Air Quality

Ahmadov, R., McKeen, S., Trainer, M., Banta, R., Brewer, A., Brown, S., Edwards, P. M., de Gouw, J. A., Frost, G. J., Gilman, J., Helmig, D., Johnson, B., Karion, A., Koss, A., Langford, A., Lerner, B., Olson, J., Oltmans, S., Peischl, J., Pétron, G., Pichugina, Y., Roberts, J. M., Ryerson, T., Schnell, R., Senff, C., Sweeney, C., Thompson, C., Veres, P. R., Warneke, C., Wild, R., Williams, E. J., Yuan, B., and Zamora, R., 2015. Understanding High Wintertime Ozone Pollution Events in an Oil- and Natural Gas-producing Region of the Western US. Atmospheric Chemistry and Physics. 15 (1): 411–429. doi:10.5194/acp-15-411-2015.

Brandt, A. R., Heath, G. A., Kort, E. A., O’Sullivan, F., Pétron, G., Jordaan, S. M., Tans, P., Wilcox, J., Gopstein, A. M.,  Arent, D., Wofsy, S., Brown, N. J., Bradley, R., Stucky, G. D., Eardley,  D., and Harriss, R., 2014. Methane Leaks from North American Natural Gas Systems. Science 343 (6172): 733–735. doi:10.1126/science.1247045.

Brandt, A. R.,G. Pétron., 2015. Fugitive Emissions and Air Quality Impacts of US Natural Gas Systems. The Bridge 45 (2): 22-31.

Jackson, R.B., Vengosh, A., Carey, J.W., Davies, R.J, Darrah, T.H., O’Sullivan, F., Pétron, G., 2014. The Environmental Costs and Benefits of Fracking. Annual Review of Environment and Resources 39 (1) : 327–362. doi:10.1146/annurev-environ-031113-144051.

Karion, A., Sweeney, C., Kort, E.A., Shepson, P.B., Brewer, A., Cambaliza, M., Conley, S.A., Davis, K., Deng, A.J., Hardesty, M., Herndon, S.C., Lauvaux, T., Lavoie, T., Lyon, D., Newberger, T., Petron, G., Rella, C., Smith, M., Wolter, S., Yacovitch, T.I., Tans, P., 2015. Aircraft-Based Estimate of Total Methane Emissions from the Barnett Shale Region. Environmental Science & Technology 49 (13): 8124–8131. doi:10.1021/acs.est.5b00217.

Karion, A., Sweeney, C., Pétron, G., Frost, G., Hardesty, R.M., 2013. Methane emissions estimate from airborne measurements over a western United States natural gas field. Geophysical Research Letters, 40: 1-5.  doi:10.1002/grl.50811.

Li, R., Warneke, C., Graus, M., Field, R., Geiger, F., Veres, P. R., Soltis, J., Li, S.-M., Murphy, S. M., Sweeney, C., Pétron, G., Roberts, J. M., and de Gouw, J., 2014. Measurements of hydrogen sulfide (H2S) using PTR-MS: calibration, humidity dependence, inter-comparison and results from field studies in an oil and gas production region. Atmospheric Measurement Techniques, 7: 3597-3610. doi:10.5194/amt-7-3597-2014.

Masson, N.; Piedrahita, R.; Hannigan, M., 2015. Quantification Method for Electrolytic Sensors in Long-Term Monitoring of Ambient Air Quality. Sensors, 15 (10) : 27283-27302. doi:10.3390/s151027283.

Masson, N., Piedrahita, R., Hannigan, M.P., 2015. Approach for quantification of metal oxide type semiconductor gas sensors used for ambient air quality monitoring. Sensors and Actuators B: Chemical, 208 : 339–345. doi:10.1016/j.snb.2014.11.032.

McLeod, J.D., Brinkman, G.L., Milford, J.B., 2014. Emissions Implications of Future Natural Gas Production and Use in the U.S. and in the Rocky Mountain Region. Environmental Science & Technology, 48 (22): 13036-13044. doi: 10.1021/es5029537.

Milford, J.B. , 2014. Out in Front? State and Federal Regulation of Air Pollution Emissions from Oil and Gas Production Activities in the Western United States. Natural Resources Journal, 55: 1-46.

Moore, C.W., Zielinska, B., Pétron, G., Jackson, R.B.,2014. Air Impacts of Increased Natural Gas Acquisition, Processing, and Use: A Critical Review. Environmental Science & Technology, 48 (15): 8349-8359. doi: 10.1021/es4053472.

Nsanzineza, R., O’Connell, M., Brinkman, G. and Milford, J. B., 2017. Emissions Implications of Downscaled Electricity Generation Scenarios for the Western United States. Energy Policy 109: 601–8. doi:10.1016/j.enpol.2017.07.051.

Oltmans, S., Schnell, R., Johnson, B., Pétron, G., Mefford, T., Neely, R., 2014. Anatomy of wintertime ozone associated with oil and natural gas extraction activity in Wyoming and Utah. Elementa, 24. doi: 10.12952/journal.elementa.000024#sthash.8C2HnV7X.dpuf

Petron, G., 2014. Air Pollution Issues Associated with Shale Gas Production. The Bridge,  44 (2): 19-27.

Petron, G., Karion, A., Sweeney, C., Miller, B.R., Montzka, S.A., Frost, G.J., Trainer, M., Tans, P., Andrews, A., Kofler, J., Helmig, D., Guenther, D., Dlugokencky, E., Lang, P., Newberger, T., Wolter, S., Hall, B., Novelli, P., Brewer, A., Conley, S., Hardesty, M., Banta, R., White, A., Noone, D., Wolfe, D., and Schnell, R., 2014.  A new look at methane and nonmethane hydrocarbon emissions from oil and natural gas operations in the Colorado Denver-Julesburg Basin. Journal of Geophysical Research Atmosphers, 119:  6836–6852. doi:10.1002/2013JD021272.

Piedrahita, R., Xiang, Y., Masson, N., Ortega, J., Collier, A., Jiang, Y., Li, K., Dick, R., Lv, Q., Hannigan, M., Shang, L., 2014.  The next generation of low-cost personal air quality sensors for quantitative exposure monitoring. Atmospheric Measurement Techniques Discussions, 7: 3325–3336.  doi: 10.5194/amtd-7-2425-2014

Schwietzke, S., Sherwood, O. A., Bruhwiler, L. M. P., Miller, J. B., Etiope, G., Dlugokencky, E. J., Michel, S. E., Arling, V. A., Vaughn, B. H., White, J. W. C., Tans, P. P., 2016. Upward revision of global fossil fuel methane emissions based on isotope database. Nature, 538: 88-91. doi:10.1038/nature19797

Warneke, C., Geiger, F., Edwards, P.M., Dube, W., Petron, G., Kofler, J., Zahn, A., Brown, S.S., Graus, M., Gilman, J.B., Lerner, B.M., Peischl, J., Ryerson, T.B., de Gouw, J.A., Roberts, J.M., 2014. Volatile organic compound emissions from the oil and natural gas industry in the Uintah Basin, Utah: oil and gas well pad emissions compared to ambient air composition. Atmospheric Chemistry and Physics, 14: 10977–10988. doi: 10.1021/es501475q.

Yacovitch, T.I., Herndon, S.C., Petron, G., Kofler, J., Lyon, D., Zahniser, M.S., and Kolb, C.E., 2015. Mobile Laboratory Observations of Methane Emissions in the Barnett Shale Region. Environmental Science and Technology, 49 (13): 7889-7895. doi: 10.1021/es506352j

Yacovitch, T.I., Herndon, S.C., Roscioli, J.R., Floerchinger, C., McGovern,  R.M., Agnese, M., Petron, G., Kofler, J., Sweeney, C., Karion, A., Conley, S.A., Kort, E.A., Nähle, L.,Fischer, M., Hilderbrandt, L., Koeth, J., McManust, J. B., Nelson, D. D., Zahniser, M. S., Kolb, C. E., 2014. Demonstration of an Ethane Spectrometer for Methane Source Identification. Environmental Science & Technology, 48 (14): 8028-8034. doi: 10.1021/es501475q.

Water Quality and Use in O&G

Birdsell, D.T., Rajaram, H., Dempsey, D., Viswanathan, H.S., 2015. Hydraulic fracturing fluid migration in the subsurface: A review and expanded modeling results. Water Resources Research, 51: 7159–7188, doi:10.1002/2015WR017810.

Birdsell, D.T., Rajaram, H. , Lackey, G., 2015. Imbibition of hydraulic fracturing fluids into partially saturated shale. Water Resources Research, 51: 67876796. doi: 10.1002/2015WR017621

Lackey G., Rajaram H., Sherwood O.A., Burke T.L., and Ryan J.N., 2017. Surface casing pressure as an indicator of well integrity loss and stray gas migration in the Wattenberg Field, Colorado. Environmental Science & Technology: Article ASAP. doi:10.1021/acs.est.6b06071. Press Release

Maloney K.O., BaruchMordo S., Patterson L.A., Nicot J.P., Entrekin S.A., Fargione J.E., Kiesecker J.M., Konschnik K.E., Ryan J.N., Trainor A.M., Saiers J.E., Wiseman H.J., 2017. Unconventional oil and gas spills: materials, volumes and risks to surface waters in four states of the U.S. Science of the Total Environment, 581-582 : 369-377. doi:10.1016/j.scitotenv.2016.12.142.

Oikonomou, P.D., Kallenberger, J.A., Waskom, R.M., Boone, K.K., Plombon, B.E. & Ryan, J.N., 2016. Water acquisition and use during unconventional oil and gas development and the existing data challenges: Weld and Garfield counties, CO. Journal of Environmental Management, 181 : 36-47. doi: 10.1016/j.jenvman.2016.06.008.

Pica, N.E., Carlson, K., Steinerb, J.J., Waskom, R.M., 2017. Produced water reuse for irrigation of non-food biofuel crops: Effects on switchgrass and rapeseed germination, physiology and biomass yield. Industrial Crops and Products, 100 : 65-76, doi:10.1016/j.indcrop.2017.02.011.

Rogers, J.D., Burke, T.L., Osborn, S.G., Ryan, J.N., 2015. A framework for identifying organic compounds of concern in hydraulic fracturing fluids based on their mobility and persistence in groundwater. Environmental Science and Technology Letters,  2 (6):158–164. doi:10.1021/acs.estlett.5b00090 Press Release

Sherwood, O.A., Rogers, J.D., Lackey, G., Burke T.L., Osborn, S.G., Ryan, J.N., 2016. Groundwater methane in relation to oil and gas development and shallow coal seams in the Denver-Julesburg Basin of Colorado. Proceedings of the National Academy of Sciences, 113 (30): 8391-8396. doi: 10.1073/pnas.1523267113. Press Release

Thurman E.M., Ferrer I., Rosenblum J., Linden K., Ryan J.N., 2016. Identification of polypropylene glycols and polyethylene glycol carboxylates in wastewater from hydraulic fracturing. Journal of Hazardous Materials, 323 (11). doi: 10.1016/j.jhazmat.2016.02.041.

Water Treatment

Bell, E.A., Poynor, T.E., Newhart, K.B., Regnery, J., Coday, B.D., Cath, T.Y., 2017. Produced water treatment using forward osmosis membranes: evaluation of extended time performance and fouling. Journal of Membrane Science , 525: 77-88. doi:10.1016/j.memsci.2016.10.032.

Bibby, K.J., Brantley, S.L., Reible, D.D., Linden, K.G., Mouser, P.J., Gregory, K.B., Ellis, B.R., Vidic, R.D., 2013. Suggested Reporting Parameters for Investigations of Wastewater from Unconventional Shale Gas Extraction. Environmental Science & Technology, 47 (23): 13220-13221. doi: 10.1021/es404960z.

Coday, B.D., Xu, P., Beaudry, E.G., Herron, J., Lampi, K., Hancockd, N.T., Cath, T.Y., 2014. The sweet spot of forward osmosis: treatment of produced water, drilling wastewater, and other complex and difficult liquid streams. Desalination, 33 (1): 23-35. doi: 10.1016/j.desal.2013.11.014.

Coday, B.D., Hoppe-­Jones, C., Wandera, D., Shethji, J., Herron, J., Lampi, K., Snyder, S.A., Cath, T.Y., 2016. Evaluation of the transport parameters and physiochemical properties of forward osmosis Membranes after treatment of produced water. Journal of Membrane Science, 499: 491–502. doi:10.1016/j.memsci.2015.09.031.

Lester, Y., Thurman, E.M., Ferrer, I., Sitterley, K., Korak, J.A., Aiken, G., Linden, K.G., 2015. Characterization of fracturing flowback water in Colorado: Implications for water treatment. Science of the Total Environment, 512–513: 637–644. doi: 10.1016/j.scitotenv.2015.01.043.

Lester, Y., Yacob, T., Morrissey, I., Linden, K.G., 2014. Can We Treat Hydraulic Fracturing Flowback with a Conventional Biological Process? The Case of Guar Gum. Environmental Science and Technology Letters, 1 (1) (2014): 133–136. doi: 10.1021/ez4000115.

Lobo, F.L., Huggins, T., Rosenblum, J., Linden, K.G., Ren, J.Z., 2016. Low-­energy hydraulic fracturing wastewater treatment via AC powered electrocoagulation with biochar. Journal of Hazardous Materials, 309: 180–184. doi: 10.1016/j.jhazmat.2016.02.020.

Regnery, J., Coday, B.D., Riley, S.M., Cath, T.Y., 2016. Solid-­phase extraction followed by gas chromatography-­mass spectrometry for the quantitative analysis of semi-­volatile hydrocarbons in hydraulic fracturing wastewaters. Analytical Methods, 8: 2058-2068. doi:10.1039/C6AY00169F

Riley, S.M., Oliveira, J.M.S., Regnery, J., Cath, T.Y., 2016. Hybrid membrane biosystems for sustainable treatment of oil & gas produced water and frac flowback. Separation and Purification Technology, 171: 297-311. doi:10.1016/j.seppur.2016.07.008.

Rosenblum, J.S., Sitterley, K.A., Thurman, E.M., Ferrer, I., Linden, K.G., 2016. Hydraulic fracturing wastewater treatment by coagulation-­adsorption for removal of organic compounds and turbidity. Journal of Environmental Chemical Engineering, 4 (2):1978–1984.  doi: 10.1016/j.jece.2016.03.013.

Thurman, E.M., Ferrer, I., Rosenblum, J., Linden, K.G., Ryan, J.N., 2016. Identification of polypropyleneglycols and polyethylene glycol carboxylates in flowback and produced water from hydraulic fracturing. Journal of Hazardous Materials: doi: 10.1016/j.jhazmat.2016.02.041.

Public Health

Adgate, J.L., Goldstein, B.D., McKenzie, L.M., 2014. Potential Public Health Hazards, Exposures and Health Effects from Unconventional Natural Gas Development. Environmental Science & Technology Letters, 48 (15):8307–8320. doi: 10.1021/es404621d.

Allshouse W.B., Adgate J.L., Blair B.D., and McKenzie L.M., 2017.  A spatiotemporal industrial activity model for estimating the intensity of oil and gas operations in Colorado. Environmental Science & Technology, doi: 10.1021/acs.est.7b02084.

Blair B.D., McKenzie L.M., Allshouse W.B., and Adgate J.L., 2017. Is reporting “significant damage” transparent? Assessing fire and explosion risk at oil and gas operations in the United States, Energy Research & Social Science, 29 : 36-43. doi: 10.1016/j.erss.2017.04.014.

DeJong, N., Witter, R.Z., Adgate, J.L., 2015. Natural Gas Development and Its Effect on Air Quality. The Human  and Environmental Impact of Fracking: How Fracturing Shale for Gas Affects Us and Our World. Ed. ML Finkel. Praeger Press : 61-80.

McKenzie, L.M., Allshouse,W., Byers, T., Bedrick, E., Serdar, B., Adgate, J.L., 2017. Childhood hematologic cancer and residential proximity to oil and gas development in rural Colorado. PLoS One, 12 (2). doi:10.1371/journal.pone.0170423.

McKenzie, L.M., Allshouse, W.B., Burke, T., Blair, B.D., Adgate, J.L., 2016. Population Size, Growth, and Environmental Justice Near Oil and Gas Wells in Colorado. Environmental Science & Technology, 50 (21): 11471–11480. doi: 10.1021/acs.est.6b04391.

McKenzie, L.M., Guo, R., Witter, R.Z., Savitz, D.A., Newman, L.S., Adgate, J.L., 2014. Birth outcomes and maternal residential proximity to natural gas development in rural Colorado. Environmental Health Perspectives, 122 (4). doi: 10.1289/ehp.1306722.

Social, Political, and Economic Factors

Bennett, A., Loomis, J., 2015. Are Housing Prices Pulled Down or Pushed Up by Fracked Oil and Gas Wells? Society and Natural Resources, 28 (11):1168-1186. doi:10.1080/08941920.2015.1024810.

Blair, B., Weible, C.M., Heikkila, T., Evensen, D., Gallaher, S., 2014. Automated News Article Analysis on Hydraulic Fracturing in Colorado, New York, and Pennsylvania. School of Public Affairs, University of Colorado Denver.

Boone, K., Laituri, M., 2013. Where are we now? : socio-ecological risks and community responses to natural gas develpment in Colorado. Colorado State University Libraries:

Heikkila, T.,  Wieble, C.M., 2017. Unpacking the Intensity of Policy Conflict: A Study of Colorado’s Oil and Gas Subsystem. Policy Sciences, 50 (179). doi: 10.1007/s11077-017-9285-1

Heikkila, T., Weible, C.M., Olofsson, K., 2017. Lessons From State-Level and National-Level Policy Conflicts Over U.S. Shale Development. Environment: Science and Policy for Sustainable Development, 59: 4-13. doi: 10.1080/00139157.2017.1301165

Heikkila, T., Weible, C.M., 2015. A Summary Report of a 2015 Survey of the Politics of Oil and Gas Development that Uses Hydraulic Fracturing in Colorado. School of Public Affairs, University of Colorado Denver.

Loomis, J., Haefele, M., 2017. Quantifying Market and Non-market Benefits and Costs of Hydraulic Fracturing in the United States: A Summary of the Literature. Ecological Economics, 138: 160–167. doi: 10.1016/j.ecolecon.2017.03.036

Weible, C., Heikkila, T., Pierce, J., 2016. Understanding Rationales for Collaboration in HighIntensity Policy Conflicts. Journal of Public Policy. doi:

 Weible, C., Heikkila, T., 2016. Comparing the Politics of Hydraulic Fracturing in New York, Colorado, and Texas. Review of Policy Research . 33 (3): 232-250. doi: 10.1111/ropr.12170.

Weible, C.M., Heikkila, T., 2016. Policy Conflict Framework. Policy Sciences, 50: 23-40. doi: 10.1007/s11077-017-9280-6

Weible, C.M., Heikkila, T., Carter, D.P., 2016. An Institutional and Opinion Analysis of Colorado’s Hydraulic Fracturing Disclosure Policy. Journal of Environmental Policy & Planning, 0: 1-20. doi: 10.1080/1523908X.2016.1150776

Weible, C.M., Heikkila, T., Pierce, J.J., 2015. The Role of Ideas in Evaluating and Assessing Hydraulic Fracturing Regulations. Policy Paradigms in Theory and Practice: Discourses, Ideas, and Anomalies in Public Policy Dynamics. Eds. Hogan J and Howlett M. Palgrave Macmillan.

Oil and Gas Infrastructure

Fleckenstein, W.W., Eustes, A.W., Stone, C.H., Howell, P.K., 2015. An Assessment of Risk of Migration of Hydrocarbons or Fracturing Fluids to Fresh Water Aquifers: Wattenberg Field, CO. Society of Petroleum Engineers. doi: 10.2118/175401-MS.

Stone, C.H., Eustes, A.W., Fleckenstein, W.W., 2016. A Continued Assessment of the Risk of Migration of Hydrocarbons or Fracturing Fluids into Fresh Water Aquifers in the Piceance, Raton, and San Juan Basins of Colorado. Society of Petroleum Engineers. doi: 10.2118/181680-MS.

Link to the PSE literature database on Shale and Tight Gas Development for bibliographic information, abstracts, and links to many  peer-reviewed journal articles. Neither AWG nor PSE Healthy Energy necessarily supports the methods and the findings of the studies included in this database.