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RBCA Toot Kit for Chemical Releases,Version 1 3a - <br /> :, • SITE ASSESSMENT OMENICO ANALYSIS <br /> Site Name Tuff Boy Completed By GPS Job ID 335 <br /> Site Location Manteca, CA Date Completed 25-Sep-02 1 of 5 <br /> Constiuent Benzene <br /> Source Medium Affected Groundwater <br /> Biodegredation 1 st Order <br /> Concentration vs Distance from Source Time(yr) 1 o Ott sites Off-sde2 <br /> (for given time) Residential Hone <br /> Distance(cm) 0 580 1160 1740 2320 2900 3480 4060 4640 5220 5800 2450 NA <br /> t=1 0 yr r 1 7E 3 9 2E 4 1 6E-4 1 9E-5 1 8E-6 1 7E-7 1 6E-8 1 6E-9 1 5E-10 1 511-11 E24 <br /> ]-5 <br /> 2 1 1E-6 NA <br /> Steady-state L i E 1 7E-3 1 3E-3 9 4E-4 6 OE-4 3 6E-4 2 1 E-4 i 3E-4 8 2E-5 5 3E-5 3,9E-5 3 2E-4 NA <br /> POE Concentration Limit(mg/L) 2 9E-3 I NA <br /> 1 OE-2 <br /> Jim <br /> 1OE-4 —0 Steady-state <br /> J ' <br /> E 10E-6 t=10yr <br /> 1 OE-8 - - 1a - Off-sitel Cone Limit <br /> 0 <br /> V ' <br /> 1 OE-10 -+ - Off-site2 Cone Limit <br /> 1 OE-12 <br /> 0 1000 2000 Dist3609 4000 5000 <br /> I <br /> Concentration vs Time Distance(cm) 2450 <br /> (forgiven distance from source) <br /> Time(yr) 0 3 6 9 12 15 18 21 24 27 1 30 Time to Reach <br /> x=2450 cm JLONA'o <br /> 1 8E-4 3 1E-4 3 2E-4 3 2E-4 3 2E-4 3 2E-4 3 2E-4 3 2E-4 3 2E-4 3 2E-4 Cone Limit{yr} <br /> Off site (2450 cm) o f 1 8E-4 3 1E-4 3 2E-4 3 2E-4 3 2E-4 3 2E-4 3 2E-4 3 2E-4 3 2E-4 3 2E-4 Oft-sitel NA <br /> Off sde2(0 cm) V NA NA NA NA NA NA NA NA NA NA Off-si%2 NA <br /> 4 OE-4 <br /> 3 5E-4 <br /> 13 za 3 OE-4 x=2450 cm <br /> 02 5E-4 —D—Off-sitel {2450 cm} <br /> 2 OEC 0 Off--site2(0 cm) <br /> 1 5E-4 <br /> o ttE Off-sitel Cone Limit <br /> V 1 OE-4 - - + - Off-site2 Cone Limit <br /> 5 OE-5 <br /> 0 OE+0 <br /> 0 5 10 Timt6(yr) 20 25 30 <br />