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. CALCULATION SHEET H-1 <br /> SITE CALCULATIONS — HYDROCARBON MASS & CLEAN-UP TIME <br /> Former Canteen Facility <br /> 1500 Shaw Road <br /> Stockton, California <br /> BACKGROUND DATA <br /> Total Porosity 400% System Uptime 90% <br /> Density of NAPL 075 Soil Density (lbs/fk3) 1030 <br /> Chemicals of Concern Concentrations <br /> Shallow Soil Deep Soil Saturated Soil Groundwater <br /> Areas of Sample (0'-30'bgs) ; (30'-50' bgs) Concentration Concentration <br /> Concern Locations (mglkg) (mglkg) {mglkg) i (mg/L) <br /> Area I SB-3 1 00 390 770 --- <br /> MW-13 390 1,400 140 180 <br /> VE-1 6,900 1,100 --- <br /> Area 11 S13-4 000 159 240 --- <br /> MW-3 000 150 130 0 280 <br /> MASS OF CONTAMINANTS <br /> Areal Extent Interval Thickness Concentration Mass <br /> 4j�ase (sq ft? (feet) (mg/kg), (mg/L) (lbs) <br /> Sorbed (Unsaturated 0'-30') 2,514 300 2,430 18,879 Area I <br /> Sorbed (Unsaturated 30'-50') 2,514 200 1818 941 <br /> Sorbed (Saturated Zone) 2,514 100 3283 850 <br /> Dissolved 2,514 100 900 565 <br /> NAPL --- 000 NA -- <br /> Vapor 2,514 50 6200 195 <br /> Sorbed (Unsaturated 0'-5') 2,514 300 0 000 000 Area II <br /> Sorbed (Unsaturated 5'-12') 2,514 200 4 884 253 <br /> Sorbed (Saturated Zone) 2,514 100 7 700 199 <br /> Dissolved 2,514 100 0 280 018 <br /> NAPL --- 000 NA --- <br /> Vapor 2,514 1 50 1240 389 <br /> Total Vadose Zone (0'-50') Mass 19,846 lbs <br /> Total Saturated Zone Mass (Sorbed & Dissolved) 161 6 lbs. <br /> Total NAPL Mass --- lbs. <br /> Total NAPL Volume --- gallons <br /> Total Vapor Mass 2335 lbs <br /> TOTAL HYDROCARBON MASS 20,241 lbs (all phases) <br />