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Holton, C., Y. Guo, H. Luo, P. Dahlen, K. Gorder, E. Dettenmaier, and P.C. Johnson. 2015. Long-term Evaluation of the Controlled Pressure Method for the Assessment of the Vapor Intrusion Pathway. Environ. Sci. Technol. 49 (4), 2091–2098.
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Hers, I., P. Jourabchi, M.A. Lahvis, P. Dahlen, H. Luo, P.C. Johnson, G.E. DeVaull, and K.U. Mayer. 2014. Evaluation of Seasonal Factors on Petroleum Hydrocarbon Vapor Biodegradation and Intrusion Potential in a Cold Climate. Ground Water Monitoring and Remediation. 34 (4). 60-78.
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Cavanagh, B.A., P.C. Johnson, and E.J. Daniels. 2014. Reduction of Diffusive Emissions from a Dissolved Source in a Lower Permeability Layer by Sodium Persulfate Treatment. Environ. Sci. Technol. 48 (24). 14582–14589.
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McAlary, T., H. Groenevelt, S. Seethapathy, P. Sacco, D. Crump, M. Tuday, B. Schumacher,H. Hayes, P. Johnson, and T. Górecki. 2014. Quantitative passive soil vapor sampling for VOCs- part 2: laboratory experiments. Environ. Sci.: Processes Impacts. 16. 491-500.
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McAlary, T., H. Groenevelt, P. Nicholson, S. Seethapathy, P. Sacco, D. Crump, M. Tuday, H. Hayes, B. Schumacher, P. Johnson, T. Górecki and I. Rivera-Duarte. 2014. Quantitative passive soil vapor sampling for VOCs- part 3: field experiments. Environ. Sci.: Processes Impacts. 16. 501-510.
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Ekre, R., P.C. Johnson, B. Rittmann, and R. Krajmalnik-Brown. 2014. Method for Assessing Source Zone Natural Depletion at Chlorinated Aliphatic Spill Sites. Ground Water Monitoring and Remediation. doi: 10.1111/gwmr.12049.
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Clifton, L.M., P. Dahlen, and P.C. Johnson. 2014. Effect of Dissolved Oxygen Manipulation on Diffusive Emissions from NAPL-Impacted Low Permeability Soil Layers. Environ. Sci. Technol. 48, 5127−5135.
- Holton, C., H. Luo, P. Dahlen, K. Gorder, E. Dettenmaier, and P.C. Johnson. Temporal Variability of Indoor Air Concentrations under Natural Conditions in a House Overlying a Dilute Chlorinated Solvent Groundwater Plume. Environ. Sci. Technol (2013).
- Luo, H., P.R. Dahlen, P.C. Johnson, T.R. Peargin. Proof-of-Concept Study of an Aerobic Vapor Migration Barrier Beneath a Building at at Petroleum Hydrocarbon-Impacted Site. Environ. Sci. Technol (2013).
- Leeson, A., H.F. Stroo, and P.C. Johnson. Groundwater Remediation Today and Challenges and Opportunities for the Future. Groundwater (2012).
- Stroo, H.F., A. Leeson., J.A. Marqusee, P.C. Johnson, C.H. Ward, M.C. Kavanagh, T.C. Sale, C.J. Newell, K.D. Pennell, C.A. LeBron, M. Unger. Chlorinated Ethene Source Remediation: Lessons Learned. Environ. Sci. Technol (2012).
- Johnson, P.C., C.L. Bruce, K.D. Miller. A Practical Approach to the Design, Monitoring, and Optimization of In Situ MTBE Aerobic Biobarriers. Ground Water Monitoring and Remediation (2010).
- Kingston, J.T, P.R. Dahlen, and P.C. Johnson. State of the Practice Review of In Situ Thermal Technologies. Ground Water Monitoring and Remediation (2010).
- Lesser, L.E., P.C. Johnson, G.E. Spinnler, C.L. Bruce, and J.P. Salanitro. Spatial Variation in MTBE Biodegradation Activity of Aquifer Solids Samples Collected in the Vicinity of a Flow-Through Aerobic Biobarrier. Ground Water Monitoring and Remediation (2010).
- Johnson, P.C., R.A. Ettinger, J.P. Kurtz, R. Bryan, and J.E. Kester. Empirical Assessment of Ground Water–to-Indoor Air Attenuation Factors for the CDOT-MTL Denver Site. Ground Water Monitoring and Remediation (2009).
- Luo, H., P. Dahlen, P.C. Johnson, T. Peargin, and T. Creamer. Spatial Variability of Soil-Gas Concentrations near and beneath a Building Overlying Shallow Petroleum Hydrocarbon–Impacted Soils. Ground Water Monitoring and Remediation (2009).
- McAlary, T. and P.C. Johnson. Vapor Intrusion. Ground Water Monitoring and Remediation (2009).
- Lesser, L.E, P. C. Johnson, R. Aravena, G.E. Spinnler, C.L. Bruce, and J.P. Salanitro. An Evaluation of Compound-Specific Isotope Analyses for Assessing the Biodegradation of MTBE at Port Hueneme, CA. Environmental Science and Technology (2008).
- Lundegard, P.D., P.C. Johnson, and P. Dahlen. Oxygen Transport from the Atmosphere to Soil Gas Beneath a Slab-on-Grade Foundation Overlying Petroleum-Impacted Soil. Environmental Science and Technology (2008).
- Odencrantz, J.E., H. O’Neill, S.J. Steinmacher, J.D. Case, and P.C. Johnson. Residential Vapor Intrusion Evaluation: Long-Duration Passive Sampling vs. Short-Duration Active Sampling. Remediation (2008).
- Xu, Y., L.A. Baker, and P.C. Johnson. Trends in Groundwater Nitrate Contamination in the Phoenix, Arizona, USA Region. Ground Water Monitoring and Remediation (2007).
- Johnson, P.C., P.D. Lundegard, and Z. Liu. Source Zone Natural Attenuation at Petroleum Hydrocarbon Spill Sites – II: Application to Source Zones at a Former Oil Production Field. Ground Water Monitoring and Remediation (2006).
- P.Lundegard, P.D., P.C. Johnson, and Z. Liu. Source Zone Natural Attenuation at Petroleum Hydrocarbon Spill Sites – I: Site-Specific Assessment Approach. Ground Water Monitoring and Remediation (2006).
- Abreu, L. and P.C. Johnson. Effect of Vapor Source-Building Separation and Building Construction on Soil Vapor Intrusion as Studied with a Three-Dimensional Numerical Model. Environmental Science and Technology (2005).
- Abreu, L. and P.C. Johnson. Modeling the Effect of Aerobic Biodegradation on Soil Vapor Intrusion into Buildings - Influence of Degradation Rate, Source Concentration, and Depth. Environmental Science and Technology (2005).