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APPENDIX A <br /> CALCULATION OF GALLONS OF CONTAMINATION IN SPECIFIED VOLUME OF SOIL <br /> CLIENT Barbara Drake <br /> SITE Former Drake Property 26485 Thornton Road, Thornton <br /> DATE November 15, 1996 <br /> G= (((A"H)-D-(X11 E+6))/M) <br /> See Attached F clure 3 and Table 1 for AreaDeimeation <br /> 500 ppm area = 24 ft x 5 ft = 120 ft2 <br /> 100 ppm area = (30 ft x 12 ft) - 120 ft2 = 240 ft2 <br /> 50 ppm area = (35 ft x 15 ft) - 360 ft2 = 165 ft2 <br /> 10 ppm area = (62 ft x 23 ft) - 525 ft2 = 900 ft2 <br /> CONTAMINANT TPH-G TPH-G TPH-G TPH-G <br /> X- CONTAMINANT CONCENTRATION (ppm) = 500 100 50 10 <br /> D - AVERAGE SOIL DENSITY (lbs/ft') = 129 129 129 129 <br /> M - MASS OF 1 GALLON OF CONTAMINANT (Ibs) = 65 65 65 65 <br /> A - IMPACTED AREA (ft2) = 120 240 165 900 <br /> H - HEIGHT OF IMPACTED AREA (ft) = 2 2 2 2 <br /> TOTAL <br /> G - GALLONS OF CONTAMINANT = 2 38 0 95 033 036 402 <br /> CALCULATION OF GALLONS OF CONTAMINATION IN SPECIFIED VOLUME OF GROUNDWATER <br /> CLIENT Barbara Drake <br /> SITE Former Drake Properly, 26485 Thornton Road, Thornton <br /> DATE November 15, 1996 <br /> G=(A"H)"N'(X/1 E+9)'7 481 <br /> See Attached Flslure 4 and Tables-2-8L3LoCA-rea Delineation <br /> CONTAMINANT TPH-G TPH-G TPH-G <br /> X- CONTAMINANT CONCENTRATION (ppb) = 2000 500 100 <br /> N - POROSITY (0 ##) - 03 03 03 <br /> I A - AREA OF IMPACTED AREA (ft) = 450 2770 6280 <br /> H - HEIGHT OF IMPACTED AREA (ft) _ _ 4_ _4 4 <br /> TOTAL <br /> G - GALLONS OF CONTAMINANT = 0 008 0012 0 006 0 026 <br /> Imasscalc wk4 i <br /> FLUOR DANIEL GTI <br />