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4400 Black Avenue <br />Pleasanton, California <br />648-26-2 <br />Page i <br />Table of Contents <br />SECTION 1: INTRODUCTION........................................................................................ 1 <br />1.1 PURPOSE............................................................................................................. 1 <br />1.2 SCOPE OF WORK................................................................................................ 1 <br />1.3 ASSUMPTIONS.................................................................................................... 2 <br />1.4 ENVIRONMENTAL PROFESSIONAL .................................................................. 2 <br />SECTION 2: SITE DESCRIPTION.................................................................................. 3 <br />2.1 LOCATION AND OWNERSHIP ............................................................................ 3 <br />2.2 CURRENT/PROPOSED USE OF THE SITE......................................................... 3 <br />2.3 SITE SETTING AND ADJOINING PROPERTY USE............................................ 3 <br />SECTION 3: USER PROVIDED INFORMATION............................................................ 4 <br />3.1 ENVIRONMENTAL LIENS OR ACTIVITY AND USE LIMITATIONS.................... 4 <br />3.2 SPECIALIZED KNOWLEDGE, COMMONLY KNOWN OR REASONABLY <br />ASCERTAINABLE INFORMATION, AND PROPERTY VALUE................................. 4 <br />3.3 DOCUMENTS PROVIDED BY TTLC MANAGEMENT......................................... 5 <br />SECTION 4: RECORDS REVIEW .................................................................................. 5 <br />4.1 STANDARD ENVIRONMENTAL RECORD SOURCES........................................ 5 <br />4.1.1 On-Site Database Listings............................................................................ 6 <br />4.1.2 Adjoining Property Database Listings and Nearby Spill Incidents ........... 6 <br />4.2 ADDITIONAL ENVIRONMENTAL RECORD SOURCES...................................... 7 <br />4.2.1 City and County Agency File Review .......................................................... 7 <br />4.2.2 Geologic Energy Management Division Maps............................................ 8 <br />SECTION 5: PHYSICAL SETTING................................................................................. 8 <br />5.1 RECENT USGS TOPOGRAPHIC MAP ................................................................ 8 <br />5.2 HYDROGEOLOGY ............................................................................................... 8 <br />SECTION 6: HISTORICAL USE INFORMATION........................................................... 8 <br />6.1 HISTORICAL SUMMARY..................................................................................... 9 <br />6.1.1 City Directory Review.................................................................................11 <br />6.2 HISTORICAL SUMMARY OF SITE VICINITY.....................................................11 <br />SECTION 7: SITE RECONNAISSANCE.......................................................................11 <br />7.1 METHODOLOGY AND LIMITING CONDITIONS................................................12 <br />7.2 OBSERVATIONS................................................................................................12 <br />7.2.1 Site Photographs........................................................................................14 <br />SECTION 8: ENVIRONMENTAL QUESTIONNAIRE AND INTERVIEWS....................21 <br />8.1 ENVIRONMENTAL QUESTIONNAIRE / CURRENT OWNER INTERVIEW........21 <br />8.2 CURRENT OCCUPANT INTERVIEW................................................................. 21 <br />8.3 INTERVIEWS WITH PERSON(S) KNOWLEDGEABLE OF SITE USE...............21 <br />8.4 INTERVIEWS WITH PREVIOUS OWNERS AND OCCUPANTS........................22 <br />8.5 INTERVIEWS WITH STATE AND/OR LOCAL GOVERNMENT OFFICIALS......22 <br />SECTION 9: FINDINGS, OPINIONS AND CONCLUSIONS (WITH <br />RECOMMENDATIONS)................................................................................................22 <br />9.1 HISTORICAL SITE USAGE................................................................................22 <br />9.2 CHEMICAL STORAGE AND USE......................................................................22 <br />9.3 FORMER UNDERGROUND STORAGE TANK..................................................23 <br />9.4 AGRICULTURAL USE........................................................................................23 <br />9.5 DISPOSAL OF EXCESS SOIL DURING CONSTRUCTION...............................23 <br />9.6 IMPORTED SOIL................................................................................................23 <br />9.7 POTENTIAL ENVIRONMENTAL CONCERNS WITHIN THE SITE VICINITY.....23 <br />........................................................................................................................................................ <br />.................................................................................................................. <br />........................................................................................ <br />........................................................................................................................ <br />LIENS OR ACTIVITY AND USE LIMITATIONSLIENS OR ACTIVITY AND USE LIMITATIONS .................... <br />3.2 SPECIALIZED KNOWLEDGE, COMMONLY KNOWN OR REASONABLY 3.2 SPECIALIZED KNOWLEDGE, COMMONLY KNOWN OR REASONABLY <br />PROPERTY VALUEPROPERTY VALUE ................................................................ <br />3.3 DOCUMENTS PROVIDED BY TTLC MANAGEMENT3.3 DOCUMENTS PROVIDED BY TTLC MANAGEMENT .................................................................................. <br />.................................................................................................................................................................... <br />4.1 STANDARD ENVIRONMENTAL RECORD SOURCES4.1 STANDARD ENVIRONMENTAL RECORD SOURCES ................................................................................ <br />........................................................................................................................................................ <br />4.1.2 Adjoining Property Database Listings and Nearby Spill Incidents4.1.2 Adjoining Property Database Listings and Nearby Spill Incidents <br />4.2 ADDITIONAL ENVIRONMENTAL RECORD SOURCES4.2 ADDITIONAL ENVIRONMENTAL RECORD SOURCES ............................................................................ <br />y and County Agency File Reviewy and County Agency File Review .................................................................................................................... <br />4.2.2 Geologic Energy Management Division Maps4.2.2 Geologic Energy Management Division Maps ............................................ <br />SECTION 5: PHYSICAL SETTING .................................................................................................................................................................. <br />5.1 RECENT USGS TOPOGRAPHIC MAP5.1 RECENT USGS TOPOGRAPHIC MAP ................................................................................................................................ <br />5.2 HYDROGEOLOGY5.2 HYDROGEOLOGY .............................................................................................................................................................................................. <br />SECTION 6: HISTORICAL USE INFORMATIONSECTION 6: HISTORICAL USE INFORMATION ........................................................... <br />6.1 HISTORICAL SUMMARY6.1 HISTORICAL SUMMARY .......................................................................................................................................................................... <br />6.1.1 City Directory Review6.1.1 City Directory Review .................................................................................................................................................................. <br />6.2 HISTORICAL SUMMARY OF SITE VICINITY6.2 HISTORICAL SUMMARY OF SITE VICINITY <br />SECTION 7: SITE RECONNAISSANCESECTION 7: SITE RECONNAISSANCE....................................................................... <br />7.1 METHODOLOGY AND LIMITING CONDITIONS7.1 METHODOLOGY AND LIMITING CONDITIONS <br />7.2 OBSERVATIONS7.2 OBSERVATIONS................................................................................................................................................................................................ <br />7.2.1 Site Photographs7.2.1 Site Photographs ........................................................................................ <br />SECTION 8: ENVIRONMENTAL QUESTIONNAIRE AND INTERVIEWSSECTION 8: ENVIRONMENTAL QUESTIONNAIRE AND INTERVIEWS <br />8.1 ENVIRONMENTAL QUESTIONNAIRE / CURRENT OWNER INTERVIEW8.1 ENVIRONMENTAL QUESTIONNAIRE / CURRENT OWNER INTERVIEW <br />8.2 CURRENT OCCUPANT INTERVIEW8.2 CURRENT OCCUPANT INTERVIEW <br />8.3 INTERVIEWS WITH PERSON(S) KNOWLEDGEABLE OF SITE USE8.3 INTERVIEWS WITH PERSON(S) KNOWLEDGEABLE OF SITE USE <br />.4 INTERVIEWS WITH PREVIOUS OWNERS AND OCCUPANTS.4 INTERVIEWS WITH PREVIOUS OWNERS AND OCCUPANTS <br />8.5 INTERVIEWS WITH STATE AND/OR LOCAL GOVERNMENT OFFICIALS