Brady, W. J. (2012). Hydraulic Fracturing Regulation in the United States: The Laissez-Faire Approach of the Federal Government and Varying State Regulations. Denver, CO. University of Denver College of Law. Retrieved from http://www.law.du.edu/documents/faculty- highlights/Intersol-2012-HydroFracking.pdf
Drouin, R. R. (2014, Feb. 18). As Fracking Booms, Growing Concerns About Wastewater. Yale Environment 360. Yale School of Forestry and Environmental Studies. Retrieved from https://e360.yale.edu/feature/as_fracking_booms_growing_concerns_about_wastewater/2740/
Easton, J. (2015). Fracking Wastewater Management. WaterWorld Industrial Magazine. Retrieved from https://www.waterworld.com/index/about-us.html.
Grinberg, A. (2014, November). In the Pits: Oil and Gas Wastewater Disposal into Open Unlined Pits and the Threat to California’s Water and Air. Clean Water Action. Clean Water Fund. Retrieved from https://www.documentcloud.org/documents/1362974-ca-oil-and-gas-pit- report.html
Hansen, L. R. Connecticut General Assembly. Environmental Committee. (2014). Transport, Storage, and Disposal of Fracking Waste. OLR Research Report. Retrieved from https://www.cga.ct.gov/2014/rpt/2014-R-0016.htm.
Hasemyer, D. & Hirji, Z. (2014). In Fracking’s Wake: Open Pits Offer Cheap Disposal for Oil and Gas Sludge, but Health Worries Mount. InsideClimate News. David Sassoon. Retrieved from http://books.insideclimatenews.org/infrackingswake.
Lustgarten, A. (2012, June 21). Injection Wells: The Poison Beneath Us. Retrieved from ProPublica Research Database https://www.propublica.org/article/injection-wells-the-poison-.
Osborne, J. (2014, August 09). Fracking Companies begin slow shift to Recycling Wastewater. Dallas Morning News. Dallas, TX. Retrieved from www.dallasnews.com/business/energy/.
Pennsylvania Department of Environmental Protection (DEP). (2014, February). Proposed Regulations for Oil and Gas Surface Activities. Retrieved from www.dep.state.pa.us
Rahm, B. G. et al. (2013 May 15). Wastewater management and Marcellus Shale gas development: Trends, drivers, and planning implications. Journal of Environmental Management. Volume 120, pg. 105-113. Retrieved from http://www.sciencedirect.com/science/article/pii/S0301479713001175
Ridlington, E. & Rumpler, J. (2013). Fracking by the Numbers: Key impacts of Dirty Drilling at the State and National Level. p. 19-25. Environment America. Retrieved from http://www.environmentamerica.org/sites/environment/files/reports/EA_FrackingNumbers_scrn. pdf
Schailby, S. (2014, February). Storage Regulations at State Level Not Level at All. Shale Play Water Management. Retrieved from https://www.shaleplaywatermanagement.com/2014/02/water-storage-regulations-state-level-level/
Schmidt, C. W. (2013, April 1). Estimating Wastewater Impacts from Fracking. Environmental Health Perspectives. US National Library of Medicine, National Institutes of Health. Retrieved from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3620738/
Steinzor, N. & Baizel, B. (2015). Wasting Away: Four states’ failure to manage gas and oil field waste from the Marcellus and Utica Shale. p. 6-9, 28-30, 36-40, 52. EarthWorks. Retrieved from https://www.documentcloud.org/documents/1773957-wasting-away-report.html.
United State Environmental Protection Agency. (2004). Water: Hydraulic Fracturing. Evaluation of Impacts to Underground Sources of Drinking Water by Hydraulic Fracturing of Coalbed Methane Reservoirs Study. Washington, DC. Retrieved from http://water.epa.gov/type/groundwater/uic/class2/hydraulicfracturing/wells_coalbedmethanestudy.cfm/
United States Environmental Protection Agency. (2012). Water: Underground Injection Control, Classes of Wells. Washington, DC. Retrieved from http://water.epa.gov/type/groundwater/uic/wells.cfm.
United States House of Representatives Committee on Energy and Commerce (2011). Chemicals Used in Hydraulic Fracturing. Washington, D.C. Retrieved from https://conservationco.org/admin/