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0 1. <br />PURPOSE <br />The purpose of this document is to comply with Part 40, Section 98, Subpart HH of the Code of <br />Federal Regulations at the Foothill Sanitary Landfill, for the estimation of greenhouse gas <br />(GHG) emissions from municipal solid waste landfills. <br />rrIIIIIIIIIIIIIIIIIIIN • • _ •� <br />A. Daily <br />Refuse Disposal <br />Refuse disposal is measured by weighing incoming refuse on the scales at the landfill. The <br />County provides monthly and annual summaries of refuse disposed. <br />The scales are calibrated at least annually by San Joaquin County Department of Weights and <br />Measures. <br />1=��i�[7a7R1 <br />See weekly data sheet, attached. <br />1. Moisture Content <br />Moisture content is calculated from the temperature of the LFG as it enters the flare station, <br />assuming 100% humidity. <br />Measure the temperature of incoming gas near the main inlet valve (Figure 1, 2, 3, and 4), <br />record this data on the weekly data sheet. <br />Calibrate the temperature sensor annually by removing it from the pipe and placing it in ice <br />water. The meter should read between 32 and 35 deg F. Place the temperature sensor in <br />boiling water. The meter should read between 210 and 215 deg F. Discard and replace the <br />meter if the temperature meter does not read within these ranges <br />2. LFG Flow Rate and Cumulative Volume <br />The LFG flow rate and cumulative volume is measured near -continuously at the flare station, <br />recorded in the control panel (Figures 1, 2 and 3). Cumulative volume is used to calculate the <br />daily average LFG flow rate. <br />0 <br />Subpart HH Greenhouse Gas Plan 2 Foothill Landfill <br />April 1, 2010 San Joaquin County <br />