FOIAUSEPA2013B_pd_001PolyMet MPCA tailings basin impact criteria permittability memo
June 20, 2011
FOIAUSEPA2013B_pd_002NorthMet February 6, 2012 seive list meeting attendees list
FOIAUSEPA2013B_pd_003NorthMet February 6 seive list meeting notes
February 10, 2012
FOIAUSEPA2013B_pd_004Correspondence from Margot Monson of St. Paul, Minnesota to the US Environmental Protection Agency. February 19, 2012. Correspondence relates to concerns over the environmental impact of the PolyMet project.
FOIAUSEPA2013B_pd_005Letter from Nancy Schuldt, Water Projects Coordinator for the Fon du Lac Environmental Program to Tamara Cameron of the U.S. Army Corps of Engineers.
Letter relates to questions posed by the U.S. Army Corps in relation to Fon du Lac water quality standards, and how they may interact with the NorthMet project.
FOIAUSEPA2013B_pd_006Letter from Darrell Spenser of the Backcountry Hunters and Anglers to Senators Amy Klobuchar and Al Franken. March 26, 2012.
FOIAUSEPA2013B_pd_007Water Analytical Data Summary, Polymet mining company. Table 1
FOIAUSEPA2013B_pd_008NortMet Project tribal sieve list meeting notes. March 29, 2012.
FOIAUSEPA2013B_pd_009“Water used for production of wild rice – Partridge and Embarrass Rivers.” May 8, 2012. Preliminary revised draft for tribal technical staff feedback. Minnesota Pollution Control Agency. Document reviews waters that would be affected by PolyMet and Mesabi Nugget activities.
FOIAUSEPA2013B_pd_010Memo from Ann Foss of Minnesota Pollution Control Agency to Bill Johnson of Minnesota DNR. June 20, 2011. Memo relates to MPCA staff recommendation on impact criteria related to the permittability of the proposed PolyMet tailings basin.
FOIAUSEPA2013B_pd_011PolyMet NorthMet Project sieve list meeting. May 23, 2012. Proposed cooperating agencies mercury issues session.
FOIAUSEPA2013B_pd_012Barr Engineering technical memorandum regarding “updates to the mine site MODFLOW model calibration and predictive simulations.” May 25, 2012.
FOIAUSEPA2013B_pd_013Water Resources/Groundwater Impacts Assessment Planning Summary Memo. NorthMet Project EIS. June 30, 2011.
FOIAUSEPA2013B_pd_014Draft revised NorthMet SDEIS water resources impact criteria. September 20, 2011.
FOIAUSEPA2013B_pd_015NorthMet draft Gantt chart version 3.0. June 14, 2012.
FOIAUSEPA2013B_pd_016Meeting agenda for PolyMet EIS Mercury issues meeting involving co-lead agencies and others. July 10, 2012.
FOIAUSEPA2013B_pd_017PolyMet water management plan for NorthMet project. Version 1 pgs. 21-24. November 30, 2011.
FOIAUSEPA2013B_pd_018PolyMet water management plan for NorthMet project. Version 1 pgs. 50-54. November 30, 2011.
FOIAUSEPA2013B_pd_019PolyMet response on Hg from overburden. August 3, 2012.
FOIAUSEPA2013B_pd_020Co-lead agency July 2012 monthly mining report. PolyMet mine. Air permit, water permit.
FOIAUSEPA2013B_pd_021NorthMet project – draft document for PSDEIS. Chapter 5. Aquatic species outstanding data and information gaps. July 13, 2012.
FOIAUSEPA2013B_pd_022NorthMet project – draft document for PSDEIS. Chapter 5. Geotechnical stability outstanding data and information gaps. June 29, 2012.
FOIAUSEPA2013B_pd_023NorthMet project – draft document for PSDEIS. Chapter 5. Water resources. July 13, 2012.
FOIAUSEPA2013B_pd_024NorthMet project – draft document for PSDEIS. Chapter 5. Wilderness and special designation areas outstanding data and information gaps. June 29, 2012.
FOIAUSEPA2013B_pd_025NorthMet PSDEIS draft chapter 5 aquatic comments from co-lead agencies. August 3, 2012.
FOIAUSEPA2013B_pd_026NorthMet PSDEIS draft chapter 5 geotech comments from co-lead agencies. August 3, 2012.
FOIAUSEPA2013B_pd_027NorthMet PSDEIS draft chapter 5 water comments from co-lead agencies. August 3, 2012.
FOIAUSEPA2013B_pd_028NorthMet PSDEIS draft chapter 5 wilderness comments from co-lead agencies. August 3, 2012.
FOIAUSEPA2013B_pd_029Conditions for discontinuing monthly sampling of sulfurial groundwater at the NorthMet mine. Draft document.
FOIAUSEPA2013B_pd_030E-mail correspondence relating to a Minnesota Pollution Control Agency designation relating to NorthMet’s potential impact on the production of wild rice in the Embarrass River.
FOIAUSEPA2013B_pd_031EPA correspondence about data regarding groundwater movements in the PolyMet area.
FOIAUSEPA2013B_pd_032EPA correspondence about PolyMet water sampling of wetland areas running behind schedule, and the possible negative impact on the EPA’s review of the project.
FOIAUSEPA2013B_pd_033Copy of external correspondence relating to “sensitivity analysis.” EPA correspondence relating to EPA’s dissatisfaction with the decision by co-lead agencies to not conduct sensitivity analysis of groundwater modeling; and the decision by co-lead agencies not to inform EPA of that decision.
FOIAUSEPA2013B_pd_034Correspondence between Paula Macabee and EPA regarding concerns over financial assurances related to the proposed PolyMet project.
FOIAUSEPA2013B_pd_035PolyMet to EPA correspondence regarding PolyMet water modeling and groundwater review.
Correspondence notes that progress was “slower than we would have liked.” Correspondence also notes a retraction issued by the Star Tribune regarding EPA’s oversight of the project. PolyMet official notes the support of Congressman Chip Cravaak for the project.
FOIAUSEPA2013B_pd_036EPA correspondence relating to questions about the accuracy of PolyMet sponsored study on wild rice/water quality.
FOIAUSEPA2013B_pd_037Schedule of milestones for NorthMet project.
FOIAUSEPA2013B_pd_038E-mail from Bill Johnson of MN DNR to a variety of EPA and MPCA recipients. E-mail relates to questions raised about mercury generation. Bill Johnson notes that the co-lead agencies will seek clarification from PolyMet about the issue.
FOIAUSEPA2013B_pd_039E-mail correspondence regarding MPCA recommendation on waters used for wild rice production. In correspondence, MPCA notes that PolyMet wants to submit feedback on the standards.
FOIAUSEPA2013B_pd_040EPA e-mail correspondence about PolyMet water filtration test, noting that the pilot appears to have been successful.
FOIAUSEPA2013B_pd_041E-mail correspondence between Christine Wagener of EPA and other EPA staff. E-mail references a PolyMet water treatment pilot project that treats water with elevated levels of sulfate. Christine Wagener notes that PolyMet is “serious about moving forward” but also notes that “groundwater will be the bigger problem” for PolyMet since “we just won’t see the consequences for years to come.”
FOIAUSEPA2013B_pd_042E-mail correspondence related to co-lead agency review of the mitigation and control features of the NorthMet project, in preparation for finishing the SDEIS.
FOIAUSEPA2013B_pd_043E-mail correspondence betweem MPCA to EPA staff regarding meeting on PolyMet.
FOIAUSEPA2013B_pd_044PolyMet press release on water quality treatment pilot forwarded among EPA staff.
FOIAUSEPA2013B_pd_04Press release on PolyMet 3rd quarter 2013 financials circulated within EPA.
FOIAUSEPA2013B_pd_046E-mail discussions between EPA staff relating to concerns raised by Margaret Watkins about the possible existence of asbestos-like fibers in Duluth Complex rock that would be mined by PolyMet.
FOIAUSEPA2013B_pd_047E-mail correspondence between co-lead agencies regarding water quality impacts from NorthMet.
FOIAUSEPA2013B_pd_048EPA e-mail correspondence regarding underground mining alternative assessment for the NothMet mining project.