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RBCA Tool Kit for Chemical Releases, Version 1 3a <br /> RBCA SITE ASSESSMENT <br /> TIER 2 TRANSIENT DOMENICO ANALYSIS <br /> Site Name Souza 11 LLC Completed By JPL Job ID 450 <br /> Site Location 612 W Eleventh,Tracy, CA Date Completed 20-Apr-04 1 of 4 <br /> Consbuent Benzene* <br /> Source Medium Affected Groundwater <br /> Biodegredation 1st Order <br /> Concentration vs Distance from Source Time(yr) 1 O Off-sitel Off site2 <br /> (for given time) Commercial None <br /> Distance(cm) 0 1500 3000 4500 6000 7500 1 9000 10500 12000 13500 15000 2000 NA <br /> t=1 0 yr 2 4E-2 1 5E-2 2 8E-3 4 0E-4 6 OE-5 9 4E-6 16E-6 27E-7 48E-8 89E-9 1 7E-9 9 4E-3 NA <br /> Steady-state E 2 4E-2 1 7E-2 6 3E-3 2 7E-3 1 3E-3 7 3E-4 4 4E-4 2 7E-4 1 8E-4 1 2E-4 8 5E-5 I 1 2E-2 NA <br /> POE Concentration Limit(mglL) 29E NA <br /> 1 OE-1 <br /> 1 OE-2 <br /> 1OE-3 ---0 Steady-state <br /> E 1 OEC - t=1 0 yr <br /> 1 OE-5 <br /> c 1 OE-6 - - Off-sitel Conc Limit <br /> V 1 OE-7 <br /> - + Off-sde2 Conc Limit <br /> 1 OE-8 <br /> 1 OE-9 <br /> 0 2000 4000 6000 DistarMDO 10000 12000 14000 <br /> Concentration vs Time Distance(cm) 2000 <br /> (for given distance from source) <br /> Time(yr) 0 3 6 9 12 15 18 21 24 27 30 Time to Reach <br /> x=2000 Cm 0 OE+O 1 2E-2 1 2E-2 1 2E-2 1 2E-2 1 2E-2 1 2E-2 1 2E-2 1 2E-2 1 2E-2 1 2E-2 Conc Limit(yr) <br /> Off sdel(2000 cm) ci0 OE+0 1 2E-2 1 2E-2 1 2E-2 1 2E-2 1 2E-2 1 2E-2 1 2E-2 1 2E-2 1 2E-2 i 2E-2 Off-sitel 01 <br /> Off sde2(9 cm) NA NA NA NA NA NA NA INA NA NA NA Off-sde2 NA <br /> 2 0&2 <br /> —[7—x=2000 cm <br /> 1 SE-2 <br /> E --0 Off-sitel (2000 cm) <br /> 13 <br /> 1 OE-2 --0 Off-We2(0 cm) <br /> e /7777777 <br /> o Off sitel Canc Limit <br /> v 5 OE-3 + - Off-sde2 Conc Limit <br /> 0 OE+0 <br /> 0 5 10 TmW(yr) 20 25 30 <br />