Sierrita Voluntary Remediation Program | Freeport-McMoRan

Sierrita Voluntary Remediation Program

2021

08/18/21

The language for the letter is: Letter from Joey Pace, ADEQ to David Rhoades, Sierrita – Notice of Site Closure - AZ VRP Site Code: 100073-03 (PDF file - 3 pages)

2020

06/30/20	Letter from Joey Pace, ADEQ, to William Hart, Sierrita, – Sierrita Administrative Closure – Former CLEAR Plant Exposure Area and Former Esperanza Mill Exposure Area, AZ VRP Site Code: 100073-03 (PDF file- 5 pages)
06/04/20	Letter from William Hart, Sierrita to Joey Pace, ADEQ, – Request for Administrative Closure - AZ VRP Site Code: 100073-03 (PDF file- 36 pages)
03/17/20	Letter from Joey Pace, ADEQ to David Rhoades, Sierrita – Permission to Proceed with Request for Administrative Closure. AZ VRP Site Code: 100073-03 (PDF file- 4 pages)
03/17/20	Letter from Joey Pace, ADEQ to David Rhoades, Sierrita – Approval of Final Baseline Human Health Risk Assessment. AZ VRP Site Code: 100073-03 (PDF file- 2 pages)
01/09/20	Letter from Joey Pace, ADEQ to David Rhoades, Sierrita – Review of 2019 Baseline Human Health Risk Assessment. AZ VRP Site Code: 100073-03 (PDF file- 4 pages)

2019

10/02/19	Letter from Joey Pace, ADEQ to David Rhoades, Sierrita – Review of 2019 Baseline Human Health Risk Assessment. AZ VRP Site Code: 100073-03 (PDF file- 3 pages)
08/15/19	Letter from William Hart, Sierrita to Joey Pace, ADEQ – Revised Final Baseline Human Health Risk Assessment. AZ VRP Site Code: 100073-03 (PDF file- 604 pages)
03/05/19	Letter from Joey Pace, ADEQ to David Rhoades, Sierrita – Review of 2018 Revised Baseline Human Health Risk Assessment. AZ VRP Site Code: 100073-03 (PDF file- 4 pages)

2018

02/16/18	Letter from Joey Pace, ADEQ to David Rhoades, Sierrita – ADEQ/ADHS February 2018 Comments on Sierrita BHHRA. AZ VRP Site Code: 100073-03 (PDF file- 2 pages)
02/02/18	Letter from Joey Pace, ADEQ to David Rhoades, Sierrita – ADHS Review of: (1) Sierrita BHHRA, dated June 7, 2016; (2) ADEQ's Comments on the BHHRA, (includes ADEQ/Kleinfelder comments) dated August 18, 2016; and (3) Arcadis’s Summary and Response Intentions for Comments, dated December 19, 2017. AZ VRP Site Code: 100073-03 (PDF file- 2 pages)

2017

12/18/17	Letter from Joey Pace, ADEQ to David Rhoades, Sierrita – Approval of Background Soil Assessment Plan- AZ VRP Site Code: 100073-03 (PDF file- 13 page)
10/30/17	Letter from Deborah Chismar, Sierrita to Joey Pace, ADEQ – Voluntary Remediation Program – VRP Site Code: 100073-03, Background and Soil Assessment Work Plan (PDF file- 13 page)
01/06/17	Letter from Deborah Chismar, Sierrita to Joey Pace, ADEQ – Voluntary Remediation Program – VRP Sode: 100073-03, Action Items from the September 30, 2016 Meeting at ADEQ (PDF file- 1 page)

2016

08/18/16	Letter from Joey Pace, ADEQ to David Rhoades, Sierrita – Review of Baseline Human Health Risk Assessment (PDF file- 7 pages)
06/07/16	Letter from Deborah Chismar, Sierrita to Joey Pace, ADEQ – Baseline Human Health risk Assessment Sierrita VRP; AZ VRP Site Code: 100073-03 (PDF file- 488 pages)
04/22/16	Letter from Joey Pace, ADEQ to Deborah Chismar, Sierrita – Voluntary Remediation Program – VRP Site Code: 100073-03 Freeport-McMoRan Sierrita Inc., Green Valley, AZ Request for No Further Action Determination for Arsenic, Copper and Lead in Soil for the Former CLEAR Plant Paving Project (PDF file- 2 pages)
04/14/16	Letter from Deborah Chismar, Sierrita to Joey Pace, ADEQ – Voluntary Remediation Program – VRP Site Code: 100073-03 Freeport-McMoRan Sierrita Inc., Green Valley, AZ Request for No Further Action for the Former CLEAR Plant Paving Project (PDF file- 4 pages)

2015

12/17/15	Letter from Joey Pace, ADEQ to Chad Fretz, Sierrita – Review of Revised Former CLEAR Plant Area Paving Project Soil Removal and Confirmation Sampling Report - VRP Site Code: 100073-03 (PDF file- 2 pages)
12/15/15	Letter from Joey Pace, ADEQ to Deborah Chismar, Sierrita – Sierrita Data Gaps Work Plan, due date extension pre-mobilization activities ADEQ approval - VRP Site Code: 100073-03 (PDF file- 1 page)
12/03/15	Letter from Deborah Chismar, Sierrita to Joey Pace, ADEQ – Revised CLEAR Plant Area Paving Project Soil Removal and Confirmation Sampling Report, Freeport-McMoRan Sierrita Inc., Green Valley, AZ VRP – VRP Site Code: 100073-03 (PDF file- 171 pages)
11/12/15	Letter from Joey Pace, ADEQ to Chad Fretz, Sierrita – Approval of revised Data Gaps Work Plan including October 2015 Field Sampling Plan Addendum and October 2005 Quality Assurance Project Plan Addendum for Sierrita VRP; AZ VRP Site Code: 100073-03 (PDF file- 3 pages)
10/12/15	Letter from John Stitzer, Sierrita to Joey Pace, ADEQ – revised Data Gaps Work Plan for Sierrita VRP; AZ VRP Site Code: 100073-03 (PDF file- 73 pages)
05/13/15	Letter from Danielle Taber, ADEQ to John Broderick Sierrita – Review of Response to Comments revised Baseline Human Health risk Assessment Work Plan Sierrita VRP; AZ VRP Site Code: 100073-03 (PDF file- 2 pages)
04/24/15	Letter from Deborah Chismar, Sierrita to Danielle Taber, ADEQ – Response to ADEQ Comments Voluntary Remediation Program Baseline Human Health risk Assessment Work Plan Sierrita VRP; AZ VRP Site Code: 100073-03 (PDF file- 57 pages)
03/24/15	Submittal from ARCADIS to Danielle Taber and John Patricki, ADEQ – Review of Background Well Locations and Groundwater Quality Sierrita VRP; AZ VRP Site Code: 100073-03 (PDF file- 26 pages)
02/19/15	Letter from Danielle Taber, ADEQ to John Broderick Sierrita – Review of draft Baseline Human Health risk Assessment Work Plan Sierrita VRP; AZ VRP Site Code: 100073-03 (PDF file- 4 pages)
01/23/15	Letter from Diana Kelts, Sierrita to Danielle Taber, ADEQ – Response to ADEQ Comments Program Data Gaps Work Plan Sierrita VRP; AZ VRP Site Code: 100073-03 (PDF file- 11 pages)
01/02/15	Letter from Diana Kelts, Sierrita to Danielle Taber, ADEQ – Response to ADEQ Comments Program Baseline Human Health risk Assessment Work Plan Sierrita VRP; AZ VRP Site Code: 100073-03 (PDF file- 11 pages)

2014

12/24/14	Letter from Danielle Taber, ADEQ to John Broderick Sierrita – Review of draft Data Gaps Work Plan Sierrita VRP; AZ VRP Site Code: 100073-03 (PDF file- 4 pages)
11/18/14	Letter from Danielle Taber, ADEQ to John Broderick Sierrita – Review of draft Baseline Human Health risk Assessment Work Plan Sierrita VRP; AZ VRP Site Code: 100073-03 (PDF file- 17 pages)
11/07/14	Letter from Diana Kelts Sierrita to Danielle Taber, ADEQ – Data Gaps Work Plan for Sierrita VRP; AZ VRP Site Code: 100073-03 (PDF file- 976 pages)
09/12/14	Letter from Deborah Chismar Sierrita to Danielle Taber, ADEQ – Response to ADEQ's Comments on the Freeport-McMoRan Groundwater Investigation Report dated April 11, 2014. Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file- 7 pages)
05/23/14	Letter from Deborah Chismar Sierrita to Danielle Taber, ADEQ – Response to ADEQ's Comments on the Freeport-McMoRan Groundwater Investigation Report dated April 11, 2014. Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file- 110 pages)
04/11/14	Letter from Danielle Taber, ADEQ to John Broderick Sierrita – Comments to Freeport-McMoRan on the Groundwater Investigation Report dated April 11, 2014. Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file- 5 pages)

2013

12/20/13	Submittal letter from Kanyembo Katapa, Sierrita to Danielle Taber, ADEQ – Voluntary Remediation Program Groundwater Report. Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file- 192 pages) (Appendix A - 421 pages) (Appendix B - 18048 pages) (Appendix C - 15 pages)
12/13/13	Letter from Danielle Taber, ADEQ to John Broderick Sierrita – Response to Freeport-McMoRan Comment letter dated November 18, 2013. Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 1 page)
11/18/13	Letter from Kanyembo Katapa. Sierrita to Danielle Taber, ADEQ – Response to Comments and Technical Memorandum for Final Voluntary Remediation Soil and Sediment Characterization Report. Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 20 pages)
09/27/13	Letter from Danielle Taber, Sierrita to John Broderick, Sierrita – Acknowledgement of Addendum to the Soil and Sediment Characterization Report. Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 1 page)
08/29/13	Letter from Danielle Taber, Sierrita to John Broderick, Sierrita – Response to Freeport-McMoRan Copper & Gold (FMI) Comment Letter dated 08/01/13. Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 2 pages)
08/06/13	Submittal letter from Kanyembo Katapa. Sierrita to Danielle Taber, ADEQ – Addendum to the Soil and Sediment Characterization Report. Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 3507 pages)
08/01/13	Letter from Kanyembo Katapa, Sierrita to Danielle Taber, ADEQ – Response to Comments and Revised Report for Final Voluntary Remediation Soil and Sediment Characterization Report; Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 24 pages)
06/14/13	Letter from Julie Hoskin, ADEQ to John Broderick, Sierrita – Approval of No Further Action –Soil, for Former CLEAR Plant Training Facility. Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 6 pages)
05/21/13	Letter from Danielle Taber, ADEQ toSubmittal letter from Kanyembo Katapa, Sierrita to Danielle Taber, ADEQ – Former CLEAR Plant Training Facility Certification for No Further Action Determination. Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 2 pages)
02/27/13	Letter from Danielle Taber, ADEQ to John Broderick, Sierrita - Approval of the Revised Former CLEAR Plant Area Soil Excavation and Tier I Screening Risk Report. Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 2 pages)
02/26/13	Letter from Danielle Taber, ADEQ to John Broderick, Sierrita - Review of January 8, 2013 Response to Comments letter; Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 4 pages)
02/22/13	Submittal letter from Clinton Beck, Sierrita to Danielle Taber, ADEQ - Baseline Human Health Risk Assessment Work Plan; Freeport-McMoRan Sierrita Inc., Green Valley, AZ - VRP Site Code: 1000073-03 (PDF file - 53 pages)
01/18/13	Submittal letter from Clinton Beck, Sierrita to Danielel Taber, ADEQ - Revised Former CLEAR Plant Soil Excavation and Tier I Screening Risk Report; Freeport-McMoRan Sierrita Inc.; Green Valley, Arizona - VRP Site Code: 100073-03 (PDF file - 209 pages)
01/08/13	Submittal letter from Clinton Beck, Sierrita to Danielle Taber, ADEQ - Revised Final Soil and Sediment Charecterization Report; Freeport-McMoRan Sierrita Inc.; Green Valley, Arizona - VRP Site Code: 100073-03 (PDF file - 2849 pages)

2012

08/28/12	Submittal letter from Clinton Beck, Sierrita to Danielle Taber, ADEQ - Former CLEAR Plant Soil Excavation and Tier I Screening Risk Report; Freeport-McMoRan Sierrita Inc.; Green Valley, Arizona - VRP Site Code:100073-03 (PDF file - 187 pages)
06/22/12	Letter from Danielle Taber, ADEQ to John Broderick, Sierrita - Review of February 2, 2012 Response to Comments letter; Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 2 pages)
05/23/12	Letter from Danielle Taber, ADEQ to John Broderick, Sierrita – Notification of new Project Manager (PDF file - 1 page)
05/02/12	Letter from Danielle Taber, ADEQ to John Broderick, Sierrita – ADEQ’s Review of Response to Comments and Revised Work Plan for Training Facility Soil Excavation Project; Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 2 pages)
04/17/12	Submittal letter from Martha Mottley, Sierrita to Danielle Taber, ADEQ – Response to Comments and Revised Work Plan for Training Facility Soil Excavation Project; Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 28 pages)
03/29/12	Letter from Danielle Taber, ADEQ to John Broderick, Sierrita – ADEQ’s Review of Work Plan for Training Facility Soil Excavation Project; Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 2 pages)
02/29/12	Submittal letter from Martha Mottley, Sierrita to Danielle Taber, ADEQ – Voluntary Remediation Program Work Plan for Training Facility Soil Excavation Project; Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 25 pages)
02/02/12	Letter from Martha Mottley, Sierrita to Danielle Taber, ADEQ – Response to ADEQ’s Review of Final Voluntary Remediation Program Soil and Sediment Characterization Report; Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 2 pages)

2011

10/07/11	Letter from Danielle Taber, ADEQ to John Broderick, Sierrita – Review of Soil Sediment Characterization Report dated April 6, 2011; Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 8 pages)
08/11/11	Letter from Martha Mottley, Sierrita to Danielle Taber, ADEQ – Response to ADEQ’s request for information; Freeport-McMoRan Sierrita Inc., Green Valley, Arizona VRP Site Code 100073-03 (PDF file - 9 pages)
05/23/11	Letter from Danielle Taber, ADEQ to John Broderick, Sierrita - Change of Voluntary Remediation Program Project Manager for Sierrita , Site Code: 100073-03 and Request for Site Visit (PDF file - 1 pages)
04/04/11	Letter from Martha G. Mottley, Sierrita to Tina LePage, ADEQ –Soil and Sediment Characterization Report; Freeport-McMoRan Sierrita inc; Green Valley, Arizona – VRP Site Code: 100073-03 (Reports and Tables- 101 pages) (Appendix A- 133 pages) (Appendix B Part 1- 477 pages) (Appendix B Part 2- 531 pages) (Appendix B Part 3- 508 pages) (Appendix B Part 4- 639 pages) (Appendix C- 379 pages) (Appendix D- 132 pages)

2008

11/26/08	Letter from Joey Pace, ADEQ to Ned Hall, Sierrita – Review of Freeport-McMoRan’s Response to ADEQ Comments to the Quality Assurance Project Plan and Sampling and Analysis Plan; Freeport-McMoRan Sierrita Inc., Green Valley, Arizona, VRP Site Code: 100073-03 (PDF file - 1 page)
11/19/08	Letter from Ned Hall, Sierrita to Joey Pace, ADEQ – Response to ADEQ Comments to the Quality Assurance Project Plan and Sampling and Analysis Plan for the Freeport-McMoRan Sierrita Inc., Voluntary Remediation, Green Valley, Arizona - VRP Site Code: 100073-03 (PDF file - 307 pages)
07/14/08	Letter from Joey Pace, ADEQ to Ned Hall, Sierrita – Voluntary Remediation Program Investigation Work Plan Freeport-McMoRan Sierrita Inc. Green Valley, Arizona VRP Site Code: 100073-03 (PDF file - 3 pages)
05/29/08	Letter from Joey Pace, ADEQ to Ned Hall, Sierrita – Review of Quality Assurance Plan and Sampling and Analysis Plan, Freeport-McMoRan Sierrita Inc. (PDF file - 5 pages)
04/30/08	Letter from Ned Hall, Sierrita to Joey Pace, ADEQ Work Plan Submittal, Voluntary Remediation Program (PDF files) (Part 1 Cover) (Part 2 Sierrita VRP Work Plan) (Part 5 Appendix B) (Appendix A Fig 1) (Appendix A Fig 2) (Appendix A Fig 3) (Appendix A Fig 4) (Appendix A Fig 5) (Fig 2) (Fig 3) (Fig 4) (Appendix A Cover)
04/29/08	Letter from Ned Hall, Sierrita to Joey Pace, ADEQ - Amendment to Voluntary Remediation Program Application (PDF file - 2 pages). (PDF file - 2 pages)

2007

08/15/07	Letter from Jerry Smit, ADEQ to John Brack, PDSI - Voluntary Remediation Program Application, Phelps Dodge Sierrita, Inc. (PDF file - 3 pages)
6/19/07	Letter from Chad Fretz, PDSI to Jerry Smit, ADEQ - Phelps Dodge Sierrita Voluntary Remediation Program Application (PDF file - 21 pages)