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Interstate Technology & Regulatory Council LNAPL Training
Light Nonaqueous-Phase Liquids (LNAPL): Science, Management, and Technology
Two-Day Classroom Training
Boston, MA - April 5-6, 2012
Register now at https://www.regonline.com/ITRC-LNAPL-MA
(Register soon. Early bird pricing ends March 1.)
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API LNAPL Resources
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.
This easy-to-read brochure offers answers to practical and technical questions about cost-effective management, cleanup or closure of sites with groundwater impacted by light non-aqueous phase liquids (LNAPL), such as petroleum hydrocarbons. Click here to view the questions. Click below to download the brochure.
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API Publication 4760
May 28, 2008
API LDRM Version 1.2 addresses a units conversion error in Version 1.1 for the metric units output for skimmer well recovery rates.
The API LNAPL Distribution and Recovery Model (LDRM) simulates the performance of proven hydraulic technologies for recovering free-product petroleum liquid releases to groundwater. Model scenarios included in the LDRM are hydrocarbon liquid recovery using: single- and dual-pump well systems, skimmer wells, vacuum-enhanced well systems, and trenches. The LDRM provides information about LNAPL distribution in porous media and allows the user to estimate LNAPL recovery rates, volumes and times. View More
API Publication 4715
September 200
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This study provides quantitative theory and tools to evaluate LNAPL sources, their chemistry, and the effects various remediation strategies may have on groundwater and vapor exposure pathways. View More
February 2006
The Guide is designed to provide an overall approach for evaluating LNAPL at a site to assess its potential risk, quantitatively defining mobility and recoverability, developing remedial strategies, and examining methods to enhance site closure. View More
API Publication 4711
July 2001
Important fluid and soil property parameters are explained. Methods to measure
each parameter are presented in order of relevance for use in environmental free-product mobility/recovery assessments. View More
October 2006
This database is a collection of information about samples that have had their capillary parameters determined, as well as other physical parameters measured. Its purpose is to help users who are trying to characterize the movement and distribution of LNAPL within a site that has a limited set of direct observations. View More