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TABLE 2 (Continued) <br /> FOOTHILL SANITARY LANDFILL <br /> SECOND SEMESTER 2007 GROUNDWATER MONITORING RESULTS <br /> (Units mg/I unless noted) <br /> Sampling Designation MW-1 MW-2R MW-3 MW-4 MW-5 Conc. <br /> Sam lin Date 7/23/07 7/23/07 7/23/07 7/23/07 7/23/07 Limits <br /> 5-Year COCl <br /> Semivolatile Or anic Com ounds (ua/1) EPA Method 3520/8270 <br /> Di-n-but 1 Phthalate NR NR NR 0.0023*} {0.0037*1 Detect <br /> All Other Com ounds NR NR NR ND ND Detect <br /> Organochlorine Pesticides and Polychlorinated Bi hen I's EPA Method 3510/8080 <br /> All Com ounds I NR NR I NR ND ND Detect <br /> Or ano hos hate Pesticides EPA Method 8141A <br /> Fensulfothion NR NR NR ND 0.00033* NR <br /> All Other Compound NR NR NR ND ND 9.8 <br /> Chlorinated Herbicides EPA Method 8151 A <br /> All Compounds NR NR NR ND ND 6.7 <br /> Chloro henox Herbicides EPA Method 8151 A <br /> All Compounds NR NR NR ND ND 280 <br /> Metals <br /> Aluminum, Dissolved NR NR NR 0.02 0.02 0.1 <br /> Antimony, Dissolved NR NR NR 0.0085 0.0091 0.0138 <br /> Arsenic, Dissolved NR NR NR 0.00212 0.00135 3 <br /> Barium, Dissolved NR NR NR 0.0371 0.0638 0.095 <br /> Beryllium, Dissolved NR NR NR 0.0002 0.0002 NE <br /> Boron, Dissolved NR NR NR NR NR NE <br /> Cadmium, Dissolved NR NR NR 0.0006 0.0007 0.0036 <br /> Chromium, Dissolved NR NR NR 0.0047 0.0029 0.02 <br /> Chromium, Hexavalent NR NR NR NR NR NE <br /> Cobalt, Dissolved NR NR NR 0.002 0.002 NE <br /> Copper, Dissolved NR NR NR 0.007 0.002 7 <br /> Iron, Dissolved NR NR NR 0.0049 0.0044 0.05 <br /> Lead, Dissolved NR NR NR 0.02 0.02 0.0198 <br /> Manganese, Dissolved NR NR NR 0.0003 0.0003 2.8 <br /> Mercury, Dissolved NR NR NR 0.00003 0.00003 0.0002 <br /> Nickel, Dissolved NR NR NR 0.002 0.002 0.0106 <br /> Selenium, Dissolved NR NR NR 0.0005 0.0005 0.036 <br /> Silver, Dissolved NR NR NR 0.006 0.006 0.0026 <br /> Thallium, Dissolved NR NR NR 0.00001 0.000005 0.024 <br /> Tin, Dissolved NR NR NR 0.006 0.0078 NE <br /> Vanadium, Dissolved NR NR NR 0.0158 0.0186 0.04 <br /> Zinc, Dissolved NR NR NR 0.007 0.007 6 <br /> ND = Not Detected <br /> NE = Not Established due to > 50% non-detects <br /> NR= Not Requested <br /> [1] = Not Established due to > 50% non-detects <br /> *=Trace concentration (estimated value) <br /> {}= Parameter also detected in one or more quality control blanks <br /> Foothill Sanitary Landfill 15 Department of Public Works/Solid Waste <br /> 2ntl Semester and Annual 2007 Groundwater Monitoring County of San Joaquin-January 31,2008 <br />