Laserfiche WebLink
• i� • <br /> RBCA Tool Kit for Chemical Releases, Version 1 3a = <br /> RBCA SITE ASSESSMENT <br /> TIER 2 TRANSIENT Dlei MENIlei O ANALYSIS <br /> Site Name TO Boy Completed By GPS Jab lD 335 <br /> Site Location Manteca, CA Date Completed 25-Sep-02 4 of 5 <br /> Constluent Xylene(mixed Isomers) <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) Residential None <br /> Distance(cm) 0 580 1160 1740 2320 2900 3480 4060 4640 5220 5800 5800 NA <br /> t=10 yrc 1 2E-2 i 6E-3 5 5E-5 1 4E-6 3 OE-8 6 6E-10 1 5E-11 3 4E-13 7 8E-15 1 9E-16 4 6E-18 4 6E-18 NA <br /> Steady-state € 1 2E-2 4 8E-3 2 1E-3 8 7E-4 3 5E-4 1 5E4 6 5E-5 3 OE-5 1 5E-5 7 4E-6 3 9E-6 3 9E-6 NA <br /> POE Concentration Limit(mglL) 7 3E+1 I NA <br /> 1 OE-2 <br /> —6 Steady-state <br /> :7 10E-4 <br /> E 1 OE-6 t- 0 yr <br /> c 1 OE-8 • -tit - Off-sitel Conc Limit <br /> v <br /> 1 OE-10 + - Off-site2 Conc Limit <br /> I <br /> I OE-12 <br /> 0 1000 2000 Distaeo9 4000 5000 <br /> Concentration vs Time Distance(cm) 2900 <br /> (for given distance from source) <br /> Time(yr)l 0 1 3 6 9 12 15 18 21 24 27 30 Time to Reach <br /> x=2900 cm o J 0 OE+0 2 8E-5 1 3E4 1 5E-4 1 5E-4 1 5E-4 1 5E-4 1 5E-4 1 5E4 1 5E-4 1 5E4 Conc Limit(yr) <br /> Off site?(5800 cm) o E 0 OE+0 2 3E$ 1 7E-6 3 4E-6 3 8E-6 3 9E-6 3 9E-6 3 9E-6 3 9E-6 3 9E-6 3 9E-6 Off-diel NA <br /> Off&W(0 cm) U " NA NA NA NA NA NA NA NA NA NA NA Off-site2 NA <br /> 2 OE-4 <br /> 1 5E-4 ---&—x=2900 cm <br /> ---(4 off-I`el 15800 cm) <br /> E 0E 4 <br /> 1 <br /> y — Off-sde2(D cm) <br /> 0 -- ak - Off-sitel Conc Limit <br /> c i 5 OE-5 <br /> + - Off-site2 Conc Limit <br /> 0 OE+0 <br /> 0 5 10 TimWyr) 20 25 30 <br /> I <br />