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Guidance for disposal site risk characterization in support of the Massachusetts contingency plan : chapter 9 method 3 environmental risk characterization PDF

116 Pages·1996·5.8 MB·English
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Preview Guidance for disposal site risk characterization in support of the Massachusetts contingency plan : chapter 9 method 3 environmental risk characterization

eA^^oSLtG^H/s AM59. RIM FINAL POLICY UMASS/AMHERST BWSC/ORS-95-141 3120bLDlt.b7^D42 GUIDANCE FOR DISPOSAL SITE RISK CHARACTERIZATION In Support of the Massachusetts Contingency Plan ### ##* Chapter 9 Method 3 Environmental Risk WT 1 7 199? documents amxcriQ* Published by William Francis Galvin Commonwealth Secretary of the Massachusetts Department of Environmental Protection Bureau of Waste Site Cleanup and Office of Research and Standards April, 1996 $7.85 Commonwealth of Massachusetts Executive Office of Environmental Affairs Department of Environmental Protection ONE WINTER STREET, BOSTON MA 02108 (617) 292-5500 WILLIAM WELD TRUDY COXE F. Governor Secretary ARGEO PAUL CELLUCCI DAVID STRUHS B. Lt. Governor April 22, 1996 Commissioner To All Interested Parties: Attached please find the Environmental Risk Characterization section of the Guidance for Disposal Site Risk Characterization, the main body of which was published in July of 1995 as an Interim Final Policy WSC/ORS-95-141. As an Interim Final Policy, reviewers and users are encouraged to submit comments and recommendations for revision through December 1996. In the interim, however, the guidance may be used and cited as a reference in risk characterizations conducted to meet the requirements of the MCP. This document was developed through the efforts of the Environmental Risk Characterization Workgroup, which is composed of ecological risk assessors from private consulting firms, U.S. EPA and Massachusetts Fish and Wildlife and Massachusetts DEP. Members of the Workgroup are listed in the Foreword of the Guidance for Disposal Site Risk Characterization. The Workgroup focused on technical and scientific issues critical to development of the guidance. A number of policy issues remain under consideration, for example, questions related to the We application of surface water standards at disposal sites. expect that, as more environmental risk characterizations are conducted pursuant to meeting MCP requirements, we will revise this document to reflect the practical experience gained. DEP is also establishing an "Environmental Risk Characterization Review Panel" (a subcommittee of the Waste Site Cleanup Program Advisory Committee) to review environmental risk characterization reports voluntarily submitted for the panel's evaluation and comment. Based on the Panel's recommendations and the experience of other users, we expect to re-evaluate and We revise appropriate sections of the guidance. hope that continued review and discussion will ultimately ensure that this document provides clear and practical guidance for conducting ecological risk characterizations. Please direct any questions or comments on this document to Nancy Bettinger in DEP's Office of Research and Standards. Ms. Bettinger may be reached by telephone (617/556-1 159) or electronic mail ([email protected]). C. Colnran Cbs r. ae Assistant Commissioner, Digitized by the Internet Archive 2012 with funding from in Member Boston Library Consortium Libraries http://archive.org/details/guidancefordisposaOOmass GUIDANCE FOR DISPOSAL SITE RISK CHARACTERIZATION SUPPORT OF THE MASSACHUSETTS CONTINGENCY PLAN IN *** *** CHAPTER 9 Method 3 Environmental Risk Charaterization INTERIM FINAL POLICY WSC/ORS-95-141 MASSACHUSETTS DEPARTMENT OF ENVIRONMENTAL PROTECTION BUREAU OF WASTE SITE CLEANUP and OFFICE OF RESEARCH AND STANDARDS 1996 April Commonwealth of Massachusetts Executive Office of Environmental Affairs Department of Environmental Protection ONE WINTER STREET, BOSTON MA 02108 (617) 292-5500 TRUDY COXE WELD WILLIAM F. Secretary Governor ARGEO PAUL CELLUCCI DAVID B. STRUHS Commissioner Lt. Governor GUIDANCE FOR ENVIRONMENTAL RISK CHARACTERIZATION in Support of the Massachusetts Contingency Plan Interim Final Policy #WSC/ORS-95-1 41 This document provides guidance for environmental risk characterization for disposal sites contaminated by oil and/or hazardous material. It is a component of Guidance for Disposal Site Risk Characterization (Interim Final Policy #WSC/ORS-95-141), which provides guidance for characterizing the risk of harm to health, safety, public welfare and the environment at disposal sites. This document does not create any substantive or procedural rights, and is not enforceable by any party in any administrative proceeding with the Commonwealth. The regulations related to the characterization of risk of harm to the environment contain both specific and general requirements. In addition to summarizing specific requirements, this document also provides guidance on what approaches the Department considers acceptable for meeting the general requirements set forth in the regulations. Parties using this guidance should be aware that there may be other acceptable alternatives to this guidance for achieving compliance with such general regulatory requirements. The regulatory citations provided throughout this document are not meant to be, and should not be relied upon to be, a complete list of all the regulatory requirements for risk characterization. Parties CMR undertaking a risk characterization for a site should consult 310 40.0000 (MCP) for applicable requirements. ±k tawi?/) lM-<«- James CJColman Date Assistant Commissioner Bureau of Waste Site Cleanup Carol Rowan West Date Director Office of Research and Standards SECTION 9.0 METHOD 3 - ENVIRONMENTAL RISK CHARACTERIZATION INTRODUCTION 9.1 9-1 9.1.1 Risk Characterization Methods 9-1 9.1.2 General Risk Characterization Requirements 9-2 9.1.3 Stage I Environmental Screening 9-2 9.1.4 Risk Characterization/Remediation Sequence 9-4 9.1.5 Guidance Document Objectives 9-5 9.1.6 Relationship of Environmental Risk Characterization to Natural Resource Damage Assessments 9-6 9.1.7 Outline of the Remainder of Section 9.0 9-8 9.2 GENERAL RISK CHARACTERIZATION CONSIDERATIONS 9-9 9.2.1 Regulatory Objectives of Environmental Risk Characterization 9-9 9.2.2 Implementation Goals 9-10 MCP 9.2.3 Possible Outcomes of an Environmental Risk Characterization 9-11 9.2.4 Identification of Cleanup Goals 9-12 9.2.5 Feasibility Study Considerations 9-12 9.3 MCP PROCESS FOR QUANTITATIVE ENVIRONMENTAL RISK CHARACTERIZATION 9-13 9.3.1 Stage I Environmental Screening 9-14 9.3.2 Stage II Environmental Risk Characterization 9-15 9.3.3 Concluding Remarks 9-50 9.4 AQUATIC HABITATS AND ORGANISMS 9-52 9.4.1 Background Determination 9-54 9.4.2 Stage Screening 9-56 I 9.4.3 Stage II Environmental Risk Characterization (Aquatic Habitats) 9-60 9.5 TERRESTRIAL ORGANISMS AND HABITATS 9-68 9.5.1 Background Determination 9-68 9.5.2 Stage Screening 9-68 I 9.5.3 Stage II Environmental Risk Characterization (Terrestrial Organisms and Habitats) 9-72 9.6 WETLAND HABITATS 9-90 9.6.1 Wetland Classification and Delineation 9-90 9.6.2 Wetlands Protection Considerations 9-92 9.6.3 Stage Environmental Screening 9-93 I 9.6.4 Stage II Environmental Risk Characterization 9-94 9.7 APPLICABLE OR SUITABLY ANALOGOUS STANDARDS 9-95 9.7.1 Massachusetts Surface Water Quality Standards 9-95 9.7.2 Massachusetts Wetlands Regulations 9-98 Guidance for Disposal Site Interim Final Policy WSC/ORS-95-141 Risk Characterization Massachusetts DEP. 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