PHASE I ENVIRONMENTAL SITE ASSESSMENT I...PHASE I ENVIRONMENTAL SITE ASSESSMENT SOUTH LINCOLN ... Table of Contents Phase I Environmental Site Assessment South Lincoln Park ... UST underground storage tank

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  • PHASE I ENVIRONMENTAL SITE ASSESSMENT

    SOUTH LINCOLN PARK WEST 10TH AVENUE AND NAVAJO STREET

    DENVER, COLORADO 80204

    Prepared fo r

    C i ty and Coun ty o f Denver , Denver , Co lo rado

    January 29 , 2010

    1697 Cole Blvd., Ste. 200

    Golden, CO 80401

  • Table of Contents Phase I Environmental Site Assessment South Lincoln Park

    TABLE OF CONTENTS

    LIST OF FIGURES........................................................................................................................................................ V

    LIST OF TABLES.......................................................................................................................................................... V

    LIST OF ACRONYMS.................................................................................................................................................. VI

    EXECUTIVE SUMMARY ...............................................................................................................................................1

    Property Description ........................................................................................................................................1

    Records Review...............................................................................................................................................1

    Physical Setting ...............................................................................................................................................2

    Site Reconnaissance .......................................................................................................................................2

    Interviews.........................................................................................................................................................2

    Findings, Opinions, and Conclusions ..............................................................................................................2

    1. INTRODUCTION.....................................................................................................................................................1-1

    1.1 Purpose ........................................................................................................................................................1-1

    1.2 Scope OF Services.......................................................................................................................................1-1

    1.3 Limiting Conditions .......................................................................................................................................1-2

    1.4 Exceptions or Deviations from Standard.......................................................................................................1-3

    2. USER PROVIDED INFORMATION ........................................................................................................................2-1

    2.1 Reason for Performing Phase I ESA ............................................................................................................2-1

    2.2 Commonly Known or Reasonably Ascertainable Information.......................................................................2-1

    2.3 Property Value Comparison to Purchase Price ............................................................................................2-1

    2.4 Specialized Knowledge.................................................................................................................................2-1

    2.5 Title Records.................................................................................................................................................2-1

    2.6 Environmental Liens or Activity and Use Limitations ....................................................................................2-2

    2.7 Owner, Property Manager, or Occupant Information ....................................................................................2-2

    3. SITE PHYSICAL SETTING OVERVIEW.................................................................................................................3-1

    3.1 Location ........................................................................................................................................................3-1

    3.2 Current Ownership/Use of Site and Adjoining Properties .............................................................................3-1

    3.2.1 Current Site Uses..............................................................................................................................3-1

    3.2.2 Current Adjoining Property Uses ......................................................................................................3-1

    3.3 Physical Characteristics................................................................................................................................3-2

    3.3.1 Physical Features and Topography ..................................................................................................3-2

    3.3.2 Geology and Hydrology ....................................................................................................................3-2

    3.4 Site Physical Summary.................................................................................................................................3-3

    4. RECORDS REVIEW...............................................................................................................................................4-1

    4.1 Historical Use Information.............................................................................................................................4-1

    4.1.1 Chain of Title Report (50 Years)/Property Deed Review/Environmental Lien Search ......................4-1

    4.1.2 Historical Aerial Photographs............................................................................................................4-1

  • Table of Contents Phase I Environmental Site Assessment South Lincoln Park

    4.1.3 Historical City Directories..................................................................................................................4-2

    4.1.4 Historical Topographic Maps ............................................................................................................4-3

    4.1.5 Sanborn Fire Insurance Maps...........................................................................................................4-4

    4.1.6 Historic Use Summary ......................................................................................................................4-5

    4.2 Previous Investigations and Assessments....................................................................................................4-5

    4.2.1 Phase II ESA, 944 and 1001 Osage Street ......................................................................................4-5

    4.2.2 10th and Osage Brownfield Site Subsurface Investigation Report ...................................................4-5

    4.3 Standard Environmental Regulatory Record Sources ..................................................................................4-6

    4.3.1 Site Listings ......................................................................................................................................4-9

    4.3.2 Federal NPL......................................................................................................................................4-9

    4.3.3 Proposed NPL Sites..........................................................................................................................4-9

    4.3.4 Delisted NPL Sites............................................................................................................................4-9

    4.3.5 Federal CERCLIS .............................................................................................................................4-9

    4.3.6 Federal CERCLIS-NFRAP..............................................................................................................4-10

    4.3.7 Federal CORRACTS.......................................................................................................................4-10

    4.3.8 Federal RCRIS List .........................................................................................................................4-14

    4.3.9 Federal ERNS List ..........................................................................................................................4-14

    4.3.10 HMIRS ............................................................................................................................................4-15

    4.3.11 United States Engineering and Institutional Controls......................................................................4-15

    4.3.12 Federal DOD Sites..........................................................................................................................4-15

    4.3.13 United States/State/Tribal Brownfields Sites ..................................................................................4-15

    4.3.14 State and/or Tribal Voluntary Clean-Up Sites .................................................................................4-15

    4.3.15 State Solid Waste Disposal Facility (SWLF) Listings ......................................................................4-15

    4.3.16 LUSTs............................................................................................................

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