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IDEM Remediation Closure Guide

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IDEM Remediation Closure Guide INDIANA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT Remediation Closure Guide March 22, 2012 With corrections through July 9, 2012 Office of Land Quality Indiana Department of Environmental Management Disclaimer This Nonrule Policy Document (NPD) is being established by the Indiana Department of Environmental Management (IDEM) consistent with its authority under IC 13-14-1-11.5. It is intended solely as guidance and shall be used in conjunction with applicable rules or laws. It does not replace applicable rules or laws, and if it conflicts with these rules or laws, the rules or laws shall control. Pursuant to IC 13-14-1-11.5, this NPD will be available for public inspection for at least forty-five (45) days prior to presentation to the appropriate State Environmental Board, and may be put into effect by IDEM thirty (30) days afterward. If the NPD is presented to more than one board, it will be effective thirty (30) days after presentation to the last State Environmental Board. IDEM also will submit the NPD to the Indiana Register for publication. INDIANA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT Acknowledgements The Department of Environmental Management (IDEM) - Office of Land Quality would like to thank the following organizations and individuals who contributed either directly or indirectly to the development of the Remediation Closure Guide Nonrule Policy Document. Technical Workgroups Background Jia Guo, URS; Brian Magee, ARCADIS U.S., Inc.; Ray Milejczak, Seabreeze Technologies; Steve Schubring, AECOM Closure Tables Lisa Bradley, AECOM; Robinan Gentry, ENVIRON; Melissa Hamer-Bailey, Enviro-Assist Plume Stability John Mundell, Mundell & Associates; Joe Ricker, Premier Environmental; Ron St. John, St. John-Mittelhauser & Associates; Steve Stanford, Weaver Boos & Gordon Site Characterization Konrad Banaszak, EnviroForensics; Mark Flavin, Environ International; Jim King, Haley & Aldrich; Andrew Trowbridge, URS Vapor Intrusion JP Hogan, ECC Horizon; John McInnes, Stantec; Rod Thompson, Risk Options LLC; Laura Trozzolo, AECOM; Rob Uppencamp, ARCADIS U.S., Inc. Manufactured Gas Plants (MGP) Jessica Bednarcik, Duke Energy; Joe Ferry, NiSource; John Havard, Citizens Energy Group; Ann McIver, Citizen’s Gas; Pat McKee, Duke Energy; David Nakles, AECOM; Steve Spears, Vectren Total Petroleum Hydrocarbons (TPH) Karl Anderson, Pace Laboratories; Erin Burke, BP; Robert Crookston, Microbac Laboratories; Drew Kortz, AEC; Paul Troy, Troy Risk Water Resources Jim Sullivan and Pat Carroll, IDEM-Office of Water Quality; Mark Basch and Jerry Unterreiner, Department of Natural Resources-Water; George Brown and John Hardwick, Valparaiso Water Operations/AWWA; Odetta Cadwell, Indiana Rural Water Association; Sherrae Davis and Dale Pershing, Veolia Water-Indianapolis; Leighanne Hahn, Indiana Water Resources Association; John Hulewicz, Elkhart County Health Department; Mike Hardesty, Eastern Heights Utilities; Ryan Murray, Indianapolis Water/Bingham McHale; Jamie Palmer, IUPUI Center for Urban Policy and the Environment; Keith Reeves, Columbus Utilities; Jeff Robinson, Indiana American Water; Phil Smith, Smith Consulting Group; Lenore Tedesco, IUPUI Geology/ Center for Earth and Environment Science; Pam Thevenow, Marion County Health and Hospital Corporation; David Tungate, South Bend Water Works; Jodie Woods, Indiana Association of Cities and Towns Thanks also to the Technical Workgroup participants from the Office of Land Quality who developed this document: Michael Anderson, Craig Barker, Dave Becka, Chris Bonniwell, Kevin Davis (IFA), William Davis, Nancy Dollar, Krista Gremos, Mike Habeck, Megan Hamilton, Bill Hayes, Richard Harris, Susan Horein, Lorri Katzfey, Sarah Finley Johanson, Scott Johanson, Fran Metcalfe, Kristy McIntire, Wilfred Michira, Jeff Moody, Bob Moran, Bruce Oertel, Jim Risch, Bill Robinson, Craig Schroer, Jeff Sewell, Robert Sonnefield, Elizabeth Spalt, Kevin Spindler, Laura Steadham, Larry Studebaker, Harold Templin and The Decisions for Risk Assessment Policy Panel (DeRAPP) members who provided guidance and direction: Peggy Dorsey, Michael Anderson, Chris Bonniwell, Steve Buckel, Nancy Dollar, Mike Habeck, Richard Harris, Pat Likins, Barb Lollar, Bob Moran, Bruce Oertel, Jeff Sewell, Craig Schroer, Mike Sickels, Laura Steadham, Larry Studebaker, Harold Templin, Vic Windle The Office of Land Quality would like to recognize the Midwestern States Environmental Consultants Association (MSECA) for their assistance. IDEM Editorial Team: Mike Habeck (lead); Jeff Sewell (coordinator); Michael Anderson, Eileen Hack, Megan Hamilton, Richard Harris, Brett Hicks, Elisabeth Solchik, Pat Troth. INDIANA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT Table of Contents Section 1: Introduction ...........................................................................................11 1.1 Purpose .....................................................................................................11 1.2 Applicability .................................................................................................12 1.3 Remediation Objectives ................................................................................13 1.3.1 Screening Levels .....................................................................................15 1.3.2 Site-specific Levels .................................................................................15 1.3.3 Risk Characterization ..............................................................................16 1.3.4 Risk Management ...................................................................................17 1.4 Process Overview..........................................................................................18 Section 2: Conceptual Site Model (CSM) Development: Presampling ..............21 2.1 CSMs .....................................................................................................21 2.1.1 CSM Overview Diagram ........................................................................22 2.2 Records Review ............................................................................................24 2.3 Site Visit .....................................................................................................25 2.4 Land Use .....................................................................................................26 2.5 Geologic Setting............................................................................................27 2.6 Susceptible Areas ..........................................................................................28 2.7 Planning Sampling and Quality Assurance Project Plans (QAPPs) .............29 2.8 Choosing Areas to Sample ............................................................................30 2.9 Identifying Potential Contaminants ..............................................................30 2.10 Choosing Media to Sample ...........................................................................31 2.11 Sampling Design ...........................................................................................31 Section 3: Conceptual Site Model (CSM) Development: Sampling ...................33 3.1 Introduction ...................................................................................................33 3.2 Sampling Soils ..............................................................................................34 3.2.1 Sampling Surface Soil.............................................................................34 3.2.2 Sampling Excavation Walls and Bottoms...............................................34 3.2.3 Sampling Subsurface Soil .......................................................................35 3.2.4 Sampling VOCs in Soils .........................................................................36 3.3 Sampling Ground Water ...............................................................................37 3.4 Sampling Vapor ............................................................................................38 3.5 Sampling Fill .................................................................................................38 3.6 Sampling Other Media ..................................................................................38 3.7 Extent of Investigation ..................................................................................39 3.7.1 Delineation ..............................................................................................39 3.8 Sample Handling ...........................................................................................42 3.9 Sample Analysis and Reporting ....................................................................43 3.9.1 Quality Assurance/Quality Control Elements .........................................43 3.10 Data Evaluation .............................................................................................46 3.10.1 Verification .............................................................................................46 3.10.2 Validation ................................................................................................46 Remediation Closure Guide with corrections through July 9, 2012 5 Table of Contents 3.10.3 Comparison with User Requirements .....................................................46 3.11 CSM Documentation ....................................................................................47 Section 4: Conceptual Site Model (CSM) Development: Plume Behavior ........49 4.1 Introduction ...................................................................................................49
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