Mitigation Order on Consent
2010 |
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| 1/29/10 | Report from Martha Mottley, Sierrita, to Cynthia Campbell, ADEQ; Mitigation Order on Consent No. P-50-06; Final Wellfield Conceptual Design (PDF file - 125 pages) |
2009 |
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| 12/18/09 | Letter from Martha Mottley, Sierrita, to Cynthia Campbell, ADEQ; Mitigation Order on Consent No. P-50-06, October 1, 2009 through December 31, 2009, Status Report (PDF file - 2 pages) |
| 10/23/09 | Letter from Martha Mottley, Sierrita, to Cynthia Campbell, ADEQ; Groundwater Monitoring Report, Second and Third Quarter 2009, Mitigation Order on Consent, Docket No. P-50-06 (PDF file - 367 pages) |
| 9/30/09 | Letter from Ned Hall, Sierrita, to Cynthia Campbell, ADEQ; Mitigation Order on Consent |
| 9/11/09 | Letter from Martha Mottley, Sierrita, to Cynthia Campbell, ADEQ; Mitigation Order on Consent No. P-50-06, Aquifer Testing Results Associated with Feasibility Studies (PDF file - 131 pages) |
| 9/03/09 | Letter from Martha Mottley, Sierrita, to Cynthia Campbell, ADEQ; Mitigation Order on Consent No. P-50-06, Monitor Well Installation Report Mo-2009-1 (PDF file - 78 pages) |
| 6/30/09 | Letter from Ned Hall, Sierrita, to Cynthia Campbell, ADEQ; Mitigation Order on Consent No. P-50-06, April 1, 2009 through June 30, 2009, Status Report |
| 6/12/09 | Letter from Ned Hall, Sierrita to Cynthia Campbell, ADEQ; Mitigation Order on Consent |
| 5/15/09 | Letter from Ned Hall, Sierrita; to Cynthia Campbell, ADEQ; Mitigation Order on Consent No. |
| 5/08/09 | Letter from Ned Hall, Sierrita, to Cynthia Campbell, ADEQ; Mitigation Order on Consent Docket No. P-50-06, Response to ADEQ Comments on the Feasibility Study and Mitigation Plan (PDF file - 50 pages) |
| 4/17/09 | Letter from Cynthia Campbell, ADEQ, to Ned Hall, Sierrita; Mitigation Order on Consent No. P-50-06, Groundwater Monitoring for Sulfate (PDF file - 2 pages) |
| 3/31/09 | Letter from Ned Hall, Sierrita, to Cynthia Campbell, ADEQ; Mitigation Order on Consent No. P-50-06, January 1, 2009 through March 31, 2009, Status Report (PDF file – 2 pages) |
| 3/30/09 | Letter from Ned Hall, Sierrita, to Cynthia Campbell, ADEQ; Groundwater Monitoring Report, First Quarter 2009, Mitigation Order on Consent, Docket No. P-50-06 (PDF file – 354 pages) |
| 3/6/09 | Letter from Cynthia Campbell, ADEQ to Ned Hall, Sierrita; Mitigation Order on Consent No. P-50-06, ADEQ’s Response to Freeport’s Feasibility Report (PDF file – 6 pages) |
| 2/2/09 | Letter from Ned Hall, Sierrita, to Cynthia Campbell, ADEQ; Revised Aquifer Characterization Report – Mitigation Order on Consent, Docket No. P-50-06 (PDF files) (Part A – 69 pages) (Part B – 10 pages) (Part C – 51 pages) (Part D – 204 pages) (Part E – 251 pages) (Part F – 275 pages) (Part G – 116 pages) |
| 1/26/09 | Letter from Cynthia Campbell, ADEQ to Ned Hall, Sierrita; Mitigation Order on Consent No. P-50-06, Recommended Groundwater Monitoring for Sulfate Your Letter Dated December 23, 2008 (PDF file - 2 pages) |
2008 |
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| 12/30/08 | Letter from Ned Hall, Sierrita, to Cynthia Campbell, ADEQ; Mitigation Order on Consent No. P-50-06, October 1, 2008 through December 31, 2008, Status Report (PDF file - 2 pages) |
| 12/23/08 | Letter from Ned Hall, Sierrita, to Cynthia Campbell, ADEQ; Mitigation Order on Consent, Docket No. P-50-06, Recommended Groundwater Monitoring for Sulfate (PDF file - 4 pages) |
| 12/19/08 | Letter from Ned Hall, Sierrita, to Cynthia Campbell, ADEQ; Groundwater Monitoring Report, Fourth Quarter 2008, Mitigation Order on Consent, Docket No. P-50-06 (PDF file - 443 pages) |
10/23/08 |
Letter from Ned Hall, Sierrita, to Cynthia Campbell, ADEQ; Mitigation Order on Consent, Docket No. P-50-06, Feasibility Study (Report Text and Tables - 163 pages) (Report Figures- 26 pages) (Appendix A - 65 pages) (Appendix B - 40 pages) (Appendix C - 43 pages) (Appendix D -34 pages) (AppendiX E - 13 pages) (Appendix F - 58 pages) (Appendix G - 45 pages) (Appendix H - 23 pages) |
9/30/08 |
Letter from Ned Hall, Sierrita, to Cynthia Campbell, ADEQ; Mitigation Order on Consent No. P-50-06, July 1, 2008 through September 30, 2008, Status Report (PDF file - 2 pages) |
9/29/08 |
Letter from Ned Hall, Sierrita, to Cynthia Campbell, ADEQ; Groundwater Monitoring Report, Third Quarter 2008, Mitigation Order on Consent, Docket No. P-50-06 (PDF file - 379 pages) |
9/29/08 |
Letter from Ned Hall, Sierrita, to Cynthia Campbell, ADEQ; Mitigation Order on Consent, Docket No. P-50-06, Response to ADEQ’s September 5, 2008 Comments (PDF file - 30 pages) |
9/5/08 |
Letter from Cynthia S. Campbell, ADEQ to Ned Hall, Sierrita: Mitigation Order on Consent, Docket No. P-50-06, ADEQ Response to Freeport’s August 25, 2008 Letter (PDF file - 2 pages) |
8/25/08 |
Letter from Ned Hall, Sierrita to Cynthia S. Campbell, ADEQ: Mitigation Order on Consent, Docket No. P-50-06, Response to ADEQ’s July 21, 2008 Comments (PDF file - 2 pages) |
7/21/08 |
Letter from Cynthia S. Campbell, ADEQ, to Ned Hall, Sierrita - Mitigation Order on Consent No. P-50-06, ADEQ’s Response to Freeport’s Comments on ADEQ’s Initial Response to the Sierrita Aquifer Characterization Report (PDF file - 2 pages) |
6/30/08 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Mitigation Order on Consent No. P-50-06, April 1, 2008 through June 30, 2008, Status Report (PDF file - 2 pages) |
6/24/08 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Groundwater Monitoring, Second Quarter 2008, Mitigation Order on Consent, Docket No. P-50-06 (PDF file - 374 pages) |
6/12/08 |
Letter from Ned Hall, Sierrita, to Cynthia Campbell, ADEQ; Mitigation Order on Consent No. P-50-06, Response to Arizona Department of Environmental Quality Comments on the Aquifer Characterization Report (PDF file - 41 pages) |
4/24/08 |
Letter from Cynthia S. Campbell, ADEQ to E. L. (Ned) Hall, Sierrita; Mitigation Order, Docket No: P-50-06 - Review of Aquifer Characterization Report (PDF file - 25 pages) |
4/17/08 |
Letter from Ned Hall, Sierrita, to Robert Casey, ADEQ; Mitigation Order on Consent No. P-50-06, Proposed Project Schedule Revision (PDF file - 2 pages) |
3/31/08 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Mitigation Order on Consent No. P-50-06, January 1, 2008 through March 31, 2008, Status Report (PDF file - 2 pages) |
3/26/08 |
Letter from Robert Casey, ADEQ to Ned Hall, Sierrita Operations; Focused Feasibility Study (PDF File - 13 pages) |
3/20/08 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Groundwater Monitoring Report First Quarter 2008, Phelps Dodge Sierrita, Inc. – Mitigation Order on Consent, Docket No. P-50-06 (PDF file - 389 pages) |
1/31/08 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Quarterly Groundwater Monitoring, Phelps Dodge Sierrita, Inc. - Mitigation Order onConsent, Docket No. P-50-06 (PDF file - 1 page) |
2007 |
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12/28/07 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Mitigation Order on Consent No. P-50-06, September 30, 2007, through December 31, 2007, Status Report (PDF file - 2 pages) |
12/28/07 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Final Aquifer Characterization Report, Phelps Dodge Sierrita, Inc. – Mitigation Order on Consent, Docket No. P-50-06 (PDF files) (Part A - 56 pages) (Part B - 8 pages) (Part C - 44 pages) (Part D -201 pages) (Part E - 238 pages) (Part F - 320 pages) (Part G - 136 pages) |
12/28/07 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Focused Feasibility Study, Phelps Dodge Sierrita, Inc. – Mitigation Order on Consent, Docket No. P-50-06 (PDF files) (Part A - 83 pages) (Part B - 52 pages) |
12/20/07 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Groundwater Monitoring Report, Fourth Quarter 2007, Phelps Dodge Sierrita, Inc. – Mitigation Order on Consent, Docket No. P-50-06 (PDF file - 437 pages) |
11/16/07 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Mitigation Order on Consent No. P-50-06; Revised Interceptor Wellfield Report (PDF files) (Part A - 68 pages) (Part B - 103 pages) |
10/26/07 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Mitigation Order on Consent No. P-50-06; Request to Cancel Community Advisory Group Meeting (PDF File - 1 page) |
9/28/07 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Mitigation Order on Consent No. P-50-06 July 1, 2007 through September 30, 2007 Status Report (PDF File - 2 pages) |
9/27/07 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Groundwater Monitoring Report, Third Quarter 2007, Phelps Dodge Sierrita, Inc. - Mitigation Order on Consent No. P-50-06 (PDF files) (Part A - 31 pages) (Part B - 30 pages) (Part C - 618 pages) |
9/21/07 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Mitigation Order on Consent No. P-50-06 Proposed Project Schedule Revision/Notice of Force Majeure (PDF File - 2 pages) |
6/29/07 |
Letter from Chad Fretz, PDSI, to Robert Casey, ADEQ; Mitigation Order on Consent No. P-50-06 – April 1, 2007 through June 30, 2007 Status Report (PDF file - 2 pages) |
6/28/07 |
Letter from Chad Fretz, PDSI, to Robert Casey, ADEQ; Groundwater Monitoring Report, Second Quarter 2007, Phelps Dodge Sierrita, Inc. - Mitigation Order on Consent No. P-50-06 (PDF files) (Part A - 95 pages) (Part B - 55 pages) (Part C - 50 pages) (Part D - 50 pages) (Part E - 50 pages) (Part F - 50 pages) (Part G - 51 pages) |
5/31/07 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Mitigation Order on Consent No. P-50-06, Response to Comments on Evaluation of the Current Effectiveness of the Sierrita Wellfield Report (PDF File - 5 pages) |
5/31/07 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Mitigation Order on Consent No. P-50-06, Response to Comments on Identification of Potential Interim Actions, Groundwater Monitoring Report, Well Inventory Report (PDF file - 7 pages) |
4/17/07 |
Letter from Cynthia S. Campbell, ADEQ, to Ned Hall, PDSI; Mitigation Order on Consent, Docket No. P-50-06, Evaluation of the Current Effectiveness of the Sierrita Wellfield (PDF file - 3 pages) |
3/30/07 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Groundwater Monitoring Report, First Quarter 2007 Phelps Dodge Sierrita, Inc. – Mitigation Order on Consent, Docket No. P-50-06 (PDF files) (Part A - 28 pages) (Part B - 3 pages) (Part C - 97 pages) (Part D - 399 pages)(Part E - 397 pages) |
3/30/07 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Mitigation Order on Consent No. P-50-06 – January 1, 2007 through March 31, 2007 Status Report (PDF file - 2 pages) |
3/12/07 |
Letter from Robert Casey, ADEQ, to Ned Hall, PDSI; Mitigation Order on Consent, Docket No: P-50-06 – Identification of Potential Interim Actions, Groundwater Monitoring Report, Well Inventory Report (PDF file - 4 pages) |
2/27/07 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Mitigation Order on Consent No. P-50-06 – Evaluation of the Current Effectiveness of the Sierrita Interceptor Wellfield (PDF file - 110 pages) |
2006 |
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12/31/06 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Mitigation Order on Consent No. P-50-06 – September 13, 2006 through December 31, 2006 Status Report (PDF file - 2 pages) |
12/29/06 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Groundwater Monitoring Report, Fourth Quarter 2006 Phelps Dodge Sierrita, Inc. – Mitigation Order on Consent, Docket No. P-50-06 (PDF file - 34 pages) |
12/22/06 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ Identification of Potential Interim Actions Phelps Dodge Sierrita, Inc. – Mitigation Order on Consent, Docket No. P-50-06 (PDF file - 69 pages) |
12/21/06 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ Well Inventory Report Phelps Dodge Sierrita, Inc. – Mitigation Order on Consent, Docket No. P-50-06 (PDF file - 85 pages) |
11/15/06 |
Letter from Cynthia Campbell, ADEQ, to John Brack, PDSI; Mitigation Order on Consent, Docket No: P-50-06 – Work Plan (revised work plan approval) (PDF file - 2 pages) |
11/13/06 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; Transmittal of Health and Safety plan for Aquifer Characterization Plan - Mitigation Order on Consent, Docket No: P-500-06 (PDF file - 138 pages) |
10/31/06 |
Letter from John D. Brack, PDSI, to Robert Casey, ADEQ; Transmittal of Revised Work Plan Materials Mitigation Order on Consent, Docket No: P-500-06 (PDF file - 53 pages) |
10/30/06 |
Letter from John D. Brack, PDSI, to Robert Casey, ADEQ; Work Plan Addendum and Phelps Dodge Sierrita, Inc. Response to ADEQ Work Plan Comments Mitigation Order on Consent, Docket No: P-500-06 (PDF file - 34 pages) |
10/24/06 |
Letter from John D. Brack, PDSI, to Cynthia Campbell, ADEQ; Revised Schedule for Mitigation Order on Consent, Docket No. P-50-06 (PDF file - 4 pages) |
9/22/06 |
Letter from Robert Casey, ADEQ, to John D. Brack, PDSI; RE: Mitigation Order On Consent No. P-50-06 – Work Plan Response (PDF file - 11 pages) |
9/12/06 |
Letter from Ned Hall, PDSI, to Robert Casey, ADEQ; RE: Mitigation Order On Consent No. P-50-06 – June 15, 2006 through September 13, 2006 Status Report (PDF file - 2 pages) |
9/7/06 |
Letter from John D. Brack, PDSI to Robert Casey, ADEQ; RE: Amendment to Work Plan to Characterize and Mitigate Sulfate with Respect to Drinking Water Supplies in the Vicinity of the Phelps Dodge Sierrita Tailing Impoundment (PDF file - 4 pages) |
8/11/06 |
Letter from John D. Brack, PDSI to Robert Casey, ADEQ; RE: Work Plan Phelps Dodge Sierrita, Inc. – Mitigation Order on Consent, Docket No. P-50-06 (PDF file - 352 pages) |
6/15/06 |
Mitigation Order On Consent, Docket No. P-50-06 in the matter of Phelps Dodge Sierrita Mine (PDF file - 15 pages) |