Editing Scottsdale, Arizona (section)

===Environmental issues===
From the 1950s to the 1970s, several large manufacturing companies in the Scottsdale and [[Tempe, Arizona|Tempe]] areas used the [[solvent]] [[trichloroethylene]] (TCE) in their manufacturing and operating processes.<ref name="EPA">"[http://www.epa.gov/region9/waste/sfund/indianbend/index.html Indian Bend Wash: Construction Complete]." ''[[United States Environmental Protection Agency]].'' Page last updated on February 16, 2007. Retrieved on February 28, 2007.</ref> In 1981, TCE began to show up in two Scottsdale drinking wells, and in 1983, the [[Indian Bend Wash Area|Indian Bend Wash superfund]] site was listed on the [[United States Environmental Protection Agency|Environmental Protection Agency]]'s National Priorities List.<ref name="EPA"/> Physical construction of [[environmental remediation]] systems was completed by 2006, with soil cleanup expected to be completed in five years and groundwater cleanup in 30 years.<ref name="EPA"/>

The city developed one of the first automated garbage trucks in 1969, replacing crews who dumped cans into a train of open trailers pulled by a truck, with a single operator sitting in an air conditioned cab.<ref>{{Cite web |url=http://www.scottsdalecvb.com/about/index.cfm?action=history |title=Scottsdale Arizona CVB : Hotels, Golf and Vacation Planning for Scottsdale AZ<!-- Bot generated title --> |access-date=June 2, 2006 |archive-date=April 27, 2006 |archive-url=https://web.archive.org/web/20060427053122/http://www.scottsdalecvb.com/about/index.cfm?action=history |url-status=dead }}</ref><ref>{{Cite web|title=Classic Refuse Trucks – City of Scottsdale |url=http://www.classicrefusetrucks.com/albums/albumpool/CS.html|website=www.classicrefusetrucks.com|access-date=May 30, 2020}}</ref>