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ASTM-E2600 2010

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E2600-10 Standard Guide for Vapor Encroachment Screening on Property Involved in Real Estate Transactions

Published By Publication Date Number of Pages
ASTM 2010 33
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1.1 Purpose The purpose of this guide is to provide practical guidance and a useful process for conducting a vapor encroachment screen (VES) on a property parcel involved in a real estate transaction in the United States of America with respect to chemicals of concern (COC) that may migrate as vapors onto a property as a result of contaminated soil and groundwater on or near the property. This guide may be used in conjunction with Practice E1527 but does not alter or in any way define the scope of that practice. In addition, performance of this guide is not a requirement of and does not constitute, expand, or in any way define all appropriate inquiry as defined and approved by the U.S. Environmental Protection Agency (EPA) under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and the regulations there under, including 40 CFR Sec. 312.11.

1.1.1 Vapor Encroachment Condition (VEC) The goal of conducting a VES , as established by this guide, on a parcel of property is to identify a vapor encroachment condition (VEC) , which is the presence or likely presence of COC vapors in the sub-surface of the target property (TP) caused by the release of vapors from contaminated soil or groundwater either on or near the TP as identified by Tier 1 (see Section 8) or Tier 2 (see Section 9) procedures.

1.1.2 Federal, State, and Local Environmental Laws This guide does not address requirements of any federal, state, or local laws with respect to vapor intrusion. Users are cautioned that federal, state, and local laws, regulations, or policy may impose vapor encroachment screening or vapor intrusion assessment obligations that are beyond the scope of this guide (information is provided in Appendix X5 and Appendix X9). Users should also be aware that there may be other legal obligations, for example, disclosure, with regard to COC or COC vapors discovered on the TP that are not addressed in this guide.

1.1.3 Documentation The scope of this guide includes investigation and reporting actions. Sufficient documentation of all sources, records, and resources used in the investigation procedures that are set out in this guide should be provided in the VES report (refer to Section 10).

1.2 Objectives Objectives guiding the development of this guide are: (1) to synthesize and put into writing a practical guide for conducting a VES on a property involved in a real estate transaction and (2) to provide that the process to screen for a VEC is practical and reasonable.

1.3 Considerations Outside the Scope The use of this guide is strictly limited to the scope set forth in this section. Section 11 of this guide identifies, for informational purposes, certain tasks (not an all-inclusive list) that may be conducted on a property that are beyond the scope of this guide but that may warrant consideration by parties to a real estate transaction . Whether to include an investigation of any such conditions in the environmental professional’s scope of services should be evaluated by the user and should be agreed upon between the user and environmental professional as additional services beyond the scope of this guide before initiation of a Phase I ESA conducted in conjunction with a VES or initiation of an independent VES .

1.4 Units The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5 Organization of This Guide This guide has eleven sections and nine appendices. The appendices are included for informational purposes and are not part of the procedures prescribed in this guide.

PDF Catalog

PDF Pages PDF Title
1 Scope
2 Referenced Documents
Terminology
5 Significance and Use
7 Relationship to Practice E1527 Phase I ESA
User’s Responsibilities
8 General Vapor Encroachment Screening Process
Tier 1 Screening
12 Tier 2 Screening
13 Evaluation and Report Preparation
14 Non-Scope Considerations
15 X1. LEGAL BACKGROUND IN SUPPORT OF VEC SCREENING PRACTICE
X1.1 Introduction and Summary
X1.2 Background: Owner Liability and Liability Protections
16 X1.3 AAI under CERCLA Is Pre-Acquisition Inquiry into the Presence of Hazardous Substances from a Release at a Property
17 X1.4 Chemicals in a Gas or Vapor Form Are Hazardous Substances Subject to All Appropriate Inquiries
X1.5 Relationship of the VE Standard Guide to a Practice E1527 Phase I ESA
18 X1.6 Conclusion
X2. ENVIRONMENTAL PROFESSIONAL QUALIFICATIONS AND RELEVANT EXPERIENCE
X2.1 Environmental Professional
X2.2 Relevant Experience
X3. QUESTIONNAIRE
X3.1
X3.2
19 X3.3
20 X4. RECOMMENDED TABLE OF CONTENTS AND REPORT FORMAT (For a VES conducted independent of a Phase I ESA)
X4.1 Summary
X4.2 Introduction
X4.3 Site Description
X4.4 User Provided Information
21 X4.5 Records Review
X4.6 Findings: Summary of Results of Investigation
X4.7 Opinion
X4.8 Conclusions
X4.9 Deviations
X4.10 References
X4.11 Signature(s) of Environmental Professional(s)
X4.12 Appendices
22 X5. FEDERAL AND STATE AGENCY VAPOR INTRUSION WEB RESOURCES
TABLE X5.1
23 X6. TYPICAL CHEMICALS OF CONCERN FOR THE VAPOR ENCROACHMENT SCREEN
X7. GENERALIZED GUIDANCE ON VAPOR INTRUSION ASSESSMENT AND MITIGATION ALTERNATIVES
X7.1 Vapor Intrusion Assessment Guidance
TABLE X6.1
25 X7.2 Vapor Intrusion Mitigation Alternatives
27 X8. DATA COLLECTION GUIDANCE DOCUMENTS FOR VAPOR INTRUSION ASSESSMENT (REFER TO APPENDIX X7)
X8.1
X8.2
X8.3
29 TABLE X8.1
30 X9. SUPPLEMENTAL BIBLIOGRAPHY
X9.1 ASTM Standards:
X9.2 U.S. EPA Documents
X9.3 Other Federal Agency Documents
X9.4 State Agency Documents
31 X9.5 Other Documents
32 LEGAL REFERENCES FOR APPENDIX X1
ASTM-E2600 2010
$58.50