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SB-18 Soil SB-35 Soil GW 8/11/2008 5 ft 40.5 ft 59.5 ft GW 11/24/2008 5 ft 41.5 ft TPHc - fi ND 2,500 1 ND - TPHc 5.4 6.7 -- TPHd - - - 1,200 SB-36 _ Soil GW TPHd - - ND Benzo(a)anthracene ND 0.014 ND ND 11/24/2008 _ 5 ft 38 ft Naphthalene ND 0.00082 0.17 Benzo(a)pyrene ND 0.019 ND ND TPHc 4.0_ ND All other analytes ND/NE ND/NE ND/NE All other anal es ND/NE ND/NE ND/NE NDME TPHd I - ND All other anal es ND/NE NDME ND/NE - GW ------------------------ ----------- - ------ SB- j SSoil 11/20/200808 5ft 27 ft TPHc ND 26,000 -- TPHd -_ _74,000 Anthracene 0-00035 2.9 2.7 Benzo(a)anthracene 0.0011 0.36 1.2 S -36 Benzo(a)pyrene 0.00075 0.1 ND 1 Benzo(b)fluoranthene 0.0013 0.27 1.3 -------- --------------------------------------------- ------ ------------------------------- Benzo(g,h,i)perylene ND 0.11 0.58 -- -- Chrysene 0.001 0.9 5.4 /,. �� fes, •;. , ,�/ //,�, , ;/ Dibenz(a,h)anthracene ND 0.044 0.32 "SB=17--- -- Ethylbenzene ND 0.77 ND Fluorene ND 7.1 28 ---- ---- -- ------- -------------- Naphthalene 0.00077 3.2 14 Area Phenanthrene 0.0013 13 45 Pyrene 0.0017 0.84 3.4 All other analytes ND/NE ND/NE NDME �! S6=21`= _ -_ _ •• _-_'_��rfirrfarrlarrzrrs3a-r++rrrtsnr: SB-20 SBS i SB-37 \ - - - SB-37 Soil GW sz \\\ 11/20/2008 42 ft TPHc ND - -SB-34 O TPHd - 57 All other anal es ND/NE ND/NE V E R N A L I S SB-21 Soil GW SB-2t,, PUMP 8/12/2008 5 ft 60 ft 67 ft TPHc ND 14,000 36 S T A T I O N Benzene _ - ND 5.6 0.002 - - Ethylbenzene ND 41 0.007 MW-4 MW-4 X &nes ND 130 0.009 �S( 1Q`e Benzo(a)anthracene_ ND 0.37 0.0047 Benzo(a)pyrene ND 0.36 0.0043 NS due �� c\`e� Benzo(b)fluoranthene ND 0.76 0.010 o SPH SB-27 Soil GW �z� `�z Chrysene 0.00061 1.9 0.023 8/18/2008 5 ft 52 ft V, c�a Dibenz(a,h)anthracene ND 0.082 0.0010 TPHc ND ND - Q FluoreneL ND 12 0.14 -TPHd - - ND -------- LAIlother halene ND 46 0.33 Naphthalene 0.00079 0.00083 0.14 nthrene 0.0014 19 0.26 All other anal es NDME ND/NE ND/NE analytes ND/NE ND/NE ND/NE Map is a relative representation of current and historical data and should be verified for exact legal or underground work. SOIL AND GROUNDWATER Groundwater flow direction inferred from well-monitoring data. �T Railroad ANALYTICAL RESULTS MAP TPHc=Total Petroleum Hydrocarbons Environmental Screening Level AREA 1 AND AREA 2 ad quantified as crude oil WQO=Central Valley RWQCB Water Building TPHd=Total Petroleum Hydrocarbons Quality Objective quantified as diesel U.S.EPA=U.S.Environmental -------, ND=Not Detected at or above Protection Agency US CAN -WELTY ROAD Former building laboratory reporting limit RWQCB=Regional Water Quality -------I NE=No Exceedances of RSLs or Control Board ,............... ESLs in soil;no exceedances of Woos -All results are presented in milligrams 35275 Welty Road Former underground or ESLs in groundwater per kilogram(mg/kg)for soil and Vernalis, California a fuel Storage tank -=Sample not analyzed for this micrograms per liter(yg/L)for constituent groundwater. ti Estimated extent of NS=Not Sampled -Results presented in bold equal or DATE.9/23/2009 ANALYST:MOORECYN FIGURE: ; former burn pit SPH=Separate-Phase Hydrocarbons exceed RSLs and/or ESLs for soil sere ........ .-""• ft=Feel below ground surface and/or WQOs for groundwater.See :d SanJoa UInCOUnt GW Groundwater Tables2through5forRSLs,ESLs, _ q y RSL=U.S.EPA Regional Screening and Woos. � 3 A Assessor's Parcel Level ESL=San Francisco Bay RWQCB -