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CENTERLINE <br /> 3 OF EASEMENT <br /> e <br /> x \ <br /> 5 <br /> \ <br /> ' t <br /> ORIGINAL I tol`p \ <br /> KA-1 �HA-3E EXCAVATION LIMIT <br /> HA-1E� r HA-3� <br /> m HA-3C HA-4C SITE <br /> H HA-]8 ® *HA-5C \ ` ACCESS/ <br /> ®-2B 48 HA-5B \ \ <br /> HA4C HA-3B EGRESS <br /> HA-4H k i HA-6B qq\\ <br /> FIA-1!3 ,` H HA-5(• HA1 S�4A Tk�S <br /> ( GMX-08 <br /> HA-V ® \ * I <br /> A-7 , \ HA-9B I <br /> \ HA-8*� BORROW AREA <br /> HA.9 \(It HA-1 S I <br /> \ <br /> \ A-19 \ A- B <br /> \ � � A4A �HAA 2C <br /> )f <br /> \ HA-12 <br /> ` <br /> HA, B l <br /> \l HA•1��3jj HA-13C <br /> `X HA•14*. HA <br /> HA-13 <br /> 0 20 40 <br /> FEET <br /> Z <br /> � Explanation � Notes: B(a)P=Benzo(a)pyrene <br /> ESL=Environmental Screening Level <br /> o HB-15* Approximate location of hand auger(May and July 2009) <br /> Blue color indicates soil sample analyzed;below residential <br /> and commerciallindustrial ESLs for B(a)P e9 Proposed step-out hand auger�(,�b ,4 <br /> go� <br /> S Green color indicates soil sample analyzed;above residential <br /> m S ESL,but below commerciallindustrial ESLs for B(a)P <br /> aN <br /> a Orange color indicates soil sample analyzed;above residential EXCAVATION PRE-CHARACTERIZATION <br /> $8 and commericaVindustrial ESLs B(a)P HAND AUGERS AND <br /> E. <br /> N Red color indicates borings where refusal encountered at 4.0 PROPOSED ADDITIONAL STEP-OUTS <br /> a feet below ground surface. 990 Beechnut Avenue <br /> Chevron Environmental Management Company <br /> Indicates areas where oily waste material noted in boring Tracy,California <br /> Qt <br /> 9 By: MG Date: 12109/09 Project No. 6628.001 <br /> 4 g Indicates areas where asphaltic material noted in boring <br /> AM EC Geomatrix Figure 2 <br /> R <br />