Laserfiche WebLink
Table 4 <br />First Quarter 2014 Total Mass VOC Results and Compliance Summary <br />Austin Road Landfill <br />Contour Interval (ug/L) <br />1 -22.89 <br />Average Concentration Across <br />10.95 <br />Contour (ug/L) <br />Aquifer Area (ft) <br />5,929,123.36 <br />Aquifer Volume (ft) = Aquifer Area <br />237,164,934.40 <br />x Thickness (40 feet) <br />Conversion to Aquifer Volume (L) _ <br />1 ft3 = 28.317 L/ft3 <br />6,715,799,447.40 <br />Groundwater Volume (L) = (Aquifer <br />1,678,949,861.85 <br />Vol x Porosity (0.25)) <br />Mass (kg) = (Avg Conc(ug/L). x GW <br />Vol(L) / 1,000,000,000) <br />18.38 <br />Total VOC Mass (kg) <br />18.38 <br />Threshold Limit (kg) <br />789.5 <br />Note: Aquifer area derived from Figure 3 isoconcentration map calculation. <br />0 0 0 <br />