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RSCA Tool Kit for Chemical Releases, Version 1 3a _ <br /> RBCA SITE ASSESSMENT <br /> TIER 2 TRANSIENT DOMENICO ANALYSIS <br /> Site Name Tuff Boy Completed By GPS Job)D 335 <br /> Site location Manteca, CA Date Completed 25-Sep-02 2 of 5 <br /> Constiuent Toluene <br /> Source Medium Affected Groundwater <br /> Biodegredation 1 st Order <br /> Concentration vs Distance from Source Time(yr) 1 0 off-sitel Off-site2 <br /> (for given time) Residential None <br /> Distance(cm) 0 580 1160 1740 2320 2900 3480 4060 4640 5220 5800 5800 NA <br /> t=1 0 yr 1 - 2 8 OE-4 2 OE-6 4 OE-8 1 3E-9 4 8E-11 2 OE-12 8 BE-14 4 2E-15 2 IE-16 1 IE-17 5 6E-19 5 6E-19 NA <br /> Steady-state U € 8 OE-4 2 OE-6 4 5E-8 1 9E-9 1 2E-10 9 3E-12 9 2E-13 1 IE-13 15E-14 23E-15 40E-16 4 OE-16 NA <br /> POE Concentration Limit(mglL) 7 3E+0 I NA <br /> 1 OE-3 <br /> 1 OE-4 <br /> 1 OE-5 Steady-state <br /> 1 OE-6 <br /> E 1 OE-7 0 yr <br /> = 1 OE-8 Off-sitel Conc Limit <br /> 0 1 OE-9 <br /> v 1 OE-10 - - +1- - Off-site2 Conc limit <br /> 1 OE-11 <br /> 1 OE-12 <br /> 0 1000 2000 Dist8000 4000 5000 <br /> Concentration vs Time Distance(cm) zsoo <br /> (for given distance from source) <br /> Time(yr)j 0 3 6 9 12 15 18 21 24 27 30 Time to Reach <br /> x=2900 cm 3 0 OE+O 9 3E-12 9 3E-12 9 3E-12 9 3E-12 9 3E-12 9 3E-12 9 3E-12 9 3E-12 9 3E-12 9 3E-12 Conc Limit(yr) <br /> off sitel(5800 cm) o 0 OE+O 4 OE-16 4 OE-16 4 OE-16 4 OE-16 4 OE-16 4 OE-16 4 OE-16 4 OE-16 4 OE-16 4 OE-16 Off-sitel IIIA <br /> OH siW(a cm) U " NA NA NA NA NA NA NA NA NA NA NA Off-site2 NA <br /> 1 OE-11 <br /> 8 OE-12 -1111--x=2900 cm <br /> E 6 0E-12 �Cff el 15800 cm) <br /> Off-site2(0 cm) <br /> 4 0E-12 - ilk Off-sitel Conc Limit <br /> 0 <br /> U 2 OE-12 V_ - -I- - Off-site2 Conc Limit <br /> 0 OE+0 <br /> 0 5 10 TimiD%yr) 20 25 30 <br />