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EXPLANATION <br /> RESIDENTIAL DEVELOPMENT <br /> •—••—••— Property boundary <br /> _ ,. <br /> _ Soil 1 <br /> TPHc 3400 ' .., .. <br /> - Approximate extent of petroleum <br /> T 1.6 hydrocarbon affected soil based on <br /> x 0.7 <br /> Acn 0.54 visual and analytical data(>_100mg/kg) <br /> ` - <br /> B(a)A 0.13 <br /> Soil Chr 0.54 EB-7 <br /> TPHg 150 Fit 0.071 Soil boring(Earth Systems,7/99). t <br /> TPHd 4700 �, Fir 5.9 Samples analyzed for TPHd,TPHc, l <br /> TPHc 10,000 <br /> Pyr 0.27 TPHmo,BTEX,and PAHs. <br /> '� <br /> \•'� •\ \ `\ W ;\ GMX-3� <br /> e Soil Soil boring(Geomatrix,9199) <br /> Sr .A 1 <br /> sj P <br /> ' •'` d0 ry9a\ 0- \ \ %PHc 43a GMX-6y Soil boring and grab groundwater <br /> `\ /! T <br /> oq location(Geomatrix,9/99) t <br /> ALL ND •••�'' UAcn 0.16 <br /> °rO�P `\ �Cj Faserh \ \' B(a)A 0.035 <br /> Chr 0.14 <br /> Constitu <br /> ts <br /> in <br /> " /GMX-8 TPHd 22°r'/ORarl�Oad ens Fit 049 - Soil soil LLN samples analyzed for BTEX!PAHs, t <br /> soil G <br /> I ALL NO• /•• •' Phn O.T2 TPHg 180 TPHg 670 TPHg,TPHd,TPHc,and MTBE. <br /> ` Pyr 0.093 TPHd 6600 <br /> TPHd 4100 <br /> TPHd it 36 TPHc 18,000 Concentrations in milligrams per <br /> TPHc 12,000 9 <br /> e ( GMX 4 •.\ TPHc 70035 <br /> x o 07 9 (mg/Kg); <br /> BURNS GMX-19 oun water kilogram <br /> NS Flr 0.2 <br /> + A°^ 0.76 NO=no analyte detected; <br /> PROPERTY \ �EB-8 NS Phn 0.3 Phn 3.7 Y <br /> 6 W Vr 4 Flt 0.098 NS=no sample collected <br /> ` GMX-17 _ _ GMX-3 ;- - OP..=- cnr o.a3 <br /> 7 _ <br /> WSJG Flr o.2 Constituents detected in groundwater; <br /> ALL ND �p sample analyzed for BTEX,MTBE,and <br /> ` NS GMX-15PAHs.Concentrations in micrograms <br /> per liter[ug/1]. <br /> POMBO PROPERTY ALL ND MX-1 �, <br /> `r EB-10 •� T Toluene r_ <br /> € —..—.._..—..—..—..—..—..—.._..—. —..—.. —..— —..— —... E Ethylbenzene <br /> sNs <br /> West 11th Sheet X Xylenes <br /> soil TPHd z3 Acn Acenaphthene TPH9 1000 <br /> TPHd 400 B(a)A Benzo(a)anthracene <br /> TPHc 880 Chr Chrysene <br /> E 1.3 <br /> x 0.55 Fir Fluorene <br /> Nph 3.3 Flt Fluora;thene <br /> Acn 0.034 <br /> Flr 0.095 Nph Naphthalene <br /> Z. VMS - Phn 0.053 Phn Phenanthrene <br /> i g Pyr; Pyrene <br /> ' L I <br /> ESTIMATED f ( ¢ <br /> GROUNDWATER <br /> k8 FLOW (SOILANO GRAB GROUNDWATER <br /> R a DIRECTION Q <br /> 2^ d ANALYTICAL RESULTS <br /> g ij P°mboProperty <br /> R Q QTracy,California <br /> I..r_r0 <br /> SCALE IN FEET 1 PrajectNo. Fgure <br /> neo 5650 2 <br />