1. Arizona Department of Environmental Quality (ADEQ) (2011) Motorola 52nd street site EPA national priorities list (NPL) site. http://www.azdeq.gov/environ/waste/sps/download/phoenix/m52.pdf . Accessed 6 April 2012
2. Arizona Climate Change Action Group (ACCAG) (2006) Final Arizona greenhouse gas inventory and reference case projects: appendix D: greenhouse gas emissions inventory and reference case projections 1990–2020. Arizona Climate Change Action Group, Phoenix
3. Arizona Department of Environmental Quality (ADEQ) (2006) Third five year review: operable unit 1—Motorola 52nd street superfund site. Arizona Department of Environmental Quality, Phoenix
4. Arizona Public Service (APS) (2011) Arizona Public Service Company 2011–2020 transmission plan. http://www.aps.com/files/siting/APS_2011_Ten_Year_Plan_BTA-11-0017_Plan_Only.pdf . Accessed 2 April 2012
5. Arizona Public Service (APS) (2012) APS will fuel Arizona with a clean, diverse, customer-powered energy mix. http://www.azenergyfuture.com/files/resourceplan.pdf Accessed 2 April 2012