Record Display for the EPA National Library Catalog


Main Title Specific Site Assessment for Coal Combustion Waste Impoundments at Arizona Electric Power Cooperative (AEPCO) Apache Power Plant, Cochise, Arizona. Draft Final.
CORP Author GEI Consultants, Inc., Centennial, CO.; Lockheed Martin, Edison, NJ.; Environmental Protection Agency, Washington, DC.
Year Published 2009
Stock Number PB2010-110163
Additional Subjects Dam safety ; Waste management ; Surface impoundments ; Coal ash impoundment ; Site assessments ; Recommendations ; Construction ; Operations ; Seismology ; Geology ; Instrumentation ; Structural stability ; Maintenance ; Operation methods ; Ash ponds ; Field assessments ; Arizona ; Impoundment embankment dams ; Apache Power Plant ; Arizona Electric Power Cooperative(AEPCO) ; Spillway adequacy ; Emergency action plans ; Cochise(Arizona)
Library Call Number Additional Info Location Last
NTIS  PB2010-110163 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 157p
This report presents the results of a specific site assessment of the dam safety of seven impoundment embankment dams at the Apache Power Plant in Cochise, Arizona. These impoundments are Ash Ponds 1, 2, 3, and 4 (AP1, AP2, AP3, and AP4), Scrubber Sludge Ponds 1 and 2 (SSP1 and SSP2), and the Evaporation Pond. These seven impoundments comprise the Coal Combustion Waste Facility at the Apache Power Plant. Other coal combustion waste impoundments at the Apache Power Plant include the Low Volume Wastewater Pond, Cooling Tower Blowdown Pond, and the Coal Pile Retention Basin. The power plant also has a coal combustion waste facility that has been closed under Arizona Department of Environmental Quality (DEQ) requirements. The specific site assessment was performed on September 2 and 3, of 2009.