Emissions from oil and gas operations in the United States and their air quality implications

References

• Alamo Area Council of Governments (AACOG). 2013. Oil and Gas Emissions Inventory, Eagle Ford Shale, Technical Report. http://www.aacog.com/DocumentCenter/View/19069 (accessed January 2016).
   Google Scholar
• Alhajeri, N.S., P. Donohoo, A.S. Stillwell, C.W. King, M.D. Webster, M.E. Webber, and D.T. Allen. 2011. Using market-based dispatching with environmental price signals to reduce emissions and water use at power plants in the Texas grid. Environ. Res. Lett. 6:044018. doi:10.1088/1748-9326/6/4/044018
   Web of Science ®Google Scholar
• Allen, D.T. 2014a. Atmospheric emissions and air quality impacts from natural gas production and use. Annu. Rev. Chem. Biomol. Eng. 5:55–75. doi:10.1146/annurev-chembioeng-060713-035938
   PubMed Web of Science ®Google Scholar
• Allen, D.T. 2014b. Methane emissions from natural gas production and use: Reconciling bottom-up and top-down measurements. Curr. Opin. Chem. Eng. 5:78–83. doi:10.1016/j.coche.2014.05.004
   Web of Science ®Google Scholar
• Allen, D.T., A. Pacsi, D. Sullivan, D. Zavala-Araiza, M. Harrison, K. Keen, M. Fraser, A.D. Hill, R.F. Sawyer, and J.H. Seinfeld. 2015a. Methane emissions from process equipment at natural gas production sites in the United States: Pneumatic controllers. Environ. Sci. Technol. 49:633–640. doi:10.1021/es5040156
   PubMed Web of Science ®Google Scholar
• Allen, D.T., D. Sullivan, D. Zavala-Araiza, A. Pacsi, M. Harrison, K. Keen, M. Fraser, A.D. Hill, B.K. Lamb, R.F. Sawyer, and J.H. Seinfeld. 2015b. Methane emissions from process equipment at natural gas production sites in the United States: Liquid unloadings. Environ. Sci. Technol. 49:641–648, doi:10.1021/es504016r
   PubMed Web of Science ®Google Scholar
• Allen, D.T., V.M. Torres, J. Thomas, D. Sullivan, M. Harrison, A. Hendler, S.C. Herndon, C.E. Kolb, M. Fraser, A.D. Hill, B.K. Lamb, J. Miskimins, R.F. Sawyer, and J.H. Seinfeld. 2013. Measurements of methane emissions at natural gas production sites in the United States. Proc. Natl. Acad. Sci. U. S. A. 110:17768–17773. doi:10.1073/pnas.1304880110
   PubMed Web of Science ®Google Scholar
• Advanced Research Projects—Energy (ARPA-E). 2016. Methane Observation Networks with Innovative Technology to Obtain Reductions (MONITOR). http://arpa-e.energy.gov/?q=arpa-e-programs/monitor (accessed January 2016).
   Google Scholar
• Balcombe, P., K. Anderson, J. Speirs, N. Brandon, and A. Hawkes. 2015. Methane and CO2 Emissions from the Natural Gas Supply Chain: An Evidence Assessment. London: Sustainable Gas Institute, Imperial College. http://www.sustainablegasinstitute.org/publications/white-paper-1/ (accessed April 26, 2016).
   Google Scholar
• Brandt, A.R., G.A. Heath, E.A. Kort, F. O’Sullivan, G. Pétron, S.M. Jordaan, P. Tans, J. Wilcox, A.M. Gopstein, D. Arent, S. Wofsy, N.J. Brown, R. Bradley, G.D. Stucky, D. Eardley, and R. Harriss. 2014. Methane leaks from North American natural gas systems. Science 343:733–735. doi:10.1126/science.1247045
   PubMed Web of Science ®Google Scholar
• Brantley, H.L., E.D. Thoma, W.C. Squier, B.B. Guven, and D. Lyon. 2015. Assessment of methane emissions from oil and gas production pads using mobile measurements. Environ. Sci. Technol. 49:7889−7895, doi:10.1021/es503070q
   Web of Science ®Google Scholar
• Carter, W.P.L., and J. H. Seinfeld. 2012. Winter ozone formation and VOC incremental reactivities in the Upper Green River Basin of Wyoming. Atmos. Environ. 50:255–266. doi:10.1016/j.atmosenv.2011.12.025
   Web of Science ®Google Scholar
• Caulton, D.R., P.B. Shepson, M.O. Cambaliza, D. McCabe, E. Baum, and B.H. Stirm. 2014a. Methane destruction efficiency of natural gas flares associated with shale formation wells. Environ. Sci. Technol. 48:9548–9554. doi:10.1021/es500511w
   PubMed Web of Science ®Google Scholar
• Caulton, D.R., P.B. Shepson, R.L. Santoro, J.P. Sparks, R.W. Howarth, A.R. Ingraffea, M.O.L. Cambaliza, C. Sweeney, A. Karion, K.J. Davis, B.H. Stirm, S.A. Montzka, and B.R. Miller. 2014b. Toward a better understanding and quantification of methane emissions from shale gas development. Proc. Natl. Acad. Sci. U. S. A. 111:6237–6242. doi:10.1073/pnas.1316546111
   PubMed Web of Science ®Google Scholar
• Code of Federal Regulations 40, Part 60 Subpart OOOO and NESHAP 40, CFR 63 Subpart HH, 77 FR 49490, Washington DC, August 16, 2012.
   Google Scholar
• Conley, S., G. Franco, I. Faloona, D.R. Blake, J. Peischl, and T.B. Ryerson. 2016. Methane emissions from the 2015 Aliso Canyon blowout in Los Angeles, CA. Science 351:1317–1320. doi:10.1126/science.aaf2348
   Web of Science ®Google Scholar
• Daum, P., J. Meagher, D. Allen, and C. Durrenberger. 2002. Accelerated Science Evaluation of Ozone Formation in the Houston-Galveston Area: Summary. http://www.utexas.edu/research/ceer/texaqsarchive/pdfs/EXEC_SUMMARY_Nov_02.pdf (accessed January 2016).
   Google Scholar
• Daum, P.H., L.I. Kleinman, S.R. Springston, L.J. Nunnermacker, Y.N. Lee, J. Weinstein-Lloyd, J. Zheng, and C.M. Berkowitz. 2003. A comparative study of O3 formation in the Houston urban area and industrial plumes during the 2000 Texas Air Quality Study. J. Geophys. Res. 108(D23):4715. doi:10.1029/2003JD003552
   Web of Science ®Google Scholar
• DeRosa, S., and D.T. Allen. 2015. Impact of natural gas and natural gas liquids supplies on the U.S. chemical manufacturing industry: Predicted cost and energy intensity effects and identification of bottleneck intermediates. ACS Sustain. Chem. Eng. 3:451–459. doi:10.1021/sc500236g
   Web of Science ®Google Scholar
• Eastern Research Group and Sage Environmental. 2011. City of Fort Worth Natural Gas Air Quality Study, Final Report. http://fortworthtexas.gov/uploadedFiles/Gas_Wells/AirQualityStudy_final.pdf (accessed January 2016).
   Google Scholar
• Edwards, P.M., S.S. Brown, J.M. Roberts, R. Ahmadov, R.M. Banta, J.A. deGouw, W.P. Dubé, R.A. Field, J.H. Flynn, J.B. Gilman, M. Graus, D. Helmig, A. Koss, A.O. Langford, B.L. Lefer, B.M. Lerner, R. Li, S.-M. Li, S.A. McKeen, S.M. Murphy, D.D. Parrish, C.J. Senff, J. Soltis, J. Stutz, and C. Sweeney. 2014. High winter ozone pollution from carbonyl photolysis in an oil and gas basin. Nature 514:351–354. doi:10.1038/nature13767
   PubMed Web of Science ®Google Scholar
• Electricity Reliability Council of Texas (ERCOT). 2009. ERCOT Quick Facts. http://www.ercot.com/content/news/presentations/2009/ERCOT%20Quick%20Facts%20May%202009.pdf (accessed January 2016).
   Google Scholar
• Electricity Reliability Council of Texas (ERCOT). 2015. ERCOT Quick Facts. http://www.ercot.com/content/news/presentations/2015/ERCOT_Quick_Facts_4315.pdf (accessed January 2016).
   Google Scholar
• Environmental Defense Fund (EDF). 2015. Aliso Canyon leak sheds light on national problem. https://www.edf.org/climate/aliso-canyon-leak-sheds-light-national-problem?utm_source=google&utm_campaign=ggad_aliso-canyon_upd_dmt&utm_medium=cpc&utm_id=1450803581&gclid=Cj0KEQiAq920BRC8-efn57XrotYBEiQAlVlMQ0EiaKhlErMTEFMMn5cVAM2nSHX7k9NxOmtiF5XStFUaAkit8P8HAQ (accessed January 2016).
   Google Scholar
• Gibbs, M. 2015. Improving Oil & Gas Emissions Tool Inputs Using Industry Surveys and Permit Data. Presentation to National Oil and Gas Emissions Committee, Oklahoma Department of Environmental Quality.
   Google Scholar
• Harrison, M.R., K.E. Galloway, A. Hendler, T.M. Shires, D. Allen, M. Foss, J. Thomas, and J. Spinhirne. 2011. Natural Gas Industry Methane Emission Factor Improvement Study, Final Report. Cooperative Agreement (with US EPA) XA-83376101. Austin, TX: University of Texas. http://www.utexas.edu/research/ceer/GHG/files/FReports/XA_83376101_Final_Report.pdf (accessed January 2016).
   Google Scholar
• Harrison, M.R., T.M. Shires, J.K. Wessels, and R.M. Cowgill. 1996. Methane Emissions from the Natural Gas Industry, Volumes 1–15, Final Report. GRI-94/0257 and EPA-600/R-96-080, Appendix B-1. Washington DC: Gas Research Institute and U.S. Environmental Protection Agency.
   Google Scholar
• Helmig, D., C.R. Thompson, J. Evans, P. Boylan, J. Hueber, and J.-H. Park. 2014. Highly elevated atmospheric levels of volatile organic compounds in the Uintah Basin, Utah. Environ. Sci. Technol. 48:4707−4715. doi:10.1021/es405046r
   Web of Science ®Google Scholar
• Herndon, S.C., C. Floerchinger, J.R. Roscioli, T.I. Yacovitch, J.F. Franklin, J.H. Shorter, C.E. Kolb, R. Subramanian, A.L. Robinson, L.T. Molina, and D. Allen. 2013. Measuring methane emissions from industrial and waste processing sites using the dual tracer flux ratio method. Presented at the Annual Meeting the American Geophyscical Union, San Francisco, December 9–13, 2013.
   Google Scholar
• Herndon, S.C., J.T. Jayne, M.S. Zahniser, D.R. Worsnop, B. Knighton, E. Alwine, B.K. Lamb, M. Zavala, D.D. Nelson, J.B. McManus, J.H. Shorter, M.R. Canagaratna, T.B. Onasch, and C.E. Kolb. 2005. Characterization of urban pollutant emission fluxes and ambient concentration distributions using a mobile laboratory with rapid response instrumentation. Faraday Discuss. 130:327–339. doi:10.1039/b500411j
   PubMed Web of Science ®Google Scholar
• ICF International. 2014. Economic Analysis of Methane Emission Reduction Opportunities in the U.S. Onshore Oil and Natural Gas Industries. Report to Environmental Defense Fund. https://www.edf.org/energy/icf-methane-cost-curve-report (accessed January 2016).
   Google Scholar
• Karion, A., C. Sweeney, E.A. Kort, J.B. Shepson, A. Brewer, M. Cambaliza, S.A. Conley, K. Davis, A. Deng, M. Hardesty, S.C. Herndon, T. Lauvaux, T. Lavoie, D. Lyon, T. Newberger, G. Pétron, C. Rella, M. Smith, S. Wolter, T.I. Yacovitch, and P. Tans. 2015. Aircraft-based estimate of total methane emissions from the Barnett Shale region. Environ. Sci. Technol. 49:8124–8131. doi:10.1021/acsest.5b00217
   PubMed Web of Science ®Google Scholar
• Karion, A., C. Sweeney, G. Pétron, G. Frost, R.M. Hardesty, J. Kofler, B.R. Miller, T. Newberger, S. Wolter, R. Banta, A. Brewer, E. Dlugokencky, P. Lang, S.A. Montzka, R. Schnell, P. Tans, M. Trainer, R. Zamora, and S. Conley. 2013. Methane emissions estimate from airborne measurements over a western United States natural gas field. Geophys. Res. Lett. 40:1–5. doi:10.1002/grl.50811
   Web of Science ®Google Scholar
• Kemball-Cook, S., A. Bar-Ilan, J. Grant, L. Parker, J. Jung, W. Santamaria, J. Matthews, and G. Yarwood. 2010. Ozone impacts of natural gas development in the Haynesville Shale. Environ. Sci. Technol. 44:9357–9363. doi:10.1021/es1021137
   PubMed Web of Science ®Google Scholar
• Kimura, Y., G. McGaughey, M. Feldman, D.T. Allen, and E.C. McDonald-Buller. 2012. Spatial and temporal variability in OMI NO₂ observations and NO_x emissions inventories in Eastern Texas. Presented at the Air and Waste Management Association San Antonio, TX, June 19–22, 2012, Paper 2012-A-293- AWMA.
   Google Scholar
• Kolb, C.E., S.C. Herndon, J.B. McManus, J.H. Shorter, M.S. Zahniser, D.D. Nelson, J.T. Jayne, M.R. Canagaratna, and D.R. Worsnop. 2004. Mobile laboratory with rapid response instruments for real-time measurements of urban and regional trace gas and particulate distributions and emission source characteristics. Environ. Sci. Technol. 38:5694–5703. doi:10.1021/es030718p
   PubMed Web of Science ®Google Scholar
• Kort, E.A., C. Frankenberg, K.R. Costigan, R. Lindenmaier, M.K. Dubey, and D. Wunch. 2014. Four corners: The largest US methane anomaly viewed from space. Geophys. Res. Lett. 41:6898–6903. doi:10.1002/2014GL061503
   Web of Science ®Google Scholar
• Lamb, B.K., S.L. Edburg, T.W. Ferrara, T. Howard, M.R. Harrison, C.E. Kolb, A. Townsend-Small, W. Dyck, A. Possolo, and J.R. Whetstone. 2015. Direct measurements show decreasing methane emissions from natural gas local distribution systems in the United States. Environ. Sci. Technol. 49:5161−5169. doi:10.1021/es505116p
   Web of Science ®Google Scholar
• Lamb, B.K., J.H. Shorter, J.B. McManus, C.E. Kolb, B.W. Mosher, R.C. Harriss, E. Allwine, D. Blaha, T. Howard, A. Guenther, R.A. Lott, R. Siverson, H. Westburg, and P. Zimmerman. 1995. Development of atmosphere tracer methods to measure methane emissions from natural gas facilities and urban areas. Environ. Sci. Technol. 29:1468–1478. doi:10.1021/es00006a007
   PubMed Web of Science ®Google Scholar
• Laurenzi, I.J., and G.R. Jersey. 2013. Life Cycle greenhouse gas emissions and freshwater consumption of Marcellus Shale gas. Environ. Sci. Technol. 47:4896–4903. doi:10.1021/es305162w
   PubMed Web of Science ®Google Scholar
• Litovitz, A., A. Curtright, S. Abramzon, N. Burger, and C. Samaras. 2013. Estimation of regional air quality damages from Marcellus Shale natural gas extraction in Pennsylvania. Environ. Res. Lett. 8:014017. doi:10.1088/1748-9326/8/1/014017
   Web of Science ®Google Scholar
• Lyon, D.R., D. Zavala-Araiza, R.A. Alvarez, R. Harriss, V. Palacios, X. Lan, R. Talbot, T. Lavoie, P. Shepson, T.I. Yacovitch, S.C. Herndon, A.J. Marchese, D. Zimmerle, A.L. Robinson, and S.P. Hamburg. 2015. Constructing a spatially resolved methane emission inventory for the Barnett Shale region. Environ. Sci. Technol. 49:8147–8157. doi:10.1021/es506359c
   PubMed Web of Science ®Google Scholar
• McKain, K., A. Down, S.M. Raciti, J. Budney, L.R. Hutyra, C. Floerchinger, S.C. Herndon, T. Nehrkorn, M.S. Zahniser, R.B. Jackson, N. Phillips, and S.C. Wofsy. 2015. Methane emissions from natural gas infrastructure and use in the urban region of Boston, Massachusetts. Proc. Natl. Acad. Sci. U. S. A. 112:1941–1946. doi:10.1073/pnas.1416261112
   PubMed Web of Science ®Google Scholar
• McKenzie, L.M., R.Z. Witter, L.S. Newman, and J.L. Adgate. 2012. Human health risk assessment of air emissions from development of unconventional natural gas resources. Sci. Total Environ. 424:79–87. doi:10.1016/j.scitotenv.2012.02.018
   PubMed Web of Science ®Google Scholar
• Medlock, K.B. 2012. Modeling the implications of expanded US shale gas production. Energy Strategy Rev. 1:33–41. doi:10.1016/j.esr.2011.12.002
   Google Scholar
• Miller, S.M., S.C. Wofsy, A.M. Michalak, E.A. Kort, A.E. Andrews, S.C. Biraud, E.J. Dlugokencky, J. Eluszkiewicz, M.L. Fischer, G. Janssens-Maenhout, B.R. Miller, J.B. Miller, S.A. Montzka, T. Nehrkorn, and C. Sweeney. 2013. Anthropogenic emissions of methane in the United States. Proc. Natl. Acad. Sci. U. S. A. 110:20018–20022. doi:10.1073/pnas.1314392110
   PubMed Web of Science ®Google Scholar
• Mitchell, A.L., D.S. Tkacik, J.R. Roscioli, S.C. Herndon, T.I. Yacovitch, D.M. Martinez, T.L. Vaughn, L.L. Williams, M.R. Sullivan, C. Floerchinger, M. Omara, R. Subramanian, D. Zimmerle, A.J. Marchese, and A.L. Robinson. 2015. Measurements of methane emissions from natural gas gathering facilities and processing plants: Measurement results. Environ. Sci. Technol. 49:3219−3227. doi:10.1021/es5052809
   Web of Science ®Google Scholar
• Murphy, C.F., and D.T. Allen. 2005. Hydrocarbon emissions from industrial release events in the Houston-Galveston area and their impact on ozone formation. Atmos. Environ. 39:3785–3798. doi:10.1016/j.atmosenv.2005.02.051
   Web of Science ®Google Scholar
• National Research Council. 2001. Evaluating Vehicle Inspection and Maintenance Programs. Washington, DC: National Academies Press.
   Google Scholar
• Nicot, J., and B.R. Scanlon. 2012. Water use for shale-gas production in Texas. Environ. Sci. Technol. 46:3580–3586. doi:10.1021/es204602t
   PubMed Web of Science ®Google Scholar
• Olaguer, E.P. 2012. The potential near-source ozone impacts of upstream oil and gas industry emissions. J. Air Waste Manage. Assoc. 62:966–977. doi:10.1080/10962247.2012.688923
   Web of Science ®Google Scholar
• Oltmans, S., R. Schnell, B. Johnson, G. Pétron, T. Mefford, and R. Neely III. 2014. Anatomy of wintertime ozone associated with oil and natural gas extraction activity in Wyoming and Utah. Elem. Sci. Anthol. 2:000024. doi:10.12952/journal.elementa.000024
   Google Scholar
• Osborn, S.G., A. Vengosh, N.R. Warner, and R.B. Jackson. 2011. Methane contamination of drinking water accompanying gas-well drilling and hydraulic fracturing. Proc. Natl. Acad. Sci. U. S. A. 108: 8172–8176. doi:10.1073/pnas.1100682108
   PubMed Web of Science ®Google Scholar
• Pacsi, A.P., N.S. Alhajeri, D. Zavala-Araiza, M.D. Webster, and D.T. Allen. 2013. Regional air quality impacts of increased natural gas production and use in Texas. Environ. Sci. Technol. 47:3521–3527. doi:10.1021/es3044714
   PubMed Web of Science ®Google Scholar
• Pacsi, A.P., Y. Kimura, G. McGaughey, E.C. McDonald-Buller, and D.T. Allen. 2015. Regional ozone impacts of increased natural gas use in the Texas power sector and development in the Eagle Ford shale. Environ. Sci. Technol. 49:3966–3973. doi:10.1021/es5055012
   PubMed Web of Science ®Google Scholar
• Pacsi, A.P., and M. Harrison. 2015. Emissions from liquid unloadings vary by region, UOGR, 3 (1). http://www.ogj.com/articles/uogr/print/volume-3/issue-1/emissions-from-liquid-unloadings-vary-by-region.html (accessed January 2016).
   Google Scholar
• Pavlovic, R.T., D.T. Allen, and E.C. McDonald-Buller. 2012. Temporal variability in flaring emissions in the Houston-Galveston area. Ind. Eng. Chem. Res. 51:12653–12662. doi:10.1021/ie2013357
   Web of Science ®Google Scholar
• Peischl, J., T.B. Ryerson, K.C. Aikin, J.A. de Gouw, J.P. Gilman, J.S. Holloway, B.M. Lerner, R. Nadkarni, J.A. Neuman, J.B. Nowak, M. Trainer, C. Warneke, and D.D. Parrish. 2015. Quantifying atmospheric methane emissions from the Haynesville, Fayetteville, and northeastern Marcellus shale gas production regions. J. Geophys. Res. Atmos. doi:10.1002/2014JD022697
   PubMed Web of Science ®Google Scholar
• Peischl, J., T.B. Ryerson, J. Brioude, K.C. Aikin, A.E. Andrews, E. Atlas, D. Blake, B.C. Daube, J.A. de Gouw, E. Dlugokencky, G.J. Frost, D.R. Gentner, J.B. Gilman, A.H. Goldstein, R.A. Harley, J.S. Holloway, J. Kofler, W.C. Kuster, P.M. Lang, P.C. Novelli, G.W. Santoni, M. Trainer, S.C. Wofsy, and D.D. Parrish. 2013. Quantifying sources of methane using light alkanes in the Los Angeles Basin, California. J. Geophys. Res. Atmos. 118:4974–4990. doi:10.1002/jgrd.50413
   Web of Science ®Google Scholar
• Pétron, G., G. Frost G, B.R. Miller, A.I. Hirsch, S.A. Montzka, A. Karion, M. Trainer, C. Sweeney, A.E. Andrews, L. Miller, J. Kofler, A. Bar-Ilan, E.J. Dlugokencky, L. Patrick, C.T. Moore Jr., T.B. Ryerson, C. Sisco, W. Kolodzey, P.M. Lang, T. Conway, P. Novelli, K. Masarie, B. Hall, D. Guenther, D. Kitzis, J. Miller, D. Welsh, D. Wole, W. Neff, and P. Tans. 2012. Hydrocarbon emissions characterization in the Colorado front range: A pilot study. J. Geophys. Res. 117(D4): D04304. doi:10.1029/2011JD016360
   Google Scholar
• Pétron, G., A. Karion, C. Sweeney, B.R. Miller, S.A. Montzka, G.J. Frost, M. Trainer, P. Tans, A. Andrews, J. Kofler, D. Helmig, D. Guenther, E. Dlugokencky, P. Lang, T. Newberger, S. Wolter, B. Hall, P. Novelli, A. Brewer, S. Conley, M. Hardesty, R. Banta, A. White, D. Noone, D. Wolfe, and R. Schnell. 2014. A new look at methane and nonmethane hydrocarbon emissions from oil and natural gas operations in the Colorado Denver-Julesburg Basin. J. Geophys. Res. Atmos. 119:6836–6852. doi:10.1002/2013JD021272
   Web of Science ®Google Scholar
• Prasino Group. 2013. Final Report for Determining Bleed Rates for Pneumatic Devices in British Columbia. Report to British Columbia Ministry of Environment.
   Google Scholar
• Rahm, B., and S. Riha. 2012. Toward strategic management of shale gas development: Regional, collective impacts on water resources. Environ. Sci. Policy 17:12–23. doi:10.1016/j.envsci.2011.12.004
   Web of Science ®Google Scholar
• Rich, A., J.P. Grover, and M.L. Sattler. 2014. An exploratory study of air emissions associated with shale gas development and production in the Barnett Shale. J. Air Waste Manage. Assoc. 64:61–72. doi:10.1080/10962247.2013.832713
   Web of Science ®Google Scholar
• Ryerson, T.B., M. Trainer, W.M. Angevine, C.A. Brock, R.W. Dissly, F.C. Fehsenfeld, G.J. Frost, P.D. Goldan, J.S. Holloway, G. Hubler, R.O. Jakoubek, W.C. Kuster, J.A. Neuman, D.K. Nicks Jr., D.D. Parrish, J.M. Roberts, and D.T. Sueper, E.L. Atlas, S.G. Donnelly, F. Flocke, A. Fried, W.T. Potter, S. Schauffler, V. Stroud, A.J. Weinheimer, B.P. Wert, and C. Wiedinmyer, R.J. Alvarez, R.M. Banta, L.S. Darby, and C.J. Senff. 2003. Effect of petrochemical industrial emissions of reactive alkenes and NOx on tropospheric ozone formation in Houston, Texas. J. Geophys. Res. 108(D8):4249. doi:10.1029/2002JD003070
   Web of Science ®Google Scholar
• Schnell, R.C., S.J. Oltmans, R.R. Neely, M.S. Endres, J.V. Molenar, and A.B. White. 2009. Rapid photochemical production of ozone at high concentrations in a rural site during winter. Nat. Geosci. 2:120–122. doi:10.1038/NGEO415
   Web of Science ®Google Scholar
• Smith, M.L., E.A. Kort, A. Karion, C. Sweeney, S.C. Herndon, and T.I. Yacovitch. 2015. Airborne ethane observations in the barnett shale: Quantification of ethane flux and attribution of methane emissions. Environ. Sci. Technol. 49:8158–8166. doi:10.1021/acsest.5b00219
   PubMed Web of Science ®Google Scholar
• Shorter, J.H., J.B. McManus, C.E. Kolb, E.J. Allwine, R. Siverson, B.K. Lamb, B.W. Mosher, R.C. Harriss, T. Howard, and R.A. Lott. 1997. Collection of leakage statistics in the natural gas system by tracer methods. Environ. Sci. Technol. 31:2012–2019. doi:10.1021/es9608095
   Web of Science ®Google Scholar
• Stedman, D.H. 1989. Automobile carbon monoxide emission. Environ. Sci. Technol. 23:147–149. doi:10.1021/es00179a002
   Web of Science ®Google Scholar
• Streets, D.G., G.R. Carmichael, B. de Foy, R.R. Dickerson, B.N. Duncan, D.P. Edwards, J.A. Haynes, D.K. Henze, M.R. Houyoux, D.J. Jacob, N.A. Krotkov, L.N. Lamsal, Y. Liu, Z. Lu, R.V. Martin, G.G. Pfister, R.W. Pinder, and K.J. Wecht. 2013. Emissions estimation from satellite retrievals: A review of current capability. Atmos. Environ. 77:1011–1042. doi:10.1016/j.atmosenv.2013.05.051
   Web of Science ®Google Scholar
• Subramanian, R., L.L. Williams, T.L. Vaughn, D. Zimmerle, J.R. Roscioli, S.C. Herndon, T.I. Yacovitch, C. Floerchinger, D.S. Tkacik, A.L. Mitchell, M.R. Sullivan, T.R. Dallmann, and A.L. Robinson. 2015. Methane emissions from natural gas compressor stations in the transmission and storage sector: Measurements and comparisons with the EPA Greenhouse Gas Reporting Program Protocol. Environ. Sci. Technol. 49:3252−3261 doi:10.1021/es5060258
   Web of Science ®Google Scholar
• Tang, W., D. Cohan, L.N. Lamsal, X. Xiao, and W. Zhou. 2013. Inverse modeling of Texas NOx emissions using space-based and ground-based NO2 observations. Atmos. Chem. Phys. 13:11005–11018. doi:10.5194/acp-13-11005-2013
   Web of Science ®Google Scholar
• Tang, W., D. Cohan, A. Pour-Biazar, L.N. Lamsal, A. White, X. Xiao, W. Zhou, B.H. Henderson, and B.F. Lash. 2014. Influence of satellite-derived photolysis rates and NOx emissions on Texas ozone modeling. Atmos. Chem. Phys. 14:24475–24522. doi:10.5194/acpd-15-1601-2015
   Google Scholar
• Townsend-Small, A., J.E. Marrero, D.R. Lyon, I.J. Simpson, S. Meinardi, and D.R. Blake. 2015. Integrating source apportionment tracers into bottom-up inventory of methane emissions in the Barnett Shale hydraulic fracturing region. Environ. Sci. Technol. 49:8175–8182. doi:10.1021/acsest.5b00057
   PubMed Web of Science ®Google Scholar
• Texas Commission on Environmental Quality. 2012. Barnett Shale Geological Area. Austin, TX: Texas Commission on Environmental Quality. http://www.tceq.texas.gov/airquality/barnettshale (accessed January 2016).
   Google Scholar
• Texas Commission on Environmental Quality. 2015a. Emission Event Report Database. http://www2.tceq.texas.gov/oce/eer/ (accessed January 2016).
   Google Scholar
• Texas Commission on Environmental Quality. 2015b. Data collected by Automated Gas Chromatographs (AutoGCs). https://www.tceq.texas.gov/airquality/monops/agc/autogc.html (accessed January 2016).
   Google Scholar
• Texas Commission on Environmental Quality. 2015c. Automated Gas Chromatographs (AutoGCs). Barnett Shale Monitoring Network. https://www.tceq.texas.gov/airquality/monops/agc/agc_barnett.html (accessed January 2016).
   Google Scholar
• Texas Railroad Commission 2015. Texas Barnett Shale Total Natural Gas Production 2000 through October 2015. http://www.rrc.state.tx.us/media/22204/barnettshale_totalnaturalgas_day.pdf (accessed January 2016).
   Google Scholar
• Torres, V.M., S. Herndon, and D.T. Allen. 2012a. Industrial flare performance at low flow conditions: Part 2. Air and steam assisted flares. Ind. Eng. Chem. Res. 51:12569–12576. doi:10.1021/ie202675f
   Web of Science ®Google Scholar
• Torres, V.M., S. Herndon, Z. Kodesh, and D.T. Allen. 2012b. Industrial flare performance at low flow conditions: Part 1. Study overview. Ind. Eng. Chem. Res. 51:12559–12568. doi:10.1021/ie202674t
   Web of Science ®Google Scholar
• U.S. Energy Information Administration. 2015a. International Energy Statistics, 2014. Washington, DC: U.S. Department of Energy. http://www.eia.gov/beta/international/ (accessed January 2016).
   Google Scholar
• U.S. Energy Information Administration. 2015b. Petroleum, 2015. Washington, DC: U.S. Department of Energy. http://www.eia.gov/petroleum/ (accessed January 2016).
   Google Scholar
• U.S. Energy Information Administration. 2015c. Natural Gas, 2015. EPA 430-R-14-003. Washington, DC: U.S. Department of Energy. http://www.eia.gov/naturalgas/ (accessed January 2016).
   Google Scholar
• U.S. Energy Information Administration. 2015d. Monthly Energy Review, December 2015. Washington, DC: U.S. Department of Energy. http://www.eia.gov/totalenergy/data/monthly/ (accessed January 2016).
   Google Scholar
• U.S. Energy Information Administration. 2015e. Electricity 2015. Washington, DC: U.S. Department of Energy. http://www.eia.gov/electricity/ (accessed January 2016).
   Google Scholar
• U.S. Energy Information Administration. 2015f. Annual Energy Outlook 2015. Washington, DC: U.S. Department of Energy. http://www.eia.gov/forecasts/aeo/ (accessed January 2016).
   Google Scholar
• U.S. Energy Information Administration. 2015g. Natural Gas Processing Plants in the United States: 2010 Update. Washington, DC: U.S. Department of Energy. http://www.eia.gov/pub/oil_gas/natural_gas/feature_articles/2010/ngpps2009/ (accessed January 2016).
   Google Scholar
• U.S. Energy Information Administration. 2015h. Eagle Ford Region, Drilling Productivity Report, December 2015. Washington, DC: U.S. Department of Energy. https://www.eia.gov/petroleum/drilling/pdf/eagleford.pdf (accessed January 2016).
   Google Scholar
• U.S. Environmental Protection Agency. 2009. Section 812 Prospective Study of the Benefits and Costs of the Clean Air Act: Air Toxics Case Study—Health Benefits of Benzene Reductions in Houston, 1990–2020. Report to U.S. Environmental Protection Agency, July 14, 2009. http://www.epa.gov/sites/production/files/2015-07/documents/812caaa_benzene_houston_final_report_july_2009.pdf (accessed January 2016).
   Google Scholar
• U.S. Environmental Protection Agency. 2012. Study of the Potential Impacts of Hydraulic Fracturing on Drinking Water Resources. EPA 601/R-12/011. Washington, DC: U.S. Environmental Protection Agency.
   Google Scholar
• U.S. Environmental Protection Agency. 2015a, National Emission Inventory, 2011, version 2. http://www.epa.gov/air-emissions-inventories/national-emissions-inventory (accessed January 2016).
   Google Scholar
• U.S. Environmental Protection Agency. 2015b. Greenhouse Gas Reporting Program. http://ghgdata.epa.gov/ghgp/ (accessed November 2015).
   Google Scholar
• U.S. Environmental Protection Agency. 2015c. Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990–2013.
   Google Scholar
• U.S. Environmental Protection Agency. 2015d. Greenhouse Gas Reporting Program. 2011-2012-2013 GHGRP Industrial Profiles Petroleum and Natural Gas Systems. http://www2.epa.gov/sites/production/files/2015-10/documents/subpart_w_2014_data_summary_10-05-2015_final.pdf (accessed December 2015).
   Google Scholar
• U.S. Environmental Protection Agency. 2015e. Natural Gas STAR. http://www3.epa.gov/gasstar/index.html (accessed January 2016).
   Google Scholar
• U.S. Environmental Protection Agency. 2015f. Methane: Addressing greenhouse gases and smog forming VOCs from the oil and gas industry. http://www3.epa.gov/airquality/oilandgas/methane.html (accessed January 2016).
   Google Scholar
• University of Texas Bureau of Economic Geology (UT BEG). 2013. Press Release: New, Rigorous Assessment of Shale Gas Reserves Forecasts Reliable Supply from Barnett Shale through 2030, February 28, 2013. Austin, TX: University of Texas http://www.utexas.edu/news/2013/02/28/new-rigorous-assessment-of-shale-gas-reserves-forecasts-reliable-supply-from-barnett-shale-through-2030/ (accessed January 2016).
   Google Scholar
• University of Texas Center for Energy and Environmental Resources (CEER). 2016. Supplemental Flare Operations Training for Plant Personnel. https://sfot.ceer.utexas.edu/ (accessed January 2016).
   Google Scholar
• Vidic, R.D., S.L. Brantley, J.M. Vandenbossche, D. Yoxtheimer, and J.D. Abad. 2013. Impact of shale gas development on regional water quality. Science 340:1235009. doi:10.1126/science.1235009
   Web of Science ®Google Scholar
• Vizuete, W., Y. Kimura, H. Jeffries, and D.T. Allen. 2008. Modeling ozone formation from industrial emission events in Houston, Texas. Atmos. Environ. 42:7641–7650. doi:10.1016/j.atmosenv.2008.05.063
   Web of Science ®Google Scholar
• Webster, M., J. Nam, Y. Kimura, H. Jeffries, W. Vizuete, and D.T. Allen. 2007. The effect of variability in industrial emissions on ozone formation in Houston, Texas. Atmos. Environ. 41:9580–9593. doi:10.1016/j.atmosenv.2007.08.052
   Web of Science ®Google Scholar
• Wennberg, P.O., W. Mui, D. Wunch, E.A. Kort, D.R. Blake, E.L. Atlas, G.W. Santoni, S.C. Wofsy, G.S. Diskin, S. Jeong, and M.C. Fischer. 2012. On the sources of methane to the Los Angeles atmosphere. Environ. Sci. Technol. 46:9282–9289. doi:10.1021/es301138y
   PubMed Web of Science ®Google Scholar
• Zavala-Araiza, D. 2014. Atmospheric Emissions and Air Quality Impacts of Natural Gas Production from Shale Formations. Ph.D. dissertation, University of Texas at Austin, Austin, Texas.
   Google Scholar
• Zavala-Araiza, D., D.T. Allen, M. Harrison, F.C. George, and G.R. Jersey. 2015a. Allocating Methane emissions to natural gas and oil production from shale formations. ACS Sustain. Chem. Eng. 3:492–498. doi:10.1021/sc500730x
   Web of Science ®Google Scholar
• Zavala-Araiza, D., D. Lyon, R.A. Alvarez, V. Palacios, R. Harriss, X. Lan, R. Talbot, and S.P. Hamburg. 2015b. Toward a functional definition of methane super-emitters: Application to natural gas production sites. Environ. Sci. Technol. 49:8167−8174, doi:10.1021/acs.est.5b00133
   Web of Science ®Google Scholar
• Zavala-Araiza, D., D.R. Lyon, R.A. Alvarez, K.J. Davis, R. Harriss, S.C. Herndon, A. Karion, E.A. Kort, B.K. Lamb, X. Lan, A.J. Marchese, S.W. Pacala, A.L. Robinson, P.B. Shepson, C. Sweeney, R. Talbot, A. Townsend-Small, T.I. Yacovitch, D.J. Zimmerle, and S.P. Hamburg. 2015c. Reconciling divergent estimates of oil and gas methane emissions. Proc. Natl. Acad. Sci. U. S. A. 112:15597–15602. doi:10.1073/pnas.1522126112
   PubMed Web of Science ®Google Scholar
• Zavala-Araiza, D., D.W. Sullivan, and D.T. Allen. 2014. Atmospheric hydrocarbon emissions and concentrations in the Barnett Shale natural gas production region. Environ. Sci. Technol. 48:5314–5321. doi:10.1021/es405770h
   PubMed Web of Science ®Google Scholar
• Zimmerle, D., A.J. Marchese, and A.L. Robinson. 2015. Measurements of methane emissions from natural gas gathering facilities and processing plants: Measurement results. Environ. Sci. Technol. 49:3219−3227. doi:10.1021/es5052809
   Web of Science ®Google Scholar