Laserfiche WebLink
TABLE 5 <br /> Unsaturated Zone Soil Pore Gas T014 Monitoring Results <br /> Second Semester 2011 <br /> Foothill Sanitary Landfill <br /> SG Soil Gas Methane Carbon Oxygen Number of Highest VOC of Highest <br /> Well Probe Content Dioxide (%) Compounds Concentration Concentration <br /> (%) (%) Found PPB <br /> v/v <br /> 01 Single 0.5 0.5 16.3 5 14000 Toluene <br /> 02 Single 0.0 0.4 16.5 6 120 Ethanol <br /> 03 Single 0.0 2.4 16.7 6 190 Ethanol <br /> 04 Single 0.0 4.7 11.8 7 85 Ethanol <br /> 05 Single 0.0 0.6 18 2 27 Ethanol <br /> 06 Single 0.0 3.9 12.4 7 350 Freon 12 <br /> 07 Single 0.0 0.5 16.5 4 870 Ethanol <br /> 09 Single 0.0 0.5 18 2 32 Ethanol <br /> ® 10 Single 0.0 4.1 6.5 6 100 Freon 12 <br /> 11 Single 3.2 14 0.3 12 230 Freon 12 <br /> TO-14 Sampling Date: July 29, 2011 by SCS Engineers <br /> Monitoring Probe Sampling Date for Methane, Carbon Dioxide, and Oxygen: July 29, 2011. <br /> Note: Sampling protocol provides for sampling from the one probe at each well that most likely to have the <br /> highest VOC concentration. See Appendix J for major gasses composition at all soil gas probes <br /> NS = Not sampled <br /> ND= Not detected <br /> Foothill Sanitary Landfill 17 Department of Public Works/Solid Waste <br /> 2nd Semester and Annual 2011 Groundwater Monitoring County of San Joaquin—January 31,2012 <br />