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RBCA Tool Kit for Chemical Releases,Version 1 Oa <br /> RBCA SITE ASSESSMENT <br /> TIER 2 TRANSIENT DOMENICO ANALYSIS <br /> Site Name Wilbur-Ellis/H&H Engineering Completed By GPS Job lD 594 <br /> Site Location Industrial Ave , Stockton Date Completed 14-Sep-05 1 of 1 <br /> Constluent Benzene <br /> Source Medium Affected Groundwater <br /> Blodegredation 1st Order <br /> Concentration vs Distance from Source Time(yr) 18 0 Off-sitel Off-site2 <br /> (for given time) Residential Residentsal <br /> Distance(ft) 0 12 24 36 48 60 72 84 96 108 120 50 120 <br /> t=18 0 yr 6 0E+1 8 4E+0 1 8E+0 4 9E-1 1 5E-1 4 SE-2 1 6E-2 5 4E-3 1 9E-3 6.5E-4 2 3E-4 1 2E-1 2 3E-4 <br /> Steady-state E 6 0E+1 8 4E+0 1 8E+0 5 1E-1 1 6E-1 5 9E-2 2 3E-2 9 3E-3 4 OE-3 1 7E-3 7 9E-4 1 4E-1 7 9E-4 <br /> POE Concentration Limit(mg/L) 2 9E-3 2 9E-3 <br /> 1 0E+2 <br /> 1 0E+1 <br /> ---�--Steady-state <br /> 1 OE+0 ` <br /> E —�t=180yr <br /> 1 OE-1 <br /> a 1 OE-2 11� Off-sdei Conc Limit <br /> 1 OE-3 - Off-sde2 Cone Limit <br /> 1 OE-4 <br /> 0 20 40 Diswce 80 100 120 <br /> I <br /> Concentration vs Time Distance(ft) 200 <br /> (for given distance from source) <br /> Time(yr) 0 3 6 9 1 12 15 18 21 24 27 30 Time to Reach <br /> x=200 ft u 0 OE+0 0 OE+0 2 2E-19 51 E-13 5 OE-10 2 2E-8 2 1E-7 8 5E-7 2 OE-6 3 5E-6 4 8E-6 Cone Limit(yr) <br /> Off-srtel(50 ft) o 0 OE+0 1 5E-8 8 3E-4 1 8E-2 6 1E-2 1 OE-1 1 2E-1 1 3E-1 1 4E-1 1 4E-1 1 4E-1 Off-sitel 69 <br /> Off--sfte2(120 ft) 0 OE+0 0 0E+0 4 7E-11 2 3E-7 1 1 E-5 7 7E-5 2 3E-4 41 E-4 5 7E-4 6 8E-4 7 4E-4 Off-site2 NA <br /> 2 OE-1 <br /> � 15E-1 <br /> ­13—x=200ft <br /> O Off-sdel (50 ft) <br /> 1 OE-1 0 Off-site2(120 ft) <br /> v <br /> o - iii- Off-sitel Cone Limit <br /> v 5 OE-2 , <br /> - - + Off-site2 Conc Limit <br /> 0 OE+0 011 <br /> 0 5 10 Tsm"yr) 20 25 30 <br />