONITORING POINTS <br /> Monitoring Points (including background) for detection monitoring shall be those <br /> listed in this Monitoring and Reporting Program and shown on Attachment B. <br /> Surface Water: S-1 and S-2 <br /> Ground Water: MW-1, MW-2, MW-3, and MW-4 <br />