API-sponsored research yields practical tools and basic science for risk-based, cost-effective decision making.
API Soil and Groundwater Research Bulletins summarize research results from projects overseen by API's Soil and Groundwater Technical Task Force. The Task Force disseminates information and research results through publications, presentations and interaction with industry clients and regulatory agencies.
All bulletins listed below are in PDF format. We suggest using Acrobat Reader Version 5.0 or higher for viewing and printing. If you do not have Acrobat Reader, click the button below to download the software for free.
Bulletin 24: Downward Solute Plume Migration: Assessment Significance and Implications for Characterization and Monitoring of "Diving Plumes"
Download File Size: 2.6 MB Version Date: April 2006 OS: PC/Mac | License: Free
Poster:
Download File Size: 5.5 MB Version Date: April 2006 OS: PC/Mac | License: Free Bulletin 23: The Impact of Gasohol and Fuel-Grade Ethanol on BTX and Other Hydrocarbons in Ground Water: Effect on Concentrations Near a Source
Download File Size: 768 KB Version Date: December 2005 OS: PC/Mac | License: Free Bulletin 22: Maximum Potential Impacts of Tertiary Butyl Alcohol (TBA) on Groundwater from Small-Volume Releases of Ethanol-Blended Gasoline in the Vadose Zone
Download File Size: 325 KB Version Date: January 2005 OS: PC/Mac | License: Free Bullet 21: Evaluation of Potential Vapor Transport to Indoor Air Associated with Small-Volume Releases of Oxygenated Gasoline in the Vadose Zone
Download File Size: 308 KB Version Date: January 2005 OS: PC/Mac | License: Free Bulletin 20: Answers to Frequently Asked Questions About Ethanol Impacts to Groundwater
Download File Size: 260 KB Version Date: December 2003 OS: PC/Mac | License: Free Bulletin 19: Evaluation of Small-Volume Releases of Ethanol-Blended Gasoline at UST Sites
Download File Size: 180 KB Version Date: October 2003 OS: PC/Mac | License: Free Bulletin 18: Answers to Frequently Asked Questions About Managing Risk at LNAPL Sites
High Resolution Version:
Download File Size: 5.2 MB Version Date: May 2003 OS: PC/Mac | License: Free
Low Resolution Version:
Download File Size: 316 KB Version Date: May 2003 OS: PC/Mac | License: Free
Bulletin 17: Identification of Critical Parameters for the Johnson and Ettinger (1991) Vapor Intrusion Model
Download File Size: 1.0 MB Version Date: May 2002 OS: PC/Mac | License: Free Bulletin 16: Migration of Soil Gas Vapors to Indoor Air: Determining Vapor Attenuation Factors Using a Screening-Level Model and Field Data from the CDOT-MTL
Download File Size: 1.0 MB Version Date: May 2002 OS: PC/Mac | License: Free Bulletin 15: Vadose Zone Natural Attenuation of Hydrocarbon Vapors: An Empirical Assessment Of Soil Gas Vertical Profile Data
Download File Size: 448 KB Version Date: December 2001 OS: PC/Mac | License: Free Bulletin 14: Predicting the Effect of Hydrocarbon and Hydrocarbon-Impacted Soil on Groundwater
Download File Size: 248 KB Version Date: September 2001 OS: PC/Mac | License: Free Bulletin 13: Dissolution of MTBE from a Residually Trapped Gasoline Source
Download File Size: 248 KB Version Date: September 2000 OS: PC/Mac | License: Free Bulletin 12: No-Purge Sampling: An Approach for Long-Term Monitoring
Download File Size: 680 KB Version Date: October 2000 OS: PC/Mac | License: Free Bulletin 11: Strategies for Characterizing Subsurface Releases of Gasoline Containing MTBE
Download File Size: 252 KB Version Date: August 2000 OS: PC/Mac | License: Free Bulletin 10: Simulation of Transport of Methyl Tert-Butyl Ether (MTBE) to Groundwater from Small-Volume Releases of Gasoline in the Vadose Zone
Download File Size: 192 KB Version Date: June 2000 OS: PC/Mac | License: Free Bulletin 9: Non-Aqueous Phase Liquid (NAPL) Mobility Limits in Soil
Download File Size: 492 KB Version Date: June 2000 OS: PC/Mac | License: Free Bulletin 8: Characteristics of Dissolved Petroleum Hydrocarbon Plumes Results From Four Studies
Download File Size: 216 KB Version Date: December 1998 OS: PC/Mac | License: Free Bulletin 7: DAFfy Graphs: An Innovative Approach for Modeling the Soil to Groundwater Pathway
Download File Size: 136 KB Version Date: August 1998 OS: PC/Mac | License: Free Bulletin 5: Evaluation of Sampling and Analytical Methods for Measuring Indicators of Intrinsic Bioremediation
Download File Size: 300 KB Version Date: February 1998 OS: PC/Mac | License: Free Bulletin 4: Selective Subcritical Water Extraction of Aromatic and Aliphatic Organic Pollutants from Petroleum Industry Soils and Sludges
Download File Size: 132 KB Version Date: July 1998 OS: PC/Mac | License: Free Bulletin 3: Ten Frequently Asked Questions About MTBE in Water
Download File Size: 40 KB Version Date: March 1998 OS: PC/Mac | License: Free Bulletin 2: Estimation of Infiltration and Recharge for Environmental Site Assessment
Download File Size: 116 KB Version Date: March 1997 OS: PC/Mac | License: Free Bulletin 1: Summary of Processes, Human Exposures and Remediation Technologies Applicable to Low Permeability Soils
Download File Size: 80 KB Version Date: September 1996 OS: PC/Mac | License: Free
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