| Iron King Mine - Humboldt Smelter Superfund Site Operable Unit 1 Proposed Plan Administrative Record Town of Dewey-Humboldt, Arizona Key Documents Final Index Released: 03/08/2023 |
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| Index # | Doc Date | Title/Subject | Author/Auth. Org. | Addressee/Addr. Org. | Doc ID # | Images |
| 1 | 06/01/2012 | Removal rpt (text only), w/o apps A-F | R09: (Ecology & Environment, Inc) | R09: (Environmental Protection Agency - Region 9) | 1150141 | View Doc |
| 2 | 06/01/2012 | Removal rpt (figures, tables, & apps A-F) | R09: (Ecology & Environment, Inc) | R09: (Environmental Protection Agency - Region 9) | 1150147 | View Doc |
| 3 | 09/01/2016 | Fact Sheet: EPA issues RI & risk assessment rpts; next steps in cleanup of residential yards | R09: (Environmental Protection Agency - Region 9) | 1174531 | View Doc | |
| 4 | 03/01/2017 | Fact Sheet: Preparation underway for soils cleanup in certain residential yards | R09: (Environmental Protection Agency - Region 9) | 1174532 | View Doc | |
| 5 | 09/01/2016 | RI rpt, w/o tables, figures (except Executive Summary figures) or appendices A-O | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231338 | View Doc |
| 6 | 09/01/2016 | RI rpt (tables only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231339 | View Doc |
| 7 | 09/01/2016 | RI rpt (Figures in Section 1 only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231341 | View Doc |
| 8 | 09/01/2016 | RI rpt (Figures in Section 2 only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231342 | View Doc |
| 9 | 09/01/2016 | RI rpt (Figures in Section 3 only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231343 | View Doc |
| 10 | 09/01/2016 | RI rpt (Figures in Section 4 only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231344 | View Doc |
| 11 | 09/01/2016 | RI rpt (Figures in Section 5 only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231345 | View Doc |
| 12 | 09/01/2016 | RI rpt (Figures in Section 6 only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231346 | View Doc |
| 13 | 09/01/2016 | RI rpt (figures in Section 7 only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231347 | View Doc |
| 14 | 09/01/2016 | RI rpt (Figures in Section 8 only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231348 | View Doc |
| 15 | 09/01/2016 | RI rpt (Figures in Section 9 only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231349 | View Doc |
| 16 | 09/01/2016 | RI rpt (Figures in Section 10 only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231350 | View Doc |
| 17 | 09/01/2016 | RI rpt (Figures in Section 11 only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231351 | View Doc |
| 18 | 09/01/2016 | RI rpt (Appendix A - site photos only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231352 | View Doc |
| 19 | 09/01/2016 | RI rpt (Appendix B - 11/10/08 cultural resource & historic building survey) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231353 | View Doc |
| 20 | 09/01/2016 | RI rpt (Appendix C - Dec 2008 aerial photographic analysis only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231354 | View Doc |
| 21 | 09/01/2016 | RI rpt (Appendix D - interim removal action rpts) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231355 | View Doc |
| 22 | 09/01/2016 | RI rpt (Appendix E - Jun 2015 soil background study rpt) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231356 | View Doc |
| 23 | 09/01/2016 | RI rpt (Appendix F - Feb 2015 EPA Environmental Response Team (ERT) data gap RI rpt, text & figures only) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231357 | View Doc |
| 24 | 09/01/2016 | RI rpt (Appendix G - analytical data (description & tables G-1 through G-5)) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231358 | View Doc |
| 25 | 09/01/2016 | RI rpt (Appendix H, soil bioavailability - derivation of site-specific oral bioavailability adjustment factor for arsenic in soil) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231359 | View Doc |
| 26 | 09/01/2016 | RI rpt (Appendix I - evaluation of tailings mixing in Chaparral Gulch & tailings floodplain) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231360 | View Doc |
| 27 | 09/01/2016 | RI rpt (Appendix J - residential sampling results & yard-specific maps) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231361 | View Doc |
| 28 | 09/01/2016 | RI rpt (Appendix K - supplemental human health risk assessment (HHRA) info) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231362 | View Doc |
| 29 | 09/01/2016 | RI rpt (Appendix L - toxicological fact sheets for arsenic & lead) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231363 | View Doc |
| 30 | 09/01/2016 | RI rpt (Appendix M - supplemental Ecological Risk Assessment (ERA) info) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231364 | View Doc |
| 31 | 09/01/2016 | RI rpt (Appendix N - air monitoring data) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231365 | View Doc |
| 32 | 09/01/2016 | RI rpt (Appendix O - mine workings & Sanborn fire insurance maps) | R09: (C H 2 M Hill, Inc) | R09: (Environmental Protection Agency - Region 9) | 1231366 | View Doc |
| 33 | 09/01/2022 | Feasibility study (FS) - addressing remedial action alternatives for non-residential & potential future residential portions of site - public comment version, w/appendices A-G | R09: (Tetra Tech, Inc) | R09: (Environmental Protection Agency - Region 9) | 1247699 | View Doc |
| 34 | 06/01/2021 | Presentation: #1, A look at site (with photo tour) (Recorded presentation series) (MP4 format) | R09: (Environmental Protection Agency - Region 9) | 1247700 | View Doc | |
| 35 | 06/01/2021 | Presentation: #2, Defining the problem - Remedial Investigation (RI) (Recorded presentation series) (MP4 format) | R09: (Environmental Protection Agency - Region 9) | 1247701 | View Doc | |
| 36 | 06/01/2021 | Presentation: #3, Options for cleanup - Feasibility Study (FS) (Recorded presentation series) (MP4 format) | R09: (Environmental Protection Agency - Region 9) | 1247702 | View Doc | |
| 37 | 06/01/2021 | Presentation: #4, Interim dust control, fencing, & signs (Recorded presentation series) (MP4 format) | R09: (Environmental Protection Agency - Region 9) | 1247703 | View Doc | |
| 38 | 06/01/2021 | Presentation: #5, Remedial Investigation (RI) & cleanup (Recorded presentation series) (MP4 format) | R09: (Environmental Protection Agency - Region 9) | 1247704 | View Doc | |
| 39 | 06/01/2021 | Presentation: #6, Future reuse of Smelter property (Recorded presentation series) (MP4 format) | R09: (Environmental Protection Agency - Region 9) | 1247705 | View Doc | |
| 40 | 06/01/2021 | Presentation: #7, Health concern - natural arsenic in private drinking water wells (Recorded presentation series) (MP4 format) | R09: (Environmental Protection Agency - Region 9) | 1247706 | View Doc | |
| 41 | 04/11/2006 | Action Memo: Request for time-critical removal action at Chaparral Gulch Residential site, Dewey-Humboldt, Yavapai County, AZ, w/fax cover & confirmation to D Wallis fr M Benson 5/2/06 | R09: Allen, Harry (Environmental Protection Agency - Region 9) | R09: Meer, Daniel (Environmental Protection Agency - Region 9), R09: Guria, Peter (Environmental Protection Agency - Region 9) | 2150492 | View Doc |
| 42 | 09/25/2007 | Final removal action completion rpt - v1 of 2, w/TL to H Allen 9/27/07 & appendices A-C | R09: (Brown & Caldwell Consultants) | R09: (Ironite Products Co) | 2197008 | View Doc |
| 43 | 09/25/2007 | Removal action completion rpt, v2 of 2 (appendices D-F) | R09: (Brown & Caldwell) | R09: (Ironite Products Co) | 2218132 | View Doc |
| 44 | 07/26/2011 | Action Memo: Request for time-critical removal action at site, w/o enforcement confidential addendum | R09: Benson, Craig (Environmental Protection Agency - Region 9) | R09: Meer, Daniel (Environmental Protection Agency - Region 9) | 2240720 | View Doc |
| 45 | 09/25/2012 | Action Memo: Request for 12-month exemption to continue time-critical removal action at site | R09: Powell, Martin (Environmental Protection Agency - Region 9) | R09: Meer, Daniel (Environmental Protection Agency - Region 9) | 2244957 | View Doc |
| 46 | 08/01/2011 | Fact Sheet: Residential yard cleanup to start this Fall | R09: (Environmental Protection Agency - Region 9) | 2330057 | View Doc | |
| 47 | 09/01/2011 | Fact Sheet: Frequently asked questions | R09: (Environmental Protection Agency - Region 9) | 2330058 | View Doc | |
| 48 | 04/01/2008 | Fact Sheet: Site proposed for Superfund list | R09: (Environmental Protection Agency - Region 9) | 2343552 | View Doc | |
| 49 | 08/11/2006 | Memos (3): Polrep 1, initiation of removal action 7/24/06 (7/28/06), Polrep 2 (8/4/06), Polrep 3 (8/11/06) | R09: Allen, Harry (Environmental Protection Agency - Region 9) | R09: Meer, Daniel (Environmental Protection Agency - Region 9) | 2343561 | View Doc |
| 50 | 06/30/2008 | Memo: Final polrep for removal action (7/24/06-5/17/08) | R09: Allen, Harry (Environmental Protection Agency - Region 9) | R09: Meer, Daniel (Environmental Protection Agency - Region 9), R09: Guria, Peter (Environmental Protection Agency - Region 9) | 2343562 | View Doc |
| 51 | 08/01/2007 | Fact Sheet: ToxFAQs - Arsenic (CAS #7440-38-2) | R09: (US Dept of Health & Human Services - Agency for Toxic Substances & Disease Registry) | 2344894 | View Doc | |
| 52 | 08/01/2007 | Fact Sheet: Lead, CAS # 7439-92-1 | R09: (US Dept of Health & Human Services - Agency for Toxic Substances & Disease Registry) | 2344895 | View Doc | |
| 53 | 01/24/2017 | Action Memo: Project ceiling increase approval, funding, & exemption fr $2 million statutary limit to continue removal action at site, w/attchs B & C, w/o attch A (enforcement confidential addendum) | R09: Dhont, Jeffrey (Environmental Protection Agency - Region 9), R09: Powell, Martin (Environmental Protection Agency - Region 9) | R09: Manzanilla, Enrique (Environmental Protection Agency - Region 9) | 2380103 | View Doc |
| 54 | 04/01/2011 | Fact Sheet: Residential soil sampling completed ahead of upcoming yard cleanup | R09: (Environmental Protection Agency - Region 9) | 100002370 | View Doc | |
| 55 | 09/16/2019 | Action Memo: Request for ceiling increase approval to continue removal action at site, w/o attchs A-C | R09: Musante, Jason (Environmental Protection Agency - Region 9) | R09: Manzanilla, Enrique (Environmental Protection Agency - Region 9) | 100018364 | View Doc |
| 56 | 02/20/2018 | Presentation: Completion of cleanup action for residential soils | R09: Dhont, Jeffrey (Environmental Protection Agency - Region 9) | R09: (Town of Dewey-Humboldt, AZ - Town Council) | 100028767 | View Doc |
| 57 | 03/01/2018 | Removal action rpt, w/appendices A-D | R09: (Weston Solutions, Inc) | R09: (Environmental Protection Agency - Region 9) | 100029002 | View Doc |
| 58 | 06/30/2017 | Memo: POLREP #5, final (residential removal, period 6/20-6/30) | R09: Weden, Christopher (Environmental Protection Agency - Region 9) | R09: Meer, Daniel (Environmental Protection Agency - Region 9), R09: Manzanilla, Enrique (Environmental Protection Agency - Region 9), R09: Allen, Harry (Environmental Protection Agency - Region 9) | 100029003 | View Doc |
| 59 | 06/19/2020 | Ltr: Interim removal action rpt, w/attachments A & B | R09: Mehl, Rick (Weston Solutions, Inc) | R09: Musante, Jason (Environmental Protection Agency - Region 9) | 100031943 | View Doc |
| 60 | 02/13/2023 | Technical Memo: Residential response action supplement to FS (final), w/attchs A & B | R09: Rotter-sieren, Mitchell (Tetra Tech, Inc) | R09: Dhont, Jeffrey (Environmental Protection Agency - Region 9) | 100032036 | View Doc |
| 61 | 03/01/2023 | Fact Sheet: EPA recommends site cleanup option with 2023 proposed plan | R09: (Environmental Protection Agency - Region 9) | 100032065 | View Doc | |
| 62 | 03/01/2023 | Proposed plan for Iron King Mine – Humboldt Smelter Superfund Site | R09: (Environmental Protection Agency - Region 9) | 100032066 | View Doc | |