ASARCO Mission Complex Mine Tailings Dust

Below is a list of documents related to dust emissions from the ASARCO Mission Complex tailings dam in November and December, 2009. This web page will be updated as information becomes available.

PDEQ-issued Air Quality Permit (06-16-2003)
University of Arizona Study - Phytostabilization of Mine Tailings in Arid and Semiarid Environments - An Emerging Remediation Technology (03-01-2008)
PDEQ-issued October Opportunity to Correct (OC)(10-21-2009)
PDEQ-issued November Notice of Violation (NOV) (11-13-2009)
PDEQ Report of ASARCO Inspection(12-22-2009)
PDEQ-issued December Notice of Violation (NOV) (12-22-2009)
ASARCO Response to OC(12-23-2009)
Pima County Administrator Memo to Board of Supervisors (1-5-2010)
ASARCO Request for 30-Day Extension to Respond to NOV (1-8-2010)
PDEQ Denial of Extension Request (1-15-2010)
PDEQ Site Report of Sampling at ASARCO Tailings Dam #8 (1-25-2010)
ASARCO Response to Notices of Violation (NOV) (1-27-2010)
PDEQ Response to ASARCO regarding OC (2-9-2010)
ASARCO Meeting Request to Discuss Proposed Berm Construction Dust Control Plan (2-12-2010)
ASARCO Tailings Dam # 8 Sample Analysis Results from EPA laboratory (2-12-2010)
ASARCO Tailings - UA Atmospheric Sciences/Superfund Program Response to EPA Region 9 Analysis (2-24-2010)
UA Particulate Analysis of Samples in Vicinity of ASARCO Mission Mine(3-2-2010)
PDEQ Update Memo to Pima County Administrator (3-4-2010)
PDEQ Receipt Acknowledgement of ASARCO Response to NOVs (3-5-2010)
PDEQ Comments & Follow up Questions After Berm Construction Dust Control Plan Meeting (3-5-2010)

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520-243-7400