PHASE I ENVIRONMENTAL SITE ASSESSMENT SCOTT ELEMENTARY SCHOOL 4700 ARIZONA AVE NE SALEM, OREGON Prepared for: Salem-Keizer Public Schools Attn: Brian Hardebeck 2450 Lancaster Drive NE Salem, Oregon 97305 DRAFTPrepared by: Offices in Portland and Bend, Oregon / San Rafael, California P.O. Box 14488, Portland, Oregon 97293 T. 503-452-5561 / E. [email protected] Site Conditions as of June 11, 2019 ENW Project No.: 689-19006-01 PHASE I ENVIRONMENTAL SITE ASSESSMENT SCOTT ELEMENTARY SCHOOL 4700 ARIZONA AVE NE SALEM, OREGON Prepared for: Salem-Keizer Public Schools Attn: Brian Hardebeck 2450 Lancaster Drive NE Salem, Oregon 97305 We declare that, to the best of our professional knowledge and belief, we meet the definition of Environmental Professional as defined in §312.10 of 40 CFR § 312. We have the specific qualifications based on education, training, and experience to assess a property of the nature, history, and setting of the subject property. We have developed and performed the all appropriate inquiries requirements in conformance with the standards and practices set forth in 40 CFR Part 312. Prepared by: Heather Caporaso, Environmental Scientist And: Victoria Bennett, Senior Environmental Scientist DRAFTReviewed by: Paul M. Trone, R.G., Principal Geologist Site Conditions as of June 11, 2019 ENW Project No.: 689-19006-01 TABLE OF CONTENTS TABLE OF CONTENTS ................................................................................................................................ i TABLES, FIGURES, AND APPENDICES .................................................................................................. iii ACRONYMS AND ABBREVIATIONS ........................................................................................................ iv EXECUTIVE SUMMARY ............................................................................................................................. vi 1.0 INTRODUCTION .............................................................................................................................. 1 1.1 Authorization ..................................................................................................................... 1 1.2 Objective ............................................................................................................................ 1 1.3 Scope ................................................................................................................................. 1 2.0 SITE LOCATION AND ENVIRONMENTAL SETTING ................................................................... 3 2.1 Location and Legal Description ...................................................................................... 3 2.2 Site and Vicinity Description ........................................................................................... 3 2.3 Surrounding Properties .................................................................................................... 3 2.4 Topography ....................................................................................................................... 3 2.5 Geologic Setting ................................................................................................................ 3 2.6 Hydrogeologic Setting ...................................................................................................... 4 2.6.1 Surface Water ....................................................................................................... 4 2.6.2 Ground Water ....................................................................................................... 4 3.0 SITE RECONNAISSANCE .............................................................................................................. 6 3.1 Observations ..................................................................................................................... 6 3.1.1 Interior Observations ........................................................................................... 6 3.1.2 Utilities .................................................................................................................. 7 3.2 Interviews ........................................................................................................................... 7 3.3 Hazardous Substances and Wastes ............................................................................... 7 3.4 Storage Tanks ................................................................................................................... 7 3.4.1 Underground Storage Tank (UST) Systems ...................................................... 7 3.4.2 Above-ground Storage Tanks (ASTs) ................................................................ 8 3.4.3 In-Ground Hydraulic Equipment ......................................................................... 8 3.5 Solid Waste Disposal ........................................................................................................ 8 3.6 Polychlorinated Biphenyls (PCBs) .................................................................................. 8 3.7 Water, Wastewater and Storm Water Discharge ............................................................ 8 3.7.1 Discharge Sources .............................................................................................. 8 3.7.2 Oil/WaterDRAFT Separators, Clarifiers, Sumps and Trenches ................................... 8 3.7.3 Sanitary Systems ................................................................................................. 8 3.8 Wells ................................................................................................................................... 9 3.9 Non-Scope Considerations .............................................................................................. 9 3.9.1 Asbestos ............................................................................................................... 9 3.9.2 Lead-Based Paint ................................................................................................. 9 3.9.3 Radon .................................................................................................................. 10 3.9.4 Mold ..................................................................................................................... 10 4.0 SITE HISTORY .............................................................................................................................. 11 4.1 Agency Contacts ............................................................................................................. 11 4.1.1 Building Department .......................................................................................... 11 4.1.2 Fire and Health Departments ............................................................................ 11 EVREN Northwest, Inc. i 689-19006-01, Rev. 0, 7/5/19 4.1.3 Oregon Department of Environmental Quality ............................................... 11 4.2 Assessment Records ..................................................................................................... 12 4.2.1 Marion County Assessor’s Office .................................................................... 12 4.2.2 Environmental Lien Report ............................................................................... 12 4.3 Aerial Photographs ......................................................................................................... 12 4.4 Topographic Maps .......................................................................................................... 14 4.5 Historical Fire Insurance Sanborn Maps ...................................................................... 14 4.6 City Directories ................................................................................................................ 15 4.7 Previous Environmental Reports or Documents ......................................................... 15 4.7.1 Foss Environmental Services Co., Underground Storage Tank Decommissioning: Auburn Elementary School-4512 Auburn Road NE, Salem, Oregon, September 1993. ........................... 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Bookmark not defined. 4.8 Summary of Site History ................................................................................................ 15 5.0 REGULATORY AGENCY RECORDS .......................................................................................... 16 6.0 TIER 1 VAPOR ENCROACHMENT SCREEN .............................................................................. 18 6.1 Findings ........................................................................................................................... 18 6.2 Opinion ............................................................................................................................. 18 7.0 FINDINGS ...................................................................................................................................... 19 8.0 DATA GAPS .................................................................................................................................. 21 9.0 LIMITATIONS ................................................................................................................................ 22 DRAFT EVREN Northwest, Inc. ii 689-19006-01, Rev. 0, 7/5/19 TABLES, FIGURES, AND APPENDICES Tables Location 2-1 Property Identification .......................................................................................... Section 2 2-2 Surrounding Properties