LNAPLs Resources & Links

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Information Sheets

Evaluating LNAPL Remedial Technologies for Achieving Project Goals (LNAPL-2, December 2009)

LNAPLs Team Project Summary (DOC)

Technical Publications

Online companion resources to LNAPL-2 (Evaluating LNAPL Remedial Technologies for Achieving Project Goals) include: Compiled Comments and Responses (PDF)

State Guidance Referencing ITRC LNAPL Documents

California Leaking Underground Fuel Tank Guidance Manual (September 2012)

Iowa Department of Natural Resources Underground Storage Tank Section, Tier 2 Site Cleanup Report Guidance: Site Assessment of Leaking Underground Storage Tanks Using Risk-Based Corrective Action (2015)

Kansas Bureau of Environmental Remediation Policy # BER-041, Total Petroleum Hydrocarbons (TPH) and Light Non-Aqueous Phase Liquid (LNAPL) Characterization, Remediation and Management (September 1, 2015)

Massachusetts Department of Environmental Protection, Light Nonaqueous Phase Liquids (LNAPL) and the MCP: Guidance for Site Assessment and Closure, Policy #WSC-16-450 (February 19, 2016)

Michigan Non-Aqueous Phase Liquid (NAPL) Characterization, Remediation, and Management for Petroleum Releases (June 2014)

Minnesota Pollution Control Agency’s LNAPL Management Strategy Guidance

Montana Department of Environmental Quality, Remediation Division’s Montana Light Non-Aqueous Phase Liquid (LNAPL) Recovery and Monitoring Guidance (July 15, 2013)

New Jersey Department of Environmental Protection’s Monitored Natural Attenuation Technical Guidance (Version: 1.0, March 1, 2012)

New Jersey Department of Environmental Protection Site Remediation Program Light Non-aqueous Phase Liquid (LNAPL) Initial Recovery and Interim Remedial Measures Technical Guidance (June 29, 2012, Version 1.2)

Virginia Department of Environmental Quality, Storage Tank Program’s Case Closure Evaluation of Sites with Free Product (DEQ Guidance Document #LPR-SRR-03-2012, December 28, 2012)

Washington Guidance for Remediation of Petroleum Contaminated Sites, Publication No. 10-09-057 (revised October 2011)

Know of additional state guidance documents that reference ITRC documents and/or training? Email us at [email protected] with the link to the state guidance document.


Contaminated Land: Applications in Real Environments (CL:AIRE) An Illustrated Handbook of LNAPL Transport and Fate in the Subsurface (2014)

Applied NAPL Science Review (ANSR) is a scientific ejournal that provides insight into the science behind the characterization and remediation of Non-Aqueous Phase Liquids (NAPLs)

Non-Aqueous Phase Liquid (NAPL) Cleanup Alliance
Part of the Remediation Technologies Development Forum (RTDF) – a public/private partnership operated by the U.S. EPA

US EPA Remediation Technologies Development Forum:  Non-Aqueous Liquid Cleanup Alliance:   https://rtdf.clu-in.org/public/napl/.  This RTDF contains the US EPA publication A Decision-Making Framework for Cleanup of Sites Impacted with Light Non-Aqueous Phase Liquids(USEPA OSWER 542-R-04-011), technical training material, and technical information imbedded in the meeting minutes.

American Society for Testing and Materials (ASTM): Standard Guide for Development of Conceptual Site Models and Remediation Strategies for Light Non-aqueous Phase Liquids Released to the Subsurface (ASTM E2531 – 06):  http://www.astm.org/Standards/E2531.htm.

American Petroleum Institute Light Non-Aqueous Phase Liquid Resource Center:
http://www.api.org/ehs/groundwater/lnapl/index.cfm.  The LNAPL Resource Center contains manuals, software and other technical material to help you address cleanup of free-phase petroleum hydrocarbons in the shallow subsurface.

Alaska Statement of Cooperation Working Group Maximum Allowable Concentration, Residual Saturation, and Free-Product Mobility Technical Background Document and Recommendationshttp://www.dec.state.ak.us/spar/csp/soc.htm.

Texas Commission on Environmental Quality guidance document Risk-Based NAPL Management (RG-366/TRRP-32): https://www.tceq.texas.gov/assets/public/comm_exec/pubs/rg/rg-366-trrp-32.pdf.

Wisconsin Department of Commerce &  Wisconsin Department of Natural Resources Assessment Guidance for Sites with Residual Weathered Product (PUB-RR-787):

Massachusetts Licensed Site Professionals LNAPLs and the Massachusetts Contingency Plan Part I:

Massachusetts Licensed Site Professionals LNAPLs and the Massachusetts Contingency Plan Part II:

CONCAWE:  European oil industry guideline for risk-based assessment of contaminated sites (revised)

Science Advisory Board for Contaminated Sites in British Columbia Approaches and Methods for Evaluation of Light Non-Aqueous Phase Liquid Mobility – Hydrogeological Assessment Tools Project:

ITRC DNAPLs Team guidance documents:  http://www.itrcweb.org/Guidance/ListDocuments?TopicID=5&SubTopicID=9

Environment Canada Oil Properties Database: