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Phase I ESA Update:Neighborhoods I&J,Mountain House,CA <br /> 1. <br /> 008 <br /> Page 2 <br /> ` • The identified troleurn hydrocarbon contamination of soil an �u iter associated with the <br /> Old Valley Pip line imme ' ely south of Site-N <br /> • The former Stan easement (cllrren y o ed by Pacific Gas and <br /> ` ElectnoKieryMorgan <br /> y)travers' g the south ortion of the Site-Neighborhoods I&J. <br /> • The ipelines (a iameter Chevron/Texaco petroleum pipeline and a 12-inch/ <br /> diame petroleum pipeline)paralleling Byron Road and the railroad tracks south <br /> L of the Site-Neighborhoods I&J. <br /> CHANGES TO ENVIRONMENTAL DATAB <br /> I'V The environmental records source used for is update s the same as that used forCEDR <br /> ESA. <br /> Environmen esources (EDR) provi d two ® Radius ps c Site. adius <br /> Maps the orphan sules and there ere no not chane <br /> ]r folio g: illegal drug lab waste was iscovere a vee 1 ediately north of the Site. <br /> The was on or personne m eaz�� pro y lsposed o y au orities. <br /> L CHANGES TO SITE <br /> A driving reconnaissance of the surrounding area and a wal ' g reconn of the Site were <br /> performed by Alex Dewitt in accordance with the ASTM practice n April 2, 2008.Ale <br /> ` been ved and the ma ori of the Sits has been graded for deve ent. debris piles in both <br /> eighborhoods were removed along with the structures prior to grading operations. vver_allmmon_itoring <br /> ice shave been instal ed in both neighborhoods in the oast several years for the noses of monitoring <br /> ` groun wa er—quality for the purpose of land discharge of treated wastewater. aban oned natural gas <br /> _well designated as "Gulf-Patteson"was located by Condor in 2006 in Neighbo�'o3T- <br /> LOPINI ONCLUSIONS <br /> It ' Condor's opinio that the potential residual pesticides in agricultural f of bo eighborhoo <br /> L e no longer cons' red a recognized environmental c n, and ere are no additional recognize <br /> en ronmental nditions relating to the Site. Th monitoring wel d abandoned gas well e <br /> co <br /> ed minimis conditions. These wells sho pt�perly abando before developent <br /> completed. <br /> All opinions expressed herein are based upon the evidence reviewed and the assumptions made during the <br /> assessment. Condor has performed this Phase I ESA Update in conformance with the scope and <br /> L limitations of ASTM Practice E 1527-05 for the Site.Dr. Jason McDonald, Environmental Specialist, and <br /> Mr. Alexander Dewitt prepared the Phase I ESA Update report. Mr. Dewitt hereby certifies that he meets <br /> the definition of qualified environmental professional under ASTM E 1527-05. <br /> L Respectfully submitted, ` <br /> CONDOR EARTH TECHNOLOGIES,INC. \�14AL <br /> Fp <br /> {U <br /> Gl <br /> 6as A. McDonald,Ph.D. Alexander B. Dewitt, CA PG No. ALEXANDER B.DEWITT <br /> vironmental Specialist Environmental Services Manager <br /> No.7502 <br /> Attachments: A(Figures 1, 2, and 3),B (EDR Reports),and C(Site Photographs) <br /> OF CA�1F�� <br /> P:W000,ptj\4601 Shea HornesW601M Neighborhood C EnvironmentalW601M2 Neighborhood C Residences\4601M2 Phase I Update <br /> Neighborhoods l&J\4601M2_Ph1update_report.doc <br /> t.4) CONDOR <br /> i <br />