ZS-2019-0048, Discontinuation Agreement Regarding Groundwater Monitoring at Zion

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Discontinuation Agreement Regarding Groundwater Monitoring at Zion
ML19288A067
Person / Time
Site: Zion  File:ZionSolutions icon.png
Issue date: 10/09/2019
From: Gerard van Noordennen
ZionSolutions
To:
Document Control Desk, Office of Nuclear Material Safety and Safeguards
References
ZS-2019-0048
Download: ML19288A067 (16)
v • d • e


Text

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z10NSOLUTIONSw:-,. --------

October 9, 2019 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Zion Nuclear Power Station, Units 1 and 2

"""~'""-=-.e Facility Operating License Nos. DPR-39 and DPR-48 NRC Docket Nos. 50-295 and 50-304

Subject:

Discontinuation Agreement Regarding Groundwater Monitoring at Zion ZS-2019~0048 ZionSolutions is requesting the Nuclear Regulatory Commission (NRC) concurrence regarding the termination of the groundwater monitoring program at the Zion facility. Groundwater monitoring has been ongoing throughout the decommissioning process and is performed on a quarterly basis.

During the ZionSolutions monitoring period, only 'very low levels of tritium have been identified.

ZionSolutions is proposing that the groundwater sampling program be discontinued one quarter after the completion of all demolition activities and removal of all radwaste from the site. The last of the sacrificial soil used to demolish the Containment Buildings has been shipped offsite. Therefore, the last groundwater samples will be taken in the fourth quarter of,2019.

A summary of groundwater sample results to date is provided in Attachment 1. Tritium was not detected at a concentration greater than 200 pCi/L in the eleven samples collected during the 3rd quarter 2019 RGPP sampling round. Additionally, gamma-radionuclides, hard-to-detects (Fe-55 and Ni-63, and Sr-90 wt:;re not detected in groundwater samples collected during the 3rd quarter 2019 RGPP sampling round. The attached table summarizes the findings of the August 2019 sampling round. If any sample result anomalies occur between now and when the final samples are taken, ZionSolutions will commit to additional sampling as agreed to with the NRC.

Several verbal discussions with the NRC have taken place regarding the termination of the groundwater monitoring program and it is our understanding that there is mutual agreement regarding the proposal for termination of the program. We are requesting NRC concurrence of this proposal via written communication.

There are no regulatory commitments made in this submittal. If you should have any questions regarding this submittal, please contact me at (860) 462-9707.

Respectfully, b.PAA.4A-, 'Y7Z-_ ~

Gerard van N oordennen Vice President Regulatory Affairs - Summary of Groundwater Monitoring Sample Results cc:

John Hickman, U.S. NRC Senior Project Manager Regional Administrator, U.S. NRC, Region III Service List (Cover letter only, no Attachments) 101 Shiloh.Boulevard, Zion* IL 60099 (224) 789-4016

  • Fax: (224) 789-4008
  • www.zionsolutionscompany.com

Zion Nuclear Power Station, Unit 1 and 2 License Transfer Service List cc:

Ken Robuck President and CEO Energy Solutions 299 South Main Street, Suite 1700 Salt Lake City, UT 84111 John Sauger President and Chief Nuclear Officer ReactorD&D Energy Solutions 121 W. Trade Street, Suite 2700 Charlotte, NC 28202 Bruce Hinkley Senior VP D&D Operations Energy Solutions 121 W. Trade Street, Suite 2700 Charlotte, NC 28202 Gerard van N oordennen Senior VP Regulatory Affairs Energy Solutions 121 W. Trade Street, Suite 2700 Charlotte, NC 28202 Jerry I:Iouff General Manager ZionSolutions, LLC 2701 Deborah A venue Zion, IL 60099 Russ Workman General Counsel Energy Solutions 299 South Main Street, Suite 1700 Salt Lake City, UT 84111 Steven A. Reynolds Manager, Nuclear Facility Inspection Division of Nuclear Safety Illinois Emergency Management Agency 245 W. Roosevelt Road, Units 55 & 56 West Chicago, Illinois 60185 Kelly F. Grahn, Senior Health Physicist Illinois Emergency Management Agency Division of Nuclear Safety 245 W Roosevelt Road, Building 8, Suite 55 West Chicago, IL 60185 William P. Mazzeno Emergency Management Coordinator Lake County Emergency Management Agency 1303 N. Milwaukee Avenue Libertyville, IL 60048-1308 John E. Matthews Morgan, Lewis & Bockius LLP 1111 Pennsylvania A venue, NW Washington, DC 20004 Summary of Groundwater Monitoring Sample Results

ZionSolutions, LLC ZS-2019-0048: Attachment 1 Page 1 of 13 Summary of Groundwater Monitoring Sample Results Sample ID Sample Date Result Qua)

(pCi/1)

MW-ZN-OIS 5/26/2006 261

+

MW-ZN-01S 5/26/2006 586

+

MW-ZN-01S 6/28/2006 220

+

MW-ZN-01S 6/28/2006 186 u

MW-ZN-01S 10/26/2006 190 u

MW-ZN-01S 10/26/2006 182 u

MW-ZN-01S 10/26/2006 180 u

MW-ZN-01S 10/26/2006 185 u

MW-ZN-01S 5/22/2007 161 u

MW-ZN-01S 10/30/2007 178 u

MW-ZN-01S 4/21/2008 188 u

MW-ZN-01S 9/23/2008 168 u

MW-ZN-01S 5/4/2009 161 u

MW~ZN-01S 9/21/2009 178 u

MW-ZN-01S 4/7/2010 180 u

MW-ZN-01S 9/14/2010 181 u

MW-ZN-01S 3/24/2011 171 u

MW-ZN-01S 6/14/2011 192 u

MW-ZN-01S 9/8/2011 167 u

MW-ZN-01S 10/3/2011 178 u

MW-ZN-01S 2/14/2012 173 u

MW-ZN-01S 6/7/2012 157 u

MW-ZN-01S 9/18/2012 173 u

MW-ZN-01S 10/1/2012 197 u

MW-ZN-01S 3/11/2013 188 u

MW-ZN-01S 5/20/2013 174 u

MW-ZN-01S 9/10/2013 196 u

MW-ZN-01S 10/8/2013 182 u

MW-ZN-01S 3/10/2014 185 u

MW-ZN-01S 5/19/2014 181 u

MW-ZN-01S 9/25/2014 180 u

MW-ZN-01S 10/14/2014 162 u

MW-ZN-01S 3/11/2015 178 u

MW-ZN-01S 6/3/2015 182 u

MW-ZN-01S 8/4/2015 192 u

MW-ZN-01S 10/13/2015 179 u

MW-ZN-01S 3/9/2016 185 u

MW-ZN-01S 5/3/2016 184 u

MW-ZN-01S 8/2/2016 182 u

MW-ZN-01S 11/13/2016 194 u

Aquifer Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

ZionSolutions, LLC ZS-2019-0048: Attachment 1 Page 2 of 13 Summary of Groundwater Monitoring Sample Results Sample ID Sample Date Result Qual (pCi/1)

MW-ZN-01S 3/18/2017 188 u

MW-ZN-01S 5/6/2017 197 u

MW-ZN-01S 8/18/2017 177 u

MW-ZN-01S 11/5/2017 170 u

MW-ZN-01S 2/18/2018 193 u

MW-ZN-01S 5/4/2018 176 u

MW-ZN-01S 8/3/2018 194 u

MW-ZN-01S 12/13/2018 184 u

MW-ZN-01S 2/23/2019 193 u

MW-ZN-01S 5/10/2019 183 u

MW-ZN-01S 8/2/2019 191 u

MW-ZN-02S 5/26/2006 168 u

MW-ZN-02S 5/26/2006 173 u

MW-ZN-02S 10/26/2006 182 u

MW-ZN-02S 10/26/2006 190 u

MW-ZN-02S 5/21/2007 163 u

MW-ZN-02S 10/30/2007 185 u

MW-ZN-02S 4/21/2008 197 u

MW-ZN-02S 9/23/2008 139 u

MW-ZN-02S 5/4/2009 160 u

MW-ZN-02S 9/21/2009 173 u

MW-ZN-02S 4/7/2010 180 u

MW-ZN-02S 9/14/2010 177 u

MW-ZN-02S 3/24/2011 170 u

MW-ZN-02S 6/14/2011 175 u

MW-ZN-02S 9/8/2011 168 u

MW-ZN-02S 10/3/2011 179 u

MW-ZN-02S 2/14/2012 176 u

MW-ZN-02S 6/7/2012 161 u

MW-ZN-02S 9/18/2012 170 u

MW-ZN-02S 10/1/2012 192 u

MW-ZN-02S 3/12/2013 188 u

MW-ZN-02S.

5/20/2013 174 u

MW-ZN-02S 9/10/2013 192 u

MW-ZN-02S 10/8/2013 197 u

MW-ZN-02S 3/10/2014 179 u

MW-ZN-02S 5/19/2014 181 u

MW-ZN-02S 9/25/2014 184 u

MW-ZN-02S 10/14/2014 163 u

MW-ZN-02S 3/10/2015 179 u

Aquifer Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

ZionSolutions, LLC ZS-2019-0048: Attachment 1 Page 3 of 13 Summary of Groundwater Monitoring Sample Results Sample ID Sample Date Result Qua)

(pCi/1)

MW-ZN-02S 5/30/2015 182 u

MW-ZN-02S 8/4/2015 187 u

MW-ZN-02S 10/13/2015 180 u

MW-ZN-02S 3/9/2016 184 u

MW-ZN-02S 5/3/2016 177 u

MW-ZN-02S 8/2/2016 180 u

MW-ZN-02S 11/13/2016 196 u

MW-ZN-02S 3/24/2017 186 u

MW-ZN-02S 5/6/2017 195 u

MW-ZN-02S 8/18/2017 170 u

MW-ZN-02S 11/5/2017 183 u

MW-ZN-02S 3/11/2018 191 u

MW-ZN-02S 5/4/2018 180 u

MW-ZN-02S 8/3/2018 193 u

MW-ZN-02S 10/28/2018 196 u

MW-ZN-02S 3/1/2019 187 u

MW-ZN-02S 5/10/2019 182 u

MW-ZN-02S 8/5/2019 190 u

MW-ZN-03S 5/25/2006 174 u

MW-ZN-03S 5/25/2006 166 u

MW-ZN-03S 5/25/2006 162 u

MW-ZN-03S 10/26/2006 186 u

MW-ZN-03S 10/26/2006 183 u

MW-ZN-03S 5/21/2007 163 u

MW-ZN-03S 10/30/2007 189 u

MW-ZN-03S 4/21/2008 193 u

MW-ZN-03S 9/23/2008 140 u

MW-ZN-03S 5/4/2009 160 u

MW-ZN-03S 9/21/2009 178 u

MW-ZN-03S 4/7/2010 176 u

MW-ZN-03S 9/14/2010 177 u

MW-ZN-03S 3/24/2011 169 u

MW-ZN-03S 6/14/2011 166 u

MW-ZN-03S 9/8/2011 171 u

MW-ZN-03S 10/3/2011 181 u

MW-ZN-03S 2/14/2012 172 u

MW-ZN-03S 6/7/2012 159 u

MW-ZN-03S 9/18/2012 170 u

MW-ZN-03S 10/1/2012 193 u

MW-ZN-03S 3/12/2013 183 u

Aquifer Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

ZionSolutions, LLC ZS-2019-0048: Attachment 1 Page 4 of 13 Summary of Groundwater Monitoring Sample Results Sample ID Sample Date Result Qual (pCi/1)

MW-ZN-03S 5/20/2013 177 u

MW-ZN-03S 9/11/2013 196 u

MW-ZN-03S 10/8/2013 170 u

MW-ZN-03S 3/10/2014 180 u

MW-ZN-03S 5/19/2014 185 u

MW-ZN-03S 9/25/2014 183 u

MW-ZN-03S 10/15/2014 162 u

MW-ZN-03S 3/10/2015 176 u

MW-ZN-03S 5/30/2015 183 u

MW-ZN-03S 8/4/2015 186 u

MW-ZN-03S 10/13/2015 182 u

MW-ZN-03S 3/8/2016 183 u

MW-ZN-03S 5/3/2016 176 u

MW-ZN-03S 8/3/2016 177 u

MW-ZN-03S 11/13/2016 197 u

MW-ZN-03S 3/24/2017 192 u

MW-ZN-03S 5/6/2017 193 u

MW-ZN-03S 8/19/2017 175 u

MW-ZN-03S 11/5/2017 184 u

MW-ZN-03S 3/4/2018 189 u

MW-ZN-03S 5/5/2018 178 u

MW-ZN-03S 8/3/2018 193 u

MW-ZN-03S 10/28/2018 196 u

MW-ZN-03S 3/1/2019 191 u

MW-ZN-03S 5/10/2019 183 u

MW-ZN-03S 8/5/2019 190 u

MW-ZN-04S 5/24/2006 176 u

MW-ZN-04S 5/24/2006 170 u

MW-ZN-04S 10/26/2006 175 u

MW-ZN-04S 10/26/2006 165 u

MW-ZN-04S 5/21/2007 163 u

MW-ZN-04S 10/30/2007 186 u

MW-ZN-04S 4/21/2008 193 u

MW-ZN-04S 9/23/2008 144 u

MW-ZN-04S 5/4/2009 158 u

MW-ZN-04S 9/21/2009 178 u

MW-ZN-04S 4/7/2010 183 u

MW-ZN-04S 9/14/2010 180 u

MW-ZN-04S 3/24/2011 171 u

MW-ZN-04S 6/14/2011 164 u

Aquifer Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

ZionSolutions, LLC ZS-2019-0048: Attachment 1 Page 5 of 13 Summary of.Groundwater Monitoring Sample Results Sample ID Sample Date Result Qual (pCi/1)

MW-ZN-04S 9/8/2011 168 u

MW-ZN-04S 10/3/2011 177 u

MW-ZN-04S 2/16/2012 173 u

MW-ZN-04S 6/7/2012 159 u

MW-ZN-04S 9/18/2012 168 u

MW-ZN-04S 10/1/2012 191 u

MW-ZN-04S 3/12/2013 186 u

MW-ZN-04S 5/20/2013 175 u

MW-ZN-04S 9/16/2013 197 u

MW-ZN-04S 10/8/2013 166 u

MW-ZN-04S 3/10/2014 178 u

MW-ZN-04S 5/19/2014 185 u

MW-ZN-04S 9/25/2014 180 u

MW-ZN-04S 10/15/2014 162 u

MW-ZN-04S 3/10/2015 180 u

MW-ZN-04S 6/4/2015 183 u

MW-ZN-04S 8/4/2015 192 u

MW-ZN-04S 10/13/2015 181 u

MW-ZN-04S 3/8/2016 181 u

MW-ZN-04S 5/3/2016 178 u

MW-ZN-04S 8/3/2016 180 u

MW-ZN-04S 11/12/2016 I

200 u

MW-ZN-04S 3/24/2017 194 u

MW-ZN-04S 5/6/2017 194 u

MW-ZN-04S 8/19/2017 180 u

MW-ZN-04S 11/12/2017 186 u

MW-ZN-04S 3/4/2018 172 u

MW-ZN-04S I

5/5/2018 182 u

MW-ZN-04S 8/4/2018 194 u

MW-ZN-04S 10/27/2018 196 u

MW-ZN-04S 3/1/2Q19 186 u

MW-ZN-04S 5/10/2019 182 u

MW-ZN-04S 8/5/2019 190 u

MW-ZN-05S 5/26/2006 174 u

MW-ZN-05S 10/26/2006 169 u

MW-ZN-05S 10/26/2006 173 u

MW-ZN-05S 3/24/2011 171 u

MW-ZN-05S 6/15/2011 164 u

MW-ZN-05S 9/8/2011 170 u

MW-ZN-05S 10/4/2011 177 u

Aquifer Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

ZionSolutions, LLC ZS-2019-0048: Attachment 1 Page 6 of 13 Summary of Groundwater Monitoring Sample Results Sample ID Sample Date Result Qual (pCi/1)

MW-ZN-05S 2/15/2012 173 u

MW-ZN-05S 6/8/2012 161 u

MW-ZN-05S 9/19/2012 170 u

MW-ZN-05S 10/2/2012 193 u

MW-ZN-05S 3/14/2013 187 u

MW-ZN-05S 5/22/2013 178 u

MW-ZN-05S 9/10/2013 195 u

MW-ZN-05S 10/7/2013 168 u

MW-ZN-05S 3/13/2014 181 u

MW-ZN-05S 5/20/2014 183 u

MW-ZN-05S 9/25/2014 185 u

MW-ZN-05S 10/13/2014 167

+

MW-ZN-05S 12/3/2014 186 u

MW-ZN-05S 3/10/2015 178 u

MW-ZN-05S 6/4/2015 182 u

MW-ZN-05S 8/5/2015 190 u

MW-ZN-05S 10/14/2015 182 u

MW-ZN-05S 3/8/2016 185 u

MW-ZN-05S 5/2/2016 177 u

MW-ZN-05S 8/1/2016 177 u

MW-ZN-05S 11/11/2016 198 u

MW-ZN-05S 3/18/2017 195 u

MW-ZN-05S 5/6/2017 194 u

MW-ZN-05S 8/19/2017 174 u

MW-ZN-05S 11/4/2017 182 u

MW-ZN-05S 3/4/2018 173 u

MW-ZN-05S 5/5/2018 181 u

MW-ZN-05S 8/4/2018 193 u

MW-ZN-05S 10/27/2018 194 u-MW-ZN-05S 3/2/2019 188 u

MW-ZN-05S 5/11/2019 183 u

MW-ZN-05S 8/5/2019 193 u

MW-ZN-06S 5/25/2006 173 u

MW-ZN-06S 5/26/20p6 174 u

MW-ZN-06S 10/26/2006 179 u

MW-ZN-06S 10/26/2006 175 u

MW-ZN-06S 6/14/2011 166 u

MW-ZN-06S 9/8/2011 170 u

MW-ZN-06S 10/4/2011 178 u

MW-ZN-06S 2/15/2012 97 u

Aquifer Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

  • Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

, Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

ZionSolutions, LLC ZS-2019-0048: Attachment 1

\\

Page 7 of 13 Summary of Groundwater Monitoring Sample Results Sample ID Sample Date Result Qual (pCi/1)

MW-ZN-06S 6/8/2012 171 u

MW-ZN-06S 9/20/2012 170 u

MW-ZN-06S 10/2/2012 190 u

MW-ZN-06S 3/14/2013 189 u

MW-ZN-06S 5/21/2013 175 u

MW-ZN-06S 9/9/2013 196 u

MW-ZN-06S 10/7/2013 170 u

MW-ZN-06S 3/11/2014 179 u

MW-ZN-06S 5/21/2014 183 u

MW-ZN-06S 9/26/2014 184 u

MW-ZN-06S 10/14/2014 158 u

MW-ZN-06S 3/9/2015 177 u

MW-ZN-06S 6/4/2015 180 u

MW-ZN-06S 8/3/2015 187 u

MW-ZN-06S 10/14/2015 177 u

MW-ZN-06S 3/7/2016 183 u

MW-ZN-06S 5/4/2016 178 u

MW-ZN-06S 8/8/2016 179 u

MW-ZN-06S 11/12/2016 196 u

MW-ZN-06S 3/24/2017 194 u

MW-ZN-06S 5/14/2017 194 u

MW-ZN-06S 8/19/2017 174 u

MW-ZN-06S 11/12/2017 187 u

MW-ZN-06S 3/11/2018 173 u

MW-ZN-06S 5/5/2018 181 u

MW-ZN-06S 8/4/2018 189 u

MW-ZN-06S 10/27/2018 I

197 u

MW-ZN-06S 3/2/2019 186 u

MW-ZN-06S 5/14/2019 192 u

MW-ZN-06S 8/6/20191 189 u

MW-ZN-07S 5/24/2006 171 u

MW-ZN-07S 5/25/2006 168 u

MW-ZN-07S 10/25/2006 180 u

MW-ZN-07S 10/25/2006 177 u

MW-ZN-07S 10/25/2006 183 u

MW-ZN-07S 10/25/2006 182 u

MW-ZN-07S 6/14/2011 165 u

MW-ZN-07S 9/8/2011 167 u

MW-ZN-07S 10/4/2011 180 u

MW-ZN-07S 2/15/2012 174 u

Aquifer Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

ZionSolutions, LLC ZS-2019-0048: Attachment 1 Page 8 of 13 Summary of Groundwater Monitoring Sample Results Sample ID Sample Date Result Qual (pCi/1)

MW-ZN-07S 6/8/2012 168 u

MW-ZN-07S 9/20/2012 167 u

MW-ZN-07S 10/2/2012 195 u

MW-ZN-07S 3/14/2013.

189 u

MW-ZN-07S 5/21/2013 177 u

MW-ZN-07S 9/9/2013 193 u

MW-ZN-07S 10/7/2013 198 u

MW-ZN-07S 3/11/2014 179 u

MW-ZN-07S 5/21/2014 182 u

MW-ZN-07S 9/26/2014 182 u

MW-ZN-07S 10/14/2014 163 u

MW-ZN-07S 3/9/2015 174 u

MW-ZN-07S 6/8/2015 181 u

MW-ZN-07S 8/3/2015 186 u

MW-ZN-07S 10/12/2015 181 u

MW-ZN-07S 3/9/2016 183 u

MW-ZN-07S 5/4/2016 178 u

MW-ZN-07S 8/8/2016 185 u

MW-ZN-07S 11/13/2016 194 u

MW-ZN-07S 3/19/2017 192 u

MW-ZN-07S 5/7/2017 192 u

MW-ZN-07S 8/20/2017 175 u

MW-ZN-07S 11/12/2017 182 u

MW-ZN-07S 3/11/2018 171 u

MW-ZN-07S 5/5/2018 178 u

MW-ZN-07S 8/10/2018 194.

u MW-ZN-07S 10/27/2018 196 u

MW-ZN-07S 3/2/2019 187 u

MW-ZN-07S 5/14/2019 193 u

MW-ZN-07S 8/1/2019 190 u

MW-ZN-08S 5/24/2006 178 u

MW-ZN-08S 5/24/2006 170 u

MW-ZN-08S 10/24/2006 189 u

MW-ZN-08S 10/24/2006 182 u

MW-ZN-08S 6/15/2011 167 u

MW-ZN-08S 9/8/2011 168 u

MW-ZN-08S 10/3/2011 179 u

MW-ZN-08S 2/15/2012 171 u

MW-ZN-08S 6/8/2012 170 u

MW-ZN-08S 9/20/2012 170 u

Aquifer Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater.

Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

ZionSolutions, LLC ZS-2019-0048: Attachment 1 Page 9 of 13 Summary of Groundwater Monitoring Sample Results Sample ID Sample Date Result Qua)

(pCi/1)

MW-ZN-08S 10/2/2012 189 u

MW-ZN-08S 3/15/2013 190 u

MW-ZN-08S 5/21/2013 175 u

MW-ZN-08S 9/9/2013 195 u

MW-ZN-08S 10/7/2013 168 u

MW-ZN-08S 3/11/2014 181 u

MW-ZN-08S 5/21/2014 184 u

I MW-ZN-08S 9/26/2014 181 u

MW-ZN-08S 10/13/2014 158 u

MW-ZN-08S 3/9/2015 179 u

MW-ZN-08S 5/27/2015 187 u

MW-ZN-08S 8/3/2015 185 u

MW-ZN-08S 10/12/2015 180 u

MW-ZN-08S 3/7/2016 182 u

MW-ZN-08S 5/2/2016 175 u

MW-ZN-08S 8/2/2016 180 u

. MW-ZN-08S 11/11/2016 200 u

MW-ZN-08S 3/18/2017 194 u

MW-ZN-08S 5/14/2017 195 u

MW-ZN-08S 8/18/2017 180 u

MW-ZN-08S 11/4/2017 183 u

MW-ZN-08S 2/18/2018 242

+

MW-ZN-08S 2/18/2018 233

+

MW-ZN-08S 2/18/2018 308

+

MW-ZN-08S 3/4/2018 262

+

MW-ZN-08S 3/4/2018 206

+

MW-ZN-08S 3/4/2018 307

+

MW-ZN-08S 4/25/2018 330

+

MW-ZN-08S 4/25/2018 416

+

MW-ZN-08S 4/25/2018 330

+

MW-ZN-08S 4/25/2018 308

+

MW-ZN-08S 4/25/2018 357

+

MW-ZN-08S 4/25/2018 416

+

MW-ZN-08S 4/25/2018 381

+

MW-ZN-08S 4/25/2018 373

+

MW-ZN-08S 8/3/2018 200 u

MW-ZN-08S 10/26/2018 208

+

MW-ZN-08S 2/23/2019 287

+

MW-ZN-08S 2/23/2019 198 u

MW-ZN-08S 2/23/2019 199 u

Aquifer Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

ZionSolutions, LLC ZS-2019-0048: Attachment 1 Page 10 of 13 Summary of Groundwater Monitoring Sample Results Sample ID Sample Date Result Qual (pCi/1)

MW-ZN-08S 5/11/2019 194 u

MW-ZN-08S 8/2/2019 192 u

MW-ZN-09S 5/26/2006 133 u

MW-ZN-09S 5/26/2006 177 u

MW-ZN-09S 10/27/2006 188 u

MW-ZN-09S 5/22/2007 159 u

MW-ZN-09S 10/30/2007, 190 u

MW-ZN-09S 4/21/2008 198 u

MW-ZN-09S 9/23/2008 141 u

MW-ZN-09S 5/4/2009 155 u

MW-ZN-09S 9/21/2009 178 u

MW-ZN-09S 4/8/2010 181 u

MW-ZN-09S 9/14/2010 177 u

MW-ZN-09S 3/24/2011 167 u

MW-ZN-09S 6/14/2011 166 u

MW-ZN-09S 9/8/2011 168 u

MW-ZN-09S 10/4/2011 178 u

MW-ZN-09S 2/16/2012 174 u*

MW-ZN-09S 6/7/2012 171 u

MW-ZN-09S 9/19/2012 170 u

MW-ZN-09S 10/3/2012 192 u

MW-ZN-09S 3/13/2013 188 u

MW-ZN-09S 5/20/2013 184 u

MW-ZN-09S 9/10/2013 198 u

MW-ZN~09S 10/9/2013 171 u

MW-ZN-09S 3/10/2014 182 u

MW-ZN-09S 5/19/2014 183 u

MW-ZN-09S 9/15/2014 184 u

MW-ZN-09S 10/15/2014 161 u

MW-ZN-09S 3/20/2015 176 u

MW-ZN-09S 5/30/2015 183 u

MW-ZN-09S 8/4/2015 189 u

MW-ZN-09S 10/12/2015 181 u

MW-ZN-09S 3/7/2016 187 u

MW-ZN-09S 5/3/2016 177 u

MW-ZN-09S 8/8/2016 178 u

MW-ZN-09S 11/11/2016 200 u

MW-ZN-09S 3/19/2017 192 u

MW-ZN-09S 5/7/2017 199 u

MW-ZN-09S 8/18~2017 Removed Aquifer Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

ZionSolutions, LLC ZS-2019-0048: Attachment 1 Page 11 of 13

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Summary of Groundwater Monitoring Sample Results Sample ID Sample Date Result Qual (pCi/1)

MW-ZN-IOS 7/28/2006 178 u

MW-ZN-10S 7/28/2006 183 u

MW-ZN-IOS 7/28/2006 183 u

MW-ZN-IOS 10/27/2006 190 u

MW~ZN-IOS 10/27/2006 182 u

MW-ZN-IOS 5/22/2007 158 u

MW-ZN-10S I0/30/2007 185 u

MW-ZN-IOS 4/21/2008 195 u

MW-ZN-10S 9/23/2008 137 u

MW-ZN-IOS 5/4/2009 157 u

MW-ZN-IOS 9/21/2009 180 u

MW-ZN-IOS 4/8/2010 177 u

MW-ZN-10S 9/14/2010 179 u

MW-ZN-IOS 3/24/2011 174 u

MW-ZN-10S 6/14/2011 166 u

MW-ZN-IOS 9/8/2011 200 u

MW-ZN-IOS 10/4/2011 185 u

MW-ZN-IOS 2/16/2012 175 u

MW-ZN-IOS 6/7/2012 170 u

MW-ZN-IOS 9/19/2012 194 u

MW-ZN-IOS I0/1/2012 187 u

MW-ZN-IOS 3/12/2013 188 u

MW-ZN-10S 5/20/2013 182 u

MW-ZN-10S 9/I0/2013 193 u

MW-ZN-10S 10/8/2013 170 u

MW-ZN-IOS 3/10/2014 177 u

MW-ZN-IOS 5/20/2014 182 u

MW-ZN-10S 9/25/2014 182 u

MW-ZN-10S I0/15/2014 161 u

MW-ZN-10S 3/20/2015 177 u

MW-ZN-IOS 5/27/2015 186 u

MW-ZN-IOS 8/3/2015 192 u

MW-ZN-10S I0/12/2015 182 u

MW-ZN-IOS 3/8/2016 184 u

MW-ZN-IOS 5/3/2016 179 u

MW-ZN-IOS 8/1/2016 181 u

MW-ZN-IOS 11/12/2016 197 u

MW-ZN-IOS 3/19/2017 195 u

MW-ZN-IOS 5/7/2017 190 u

MW-ZN-IOS 8/18/2017 174 u

Aquifer Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

ZionSolutions, LLC ZS-2019-0048: Attachment 1 Page 12 of 13 Summary of Groundwater Monitoring Sample Results Sample ID Sample Date Result Qual (pCi/1)

MW-ZN-10S 11/5/2017 183 u

MW-ZN-10S 2/18/2018 172 u

MW-ZN-10S 5/4/2018 181 u

MW-ZN-10S 8/4/2018 199 u

MW-ZN-10S 10/28/2018 199 u

MW-ZN-10S 3/2/2019 190 u

MW-ZN-10S 5/11/2019 192 u

MW-ZN-10S

  • 8/2/2019 189 u

MW-ZN-11S 7/28/2006 182 u

MW-ZN-11S 7/28/2006 179 u

MW-ZN-11S 10/24/2006 192 u

MW-ZN-11S 10/24/2006 187 u

MW-ZN-11S 5/21/2007 155 u

MW-ZN-11S 10/30/2007 189 u

MW-ZN-11S 4/21/2008 192 u

MW-ZN-11S 9/23/2008 143 u

MW-ZN-11S 5/4/2009 154 u

MW-ZN-11S 9/21/2009 180 u

MW-ZN-11S 4/8/2010 180 u

MW-ZN-11S 9/14/2010 177 u

MW-ZN-11S 3/25/2011 173 u

MW-ZN-11S 6/15/2011 166 u

MW-ZN-11S 9/8/2011 198 u

MW-ZN-11S 10/3/2011 160 u

MW-ZN-11S 2/15/2012 182 u

MW-ZN-11S 6/8/2012 170 u

MW-ZN-11S 9/19/2012 173 u

MW-ZN-11S 10/2/2012 191 u

MW-ZN-11S 3/14/2013 185 u

MW-ZN-11S 5/21/2013 180 u

MW-ZN-11S 9/9/2013 195 u

MW-ZN-11S 10/7/2013 167 u

MW-ZN-11S 3/11/2014 181 u

MW-ZN-11S 5/21/2014 183 u

MW-ZN-11S 9/26/2014 184 u

MW-ZN-11S 10/13/2014 159 u

MW-ZN-11S 3/9/2015 180 u

MW-ZN-1 lS 5/27/2015 181 u

MW-ZN-11S 8/3/2015 189 u

MW-ZN-11S 10/12/2015 182 u

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Aquifer Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

ZionSolutions, LLC ZS-2019-0048: Attachment 1 Page 13 of 13 Summary of Groundwater Monitoring Sample Results Sample ID Sample Date Result (pCi/1)

MW-ZN-11S 3/7/2016 178 MW-ZN-11S 5/2/2016 179 MW-ZN-1 lS 8/1/2016 180 MW-ZN-11S 11/11/2016 198 MW-ZN-11S 3/18/2017 193 MW-ZN-1 lS 5/14/2017 189 MW-ZN-11S 8/18/2017 177 MW-ZN-11S 11/4/2017 188 MW-ZN-11S 2/18/2018 175 MW-ZN-11S 5/4/2018 181 MW-ZN-1 lS 8/3/2018 194 MW-ZN-11S 10/26/2018 195 MW-ZN-11S 2/23/2019 193 MW-ZN-11S 5/11/2019 195 MW-ZN-11S 8/2/2019 189 Notes:

U - Tritium not detected above the laboratory detection limit.

+ - Tritium detected above the laboratory detection limit.

Qual u

u u

u u

u u

u u

u u

u u

u u

Aquifer Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

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