Arizona Department of Environmental Quality = ADEQ "The ADEQ analyzed many water samples taken at different times from the Nogales Wash Channel between 1993 and 2002. Among other elevated readings, they found Barium at levels of: 850 ug/l, 950 ug/l and 900 ug/l." http://www.geoengineeringwatch.org/htm/303.html
Public ADEQ Meeting - 06/25/2014 due to State Senator Kelli Ward ( http://kelliward.net )