API Soil and Groundwater Bulletins

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"

 

Bullet 21:
Evaluation of Potential Vapor Transport to Indoor Air Associated with Small-Volume Releases of Oxygenated Gasoline in the Vadose Zone

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Bulletin 17:
Identification of Critical Parameters for the Johnson and Ettinger (1991) Vapor Intrusion Model

 

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

Vadose Zone Natural Attenuation of Hydrocarbon Vapors: An Empirical Assessment Of Soil Gas Vertical Profile Data

Bulletin 14:
Predicting the Effect of Hydrocarbon and Hydrocarbon-Impacted Soil on Groundwater

Bulletin 13:
Dissolution of MTBE from a Residually Trapped Gasoline Source

Bulletin 12:
No-Purge Sampling: An Approach for Long-Term Monitoring

Simulation of Transport of Methyl Tert-Butyl Ether (MTBE) to Groundwater from Small-Volume Releases of Gasoline in the Vadose Zone

Non-Aqueous Phase Liquid (NAPL) Mobility Limits in Soil

Characteristics of Dissolved Petroleum Hydrocarbon Plumes Results From Four Studies

DAFfy Graphs: An Innovative Approach for Modeling the Soil to Groundwater Pathway

Evaluation of Sampling and Analytical Methods for Measuring Indicators of Intrinsic Bioremediation

Selective Subcritical Water Extraction of Aromatic and Aliphatic Organic Pollutants from Petroleum Industry Soils and Sludges

Ten Frequently Asked Questions About MTBE in Water

Estimation of Infiltration and Recharge for Environmental Site Assessment

Summary of Processes, Human Exposures and Remediation Technologies Applicable to Low Permeability Soils