Publications & Presentations

Focused on striving to stay at the forefront of the environmental industry and how it responds to clients’ business needs, the principals and key staff of EXCALIBUR have shared their ideas and insights on cutting edge solutions in several forums. Abstracts of some recent examples are presented below
Excerpt 1:  Innovative Ship Yard Wastewater Collection and Treatment System

Excerpt 1: Innovative Ship Yard Wastewater Collection and Treatment System

Proceedings of the National Shipbuilders Research Program, Environmental Technologies Conference, Ketchikan, Alaska.    Roberts, Eric and G. Erickson, M Davis and R. Tabachow. Read more…

Excerpt 2:  Common Factors in In-Situ Remediation Failures

Excerpt 2: Common Factors in In-Situ Remediation Failures

Proceedings of the Tenth International In-Situ and On-Site Bioremediation Symposium, Baltimore, MD.  Tabachow, Ross and R.M. Lowe and E. Roberts. Read more…

Excerpt 3: Observed Contaminant Half-Lives - Will Natural Attenuation Achieve the Goal?

Excerpt 3: Observed Contaminant Half-Lives – Will Natural Attenuation Achieve the Goal?

Proceedings of the Tenth International In-Situ and On-Site Bioremediation Symposium, Baltimore, MD.  Roberts, Eric and R. M. Lowe, B. Roberts, and R.Tabachow. Read more…

Excerpt 4: Microbial Consortium Shifts Induced by Oxygen Amendment at Multiple MTBE and Benzene Sites

Excerpt 4: Microbial Consortium Shifts Induced by Oxygen Amendment at Multiple MTBE and Benzene Sites

Proceedings of the Sixth International Conference, Remediation of Chlorinated and Recalcitrant Compounds, Monterey, CA.  Roberts, E. and G. Davis, D. McElroy, F. Markert, and R. Tabachow. Read more…

Excerpt 5:  The Unmet Challenges of Performance-Based Contracting –  Are Hybrid Contracts the Answer?

Excerpt 5: The Unmet Challenges of Performance-Based Contracting –  Are Hybrid Contracts the Answer?

Proceedings of the Sixth International Conference, Remediation of Chlorinated and Recalcitrant Compounds, Monterey, CA.  Tabachow, R. and G. Back, F. Markert, and E. Roberts. Read more…

Excerpt 6:  Multi-site Application of Molecular Biological Tool Reveals Variable MTBE and Benzene Biodegradation Potential

Excerpt 6: Multi-site Application of Molecular Biological Tool Reveals Variable MTBE and Benzene Biodegradation Potential

Proceedings of the Ninth International In-Situ and On-Site Bioremediation Symposium, Baltimore, MD.  Tabachow, R., R. Breakwell, F. Markert, J. Ozog, Jr., W. Peyton, E. Raes and E. Roberts. Read more…

Excerpt 7:  Stable Isotope-Labeled MTBE & Benzene in In-Situ Biotraps Reveal  Biodegradation Rates

Excerpt 7: Stable Isotope-Labeled MTBE & Benzene in In-Situ Biotraps Reveal  Biodegradation Rates

Proceedings of the Fifth International Conference on Remediation of Chlorinated and Recalcitrant Compounds, Monterey, CA.  Roberts, E.,  G. Davis, M. Lowe, J.Ozog, E. Raes, K. Sublette, J. Harris, Z. Zhong, and  R. Tabachow. Read more…

Excerpt 8:  Indigenous Inorganic Constituents and RCRA Closures in Virginia. 

Excerpt 8: Indigenous Inorganic Constituents and RCRA Closures in Virginia

Proceedings of the Ninth Annual Environment Virginia Symposium, Virginia Military Institute. Roberts, E. and Wendt, S. Read more…

Excerpt 9:  The Forensics of MTBE "Spikes" in Groundwater Investigations 

Excerpt 9: The Forensics of MTBE “Spikes” in Groundwater Investigations

Proceedings of the Eighth International In-Situ and On-Site Bioremediation Symposium, Baltimore, MD.  Back, G, E. Roberts and G. Schmidt. Read more…

Excerpt 10:  Remediation Strategy for Paint Plant with 1,1,1-TCA in a Dual Aquifer System.

Excerpt 10: Remediation Strategy for Paint Plant with 1,1,1-TCA in a Dual Aquifer System. 

Proceedings of the Eighth International In-Situ and On-Site Bioremediation Symposium, June 2005.  Roberts, E, C. Nguyen, J. Aichroth and ML Capichioni. Read more…

Excerpt 11: Active Remediation's Toll on the Environment.

Excerpt 11: Active Remediation’s Toll on the Environment.

Proceedings of the Eighth International In-Situ and On-Site Bioremediation Symposium.  Bauer, N., E. Roberts and R. Lanza. Read more…

Excerpt 12:  In-Situ Chemical Oxidation Limited by Site Conditions - A Case Study. 

Excerpt 12: In-Situ Chemical Oxidation Limited by Site Conditions – A Case Study.

Proceedings of the Second International Conference on the Remediation of Chlorinated and Recalcitrant Compounds.  Roberts, E., and Bauer, N. Read more…

Excerpt 13:  Vacuum Vapor Extraction, Design and Application, a Monograph Series

Excerpt 13: Vacuum Vapor Extraction, Design and Application, a Monograph Series.

WASTECH and the American Academy of Environmental Engineers.  Holbrook, T,  Bass, D,  Boersma, P, Diguilio, D,  Eisenbeis, J,  Hutzler, N and Roberts, E. Read more…

Excerpt 14:  Selection of Practical Remedial Approaches.

Excerpt 14: Selection of Practical Remedial Approaches.

Proceedings of the Twenty-ninth Mid-Atlantic Industrial and Hazardous Waste Conference, Virginia Polytechnic Institute.  Roberts, E. and Wendt, S. Read more…

Excerpt 15:  Are In-situ Approaches the Answer to Remediation?

Excerpt 15: Are In-situ Approaches the Answer to Remediation?

Virginia’s Environment Magazine, Vol. 4, No. 2.  Wendt, S. and Roberts, E. Read more…