'~"'""''" ''' ... ~:.:"' ..
HOMESTAKE ... .. . . . . V-..:J·"'>k .... .. ~v.
"' ..... .. .
Homestake 1vl~iµg Cbriipany: of C:alifomia
· · · · David'W. Pierce . . . · ·: : :Grants Project · · : : : : ; j:: :C.losure Managei; · '.::
·::.·.3.0:July 2019
Document :c0nlrol Desk ... U.:S·. Nuclear:ReglJlatow Conimfssion . : · Washington, DC 2055~0001 ,. ,., .... ,. .. ''' ......
Ron Linton::· .. . . . . . . . : •.. Projec;t Maiiager/Hydrogeologist .
: U;s• .. NRC . . .. . : Ottibe of Nuc!~ar Materiai Safety· 11r:id S~fEi,gJards : ·.:. · .
MS T-5A 10, ft545 Rockville Pike:.· . : : · Rqc~Ville, MD 20852 · . · · . . . . . . .
.. . . .. . .. RE: Supplem.~tital Corrected. Information to the Homestake Mining Company of C~U.{ornia
· · · · · · - Grants Reclamation Project - Semi-Annual Environmental: Monitoring Report for ..... : :period July~De.cE:jn,ber 201 a, Dopk"~ :No. 04o-oseo~~ 1:.i.cense No. suA.-1471
Dear Mr: Linton: . . . .
: Pl:ease find attached coiiected data forthe:r.eferenced report above. The analytical data in : Attaciiin~nt 1: ·(High Volu'rr1E) ·Air S<1mpling Results) W~S rep6rted ~sing: the Vvrohg units for ..... Uranium, c:ausing the results to below by a fact0r: ofl,000. A cor:rected•copy of the analytical rep()rt·is"attachedwith :the correct Linits~:.P.l~aiie replace the a:nalytical report frorrlthe. . ' . ref~ret1cE,d?. sub111itteo re·port ~ith th~: or:i.E;3 :atta~hE:ld. to thi~ l~ttei\ . · · · · ·
.. MMC _a,pologizes fqr the inconvenlen9e ... If you: haver any_ qLJestiqris.concerning this letter: ohhE? attached data tables., please contacf me via e-mail at dpierce@'homestakemir:iin:gc"oca.com or· via teiephone.at.505.238'.9701. ',' .. ,,, . ,, ... . .. . '' . : .. ::: .
·: R~spectfully, .· .... . ... . .. R .... . ·; ?'<: ,;,;I} ( 1 -,;,.,::o_,,;•:: ,·:::; ~~:~~,:~"'-
• David W. Pierce . c(cisurii Manager . . . . ....
Homestake; Mining CqmpaiJ.y'ofCalifqrnia Office: 505.~87:4456.X:~4 J Cell: 505.238:9701 ·
.......
·. Copy.To:
M. McCar.thy, Si;trrlck, Salt Lake ¢ityJ)t~h ·(electronic copy):., .. G. George, Davis;Wright and Tremaine;:san Francisco, California (electronic copy) • • ·
. : : · c: Burton;. Barrick, Henderson, Nevada ( electronic copy) . . . . . . . . . . . . . .. : : RJNtiic:ker, Environnien@ R~1;1.toration Group, A!l:>aqµ~rque, New ME:lxiQo :(~!Elctronic copy) :
. attachment
Homestake Miping: Qompimy F'.O, a11x:98; :Grants. NM 87020 · Tele: (505) 287:-445!1. : ·: : .. Fax: (505) 287:-.928~:::
. ... ..
.. ...
. • Trust our Peo(lle. trusi: our Data ... Bilii~~s)iT 800.735.4489 •· Casper; WY 888.235.0.515 . Gillette, WY Ba&.686;7175 • Helena, MT 87,7.412.D)h:
May 17; 2019:::
Homestake Mining Co
Hwy 605 · ....• Grants, NM 87020 .
W\'iW'.ener~yJi,!icom
ANALYTICAL SUMMARY REPORT ., .. , ,. . . - ' ...
Work Order: C19010089 · Quote ID: C5150 . ·
. Project Name: Grants
.. :Energy Laboratories; Inc: Casper WY received the following 8 samples for Hqmestake Mining to on 1/4/2019 for analysi's. ' . . ' . . . - .
Lab ID • · • Client Sample ID
·: .C19010089-001 : HMC~f:
C1901Q08!:>-Q02. HMC-1A ..
. . C1.9010089-003 HMC~2 .
'c:19010089-004 • 1-iMC:>3
... C1.90.10089~005 . HMC-4
C19010089:oo7 HMC-6
. : C19010089-008 HMC~?::
Date . Receive Date Matrix . Test ·
01/04119
: : . 01/04/19
01/04/19:·
Filter : Metals by ICP/ICPMS; Total . Composite of two or·more·samples ·. ·
Client Provided Field Parameters · Metals, T6fa1:· · · Djgestion, Total M~tal.s Digestion, Total Metals; Radioc;tiemistfY . . .. Radiochemistry Air Filter Compliance::
· C1:1!culatioris . . . :: RAD-AIR, Routine Radiological
Repcirts · · · · · ·
RAD Alternate:Unit Reporting.Air . Filters · • · · · · · · · · · ·
Radium 226 Thorium, hmtopic ·
• Filter Same As Abo1.1e .
Filter · .Same As Above
01/04/19: Filter · Saine As Above
· · • . 01/04/19 ···Filter Same As Above. . '". ""
o;1 /Q4/19 • Filter . Same As Above
The analyses presented in this report were performed by Er'.lergy Laboratories, Inc., 2393 Salt Creek Hwy:, Casper, · ·· WY 82601, µnless otherwise noted .. Any exceptions or pr9blems with the analyses are: noted in thelab9rafory
· · Analytical Report, the QA/QC Summary Rep'6it,:or the Case Narrative.· Any issues encountered• during sample: ·: re:~ipt are documente~ (n=the Work Order: Rioef pt Checklist. . . . . . .. .. .
... ..... .
.. The results• as reported relate only to the item(s) submitted for testing. This report shall be used or copied· only :in its .. : entirety. Energy Laboratories, Inc. is not responsible for the consequences arising from the use of a partial report. :
If you have any questions regarding these test results.,· please_ contact your Project Manager .
Report Approved By:
. Digitally sigi1ed by · Tracey Archer
Date: 2019:05..17 12:48:07-06:00·
Page 1 of24
: Trust our Peopl~: TrJsto~i o.ita. . . ~~:enei-9¥.lab.com ·
... ,. · , Jlilliniis; ~T.8DD.7_35.,4B9·•:Casper;wv.eea.2as.~s1s · El\ERGY.
1:.Al!!OR,I\TOR11".!$ Gillette, VfY 8_~6.686.1175 • Helena, MT_877;472;07t 1
. : CU.ENT: . Proji:ict:. .
Work C>rder:
:Homestake Mining co: . Grants·
C19010089
... ' . ·: :REVISED/SUPPLEMENTAL REPORT
'Revised 0511112019 · .. . . ....
Revise.d. Date: 05/17 /1 !;I ... ... '
· Report 'o.ate: __ 02/_11/19 .
. :.:CASE NARRATIVE
'' ., ... Per reqi.Je$t:ftoni Chuck Farr oh 05114i2019, .check .Liianitirtl peir filter [l9SU1ts on' ~a:nipiesHMC,1A {002A)( HMC-2 (003A).: .. : .
HMC;>3 (004A). Hl\tlC.-4 (b05A), HMC-5 (Q06A) a11d HMC-6 (0071:\). : .. : · . . . · · ·-· .... ,
At re-r~view. qffhe data it was:uncQV.E!fed that there was ~n fosue present in flie :ur!:inh.im data reported fodhe above samples. The volume listed on the coc was used iri :the:pr.e{>aration batch fo(the: samples in Liters, r'ather:than being
. ·CQnvertei:t to L from mt as it :is recorded· on the ·coc. Ourlng a departmental revfew of the ractiqchemistiy data the p~ep • : ·: :volume was corrected to :Liters (based on• historical submittals). • However, data reported bY: tHe Metals team prior to that . · . correction refleeted the original volumes (ml); ·causing the UraAium results to be low by a·fa:6tor of 1,000. The Vanadium
data w~s riot affected by this iss~e. : · · 1:. . ·.. . . . : . . . . . . . . . .
. • Tf:ie.corrected Ura hi um an!:!lysis results wm be reported. We apologize fpr any inconve1\ier1cejthis may have ca.used.: ·•The report_ has been.revised•an_d_ replaces any:previousltissued report•in its ~ntkety .. ·
.. ... . ....
.. .. .
Page2 ot2:4
------------'-'~'='=£!!:"::~_.'= __ ·_:;=~,,., N •• Trust our People. Trusfour Data: ~ l'IVIW:enermilah.com ·
E~RGY LABORArrORlES -
iiiliings; MT 800.7_35A_489 • Casper, WY 888;235:0515 . Gillette, WY 866.686_.7175 • Helena, MU77:472'.0711
LABQRA TORY ANALYTICAL REPORT• ·· - · - ·· · · · ·•_R __ e_v_i_s_e_ d Date: 05/1_7/1_9_ .. ·. :
Client: . H6mestake Mining Co: .. -· · Prepared by Casper, WY Bra_nch
Report Date: 02/11/19
P · t· Grints .roJeC :
Lab ID: C19010089~001
. ClientSari:ipI~ID: HMC-1 ...
Analys~s.:
_: METALS, TOTAL: Vanadium
METALS, IN AIR • -•. . : . _Uranium
Uranium, Activity
• RADIONUCLIDE$ - IN AlR · • • · • • · Radium 226
Radium 226 precision (±)
Radium 226 MDC
· Thorium 230
: . Thorium 230. precision.(±)
Thorium 230 MDC
Result : .Unit~ ·:
· <0.10 · · · mg/filter.
<1:5f-10 mg/L
<1.0E-16 -uCi/mL· -
1.6E_:r7 uCi/mL
6.9E-18 uCi/111L > 6_8E-18 LiCi/rtil :
3.4E-18 - uCi/mL
-- 1 AE-18 • uCi/mL
1.6E-18 uCi/mL. · ·
. : RADIONUCLIDES - IN AIR - PER FILTER · · · · Radium .226 2.3 · · · pCi/Filter .
Radium 2:26 precision (±)
Radium 226 MDC.
•::._Thorium 230
Thorium 230-precisiori (±Y Thorium 23.0.MDC
· · · ·. Uraniu·m, Activity
1.0 pCi/_F.ilter : : .
1.0 . . pCi/F1lter
Q.52.: .• pCi/Filter
· 0.22 · pCi/Filter .
0.24 pCi/Filter: •: .
· 6.9 · : : pCi/Filter
RADIOCHEMISTRYAiR FILTER COMPLIANCE Radium 226, % of EFF
. : .. : Radium 226, EFFWeek
: · •: _Radium 226, LLD :
Thorium :230, % of EFF
Ttiodurn 230; EFF Year
· · Thorium 230, ~LO · : : · .Uranium Natural, % .ofEFF
Uranium Natural, EFF Year· ' . . . . . .
Uranium Natural, LLD
2.0E-03 % -: 9.0E-.13 . _ uCi/mL
: 1.0E-16 : uCi/mL
1.0E-02 % 3.0E-14 uCi/mL:
1.i:iE~16 : uCi/mL
.. 5.QE-02 %
9.0E-14 LiCi/mL ·
1.0E-16 uCi/mL
.. CLiENT PROVIDED FiELb PARAMETERS : Air Filtering Volume 1.51 E+8 l:
Report : · R_L~ Analyte ·reporting limit. .. · Definitions: : : QCL - Quality control Hn,if:.:
. . MDC~: Minim_urn detectabie conyentratiori. ·.
Qual -MCL/
Collection D~te: Not Provided
DateReceived: 01/04/19 . ·
Matrix: Filter
• RL · Q('.L Method: . Analysis Date/ :Sy .
0.10
1.5E-10
1.0E-16
.0.20
SW6020. 02/07/19 16:57 / jcg ·
S\/\166:zo 02/05/1 ~ 15:1_ o I jcg
SW6020 • · · : 02/05/19 15: 10 /jcg
: .. E903;0:
E903.0
E903.0
E908:0
E9Ci8:o.
E908.0
RADCALC.
01 i22h 9_ 1f31 / nsr
.. 01/22/19 17:31 (nsi .
: • 0:1122119 17:31 Inst ·
02/.06/19 06:50 I arh
02/06/19 06:50 / arh
- 02/06/19 06:50 i _arh ·
02/08/19 14:43 / sec.
RADCALC · · : : 02/08/19 14:43 / sec· -RADCALC · .... 02/08/19 14:43 /sec• .
.RADCALC
RADCALC
RADCALC RADCALC.
· 02(08/19 14_:43 / sec
02/08/19 14:43 /sec
: · : :02/08/19 14:43 / set ·
02/08/19 15:07 / sec· -
RADCALC .. ·•02/08/19 14:44 /sec:. • ... RADCALC 02/08/19 ·14:44 / sec
RADCALC 02/08/19 14:44 I sec
RADCALC 02/08/19 14:44 /sec
RADCALC . 02/08/1914:44isec :· -
. . . RADGALC 02i6ai19 1.4.:44 / sec
RADCALC 02/08/19 15:22 / sec
RADCALC : . ·02/08/19 14:44 /sec.. : RADCALC .. - . 02/08/19 14:44 {sec·: : .
FIELD 12/31/18 00:00 /***: .
. Mel·- Maximum contaminant level.··
ND - Not detected at the reporting limit..:: .
Page 3 of24
EI\ERG\' LABORATOR!.ES
.... Trust our People. Trust our Data'.· www.energyiab.com ..
· Toll.Free: 888;2?.5.0515 ... 307.235.0515 ° HD? :234: 1639
:•'• ···,·.· ·.· · · ·, : ... : . : . . .. HIGH VOLUME A)]{ SA,MPLING REPORT .. ·;·.. . . . ·-- .. .. . . . . . . . . . . .
· · . . CLIENT: ·Homestake Mining Co ~ Grau.ts .
':; :::· \y~ROJECT: G(~nts:: i:{: . . · 'REPORJ.DA1:E: May 17i2019: ...
: : Quarterillate Sample~ : : : · - Air Volume
Cl9010089°001 :
Fourth Quarter 2018 . ·
.. Ai.rV9lµmein:mLs · ·
Radionuclide .
··:.natu:· 23°Th
.. 226Ra .
: ·concentration µCi/Iru, .
·:5.E0 .J7:· 3E-18
2E~17
: : C.ounting · . : Precision:
µCi/mL NIA
lE-18 ·
7E-18 --
. ..... .. ..
. ... , . .. ..
i;.L.D.+ Effluent Ciinc'.* l\1DC µCi/mL --
µCiimL yCi/mL·
•::NIA: lE-16: : · •9E-14
2E-18 : !E~l6 3E-14 ..
7.E~l.8 : 1E:}6 9Ecl3.
. . . . . . . . . . . .
% Effluent Concentration
· 5E~02 :·
lE-02
~E-03 1---------'-------'-------'------.J'------..__ ____ -.J'-------' .. l.51E+l 1
+LLD's are from NRC Reg. Guide 4J4.: · ·
· · · · -· *Effluent Concentration from the. NEW 10 CFR Part 20 -Appendix B -· Table 2 ·
: : : Y·earfor Natural Uranium:: .. ... . .... . ..
Year forThorium~230
Week for Radium-'226
. Da:y:for Lead-210
Page4 6f2~
Trust our.People. Trusfour Data, viww:enerrzylah.com
Biliings; MTB00.7_35;4489 o Casper, Vrf:888:235~~515 Gillette, WY 866:.686}175 • Helena, Ml:877:472'.0711
J,,A13QMTORY ANAL t'n<;:AL REPORT .. • ••. Ptepared by Caspet, WY Branch llevi_sed Date: 05/17/.19 :
Clienti.. . Hom:estake Mining Co. P · t· Gran· t·s . roJec : ·
Lab ID: CI9010089~002.
ClienfSaniple ID: HMC-1.A
-MCL/
Report Date:· Oi/11119
Collection D~te: Not Provided
Date Received: 01/04/19 . • ·
· Matrix: Filter·
Analyses: Result : UQit~ Qual . RL · Q(:::i:., Method · : • Analysis Date/ By .•
·: METALS, TOTAL:• Vanadium.
· · MEJALS, IN AIR : Uranium
·uranium; Activity·
.RADIONUCLIDE~:.: IN AIR: . . · ··.Radium 226
R.adium 226 precision (±)
Radilim 226 MDC
Thorium 230
. Th_orium 230 precision (±)
Thorium 230·MDC
· <0.10 · mg/filter -
<1.5_E:.10 . mg/L
.<1.0E~16. uCi/rrtL
· 3:2E-17 uCi/mL
1.0E-17 uCi/mL:
6.8E-18 LiCi/rill : .
4.4E~18 · uCi/mL
rnE-18 uCi/mL
2.6E-18 uCi/rnL · ·
. : -RADIONUCLIDES - IN AIR ~ PER FILTER · · · · Radium 226 . ·4:6 · pCi/Filter .
Radiu.m 226. precision (±)
. Radium 226 M_DC .
: .. Thorium 230 • : .. Thorium 230 precision (±f
Thorium 230.MDC
. Uranium; Acfivity · ·
1.5 pCi/Filter . 1.0 . . . pCi/Fflter · ·
0.64 .• :. pCi/Filter
0.28
0.38 . . . 4.7.
pCi/Filter -
pCi/FilteJ :
: pCi/Filter
RA.DIOCHEMISTRY AiR FILTER COMPLIANCE Radium 226,:% of EFF 4.0E-03 % :
. • · Radium 226, EFF Week· · 9:oE-.13 . uCi/mL
· • •: Radium 226, LLD: : 1;0E~16 uCi/mL
Thorium 230; % of EFF 1.0E-02 % Thorium 230; EFF Year 3.0E-14 uCi/mL: ·
· · · Thorium 230, ~Lei : • · · {QE-16 -uCi/mL
··•Uranium Natural, % ofEFF 4:0E-.02- % Uranium Natural, EFF Year:· 9.0E-14 LiCi/mL
Uranium Natural, ~LD 1.0E-16 tiCi/riiL ·
·:d,jENT PROVIDEDFiELtfPARAMETERS :· Air Filtering Volume 1.46E+8 L
Report · · _R_l - Analyte reporting limit..
Definitions: . . qeL - Quality confrol li_n1it : •
. MDC .: Minim.urn petectable concentratio.n :
0.10
.. HiE-10
1.0E-16
·.0.20
· sw6020 .·
s\i\/60:zo
SW6020 ·
E_903:o:
E903.0
E903.0
E908:0 ·
·: . E9o8:o•
E908.0
. · RADCALC.
RADCALC
RADCALC ·
~DCALC
AADCALC
RADCALC RADCALC.
RADCALC
RADCALC
RADCALC
RADCALC
RADCALC
RADQALC
RADGALC
RADCALC
RADCALC
FIELD
02i05/1 ~ 15:29 I jcg
:OZ/05/19 15:29 /'jcg ·
01J22h9. 17:31 / nsr
..... 01/22/19 17:31 (nsc. :
· 01/22/19 17:31 / nsr
02/06/19 06:50 / arh
02/06/19 06:50 / arh
. 02/06/19 06:50 i arh.
.02/08/19 14:43 / sec
· . 02/08/19 14:43 / sec ,,... . . 02/08/191_4:43 /sec.
02/08/1914:43/sec
02/08/19 14:43 /sec
.:::02/08/1914:43 /sec·
05/16/1914:26 /sec.
· 02/08/19 14:44 rsec ·
02/08/19 14:44 / sec
02/08/19 14:44 / sec
: . 02/08/19 14:44 isec . . . '
•02/08/1914:44 isec .
02ioah Q 14.:44 / sec
05hEV1914:31 / sec
: . : 05/16/1914:31 /sec.
. · : 05/16/1914:31 /sec .
. : :12/31/18 00:00 /***
. MCL - Maximum contaminant level. ·
ND - Not deitected_ at the reporting lirn_it. •
Pages of 2~
m.r EI\E.R6Y --~·""'--· ..... ·-------L.ASORA"!Of'llE;,-
... ... ,
·.' ,> ":
... Trust our People. Trust our Data:· VvVIW.etieigyiab.com ..
. :.::• ..
.. , JLIENTi •#omestake Minfugto ~-G~~n~ ..... :.: :::· \::)llO;JECT: _(fr~n-~i\ t(: :: ::. :.:: ... · · -RE~ORJ,'llA'{F;:)\fay 17)2019': ... · ,. ·
: . :Quarter/Date Sainplecl : . : ·Air Volume
C 19010089°002 :
Fourth Quarter 2018 :
. _Air Volume in mLs
Radionuclide .
·: _· '::"ato::: 23°Th
.. _226Ra
. ''.
. ••'. .>
: (;_oncentration µCi/mL·:·
4E-18
·· Toll Free: 888.2~_5.0515 •• 307.235.0515 o H07.234; f639 . ... · :: :; ; : 'Piii3q~_24?, Gasµ,er, WY- 82602-:0247 • 23.9?SaJt Creek Hwy:(82601) -:··~---A~ • -
. ... ... . · ..
. : Counting· · Precision:
µCi/mL NIA
2E-18: .
- IE-17 ·
. .. ···:.
l\'.l])C 11 Ci/riiL
.. NIA
3E-18
... 7E~18
. - .. ·~· ...... 1, . .. ':····· ...
•.' ..
... ·-· ..... . . ..... _-... · ' .. . .,. ,'
i;.I;,,D.+ Effluent Cone): % Effluent µCi/mL ... yCi!mL Concentration
IE-16 : :~E-14 · 4Es02 :·
: lE-16 3E-14 .. IE-02
: 1EcJ6 .. ?Eci3 : . 4E;-Q3 . . l.46E+ 11 t----,-----,--:-:--c---'--------,-..__----.__--,-,...,....---''-----,----'-,-------'---,------,--,----'
+LLD's are from t{RC Reg. Guide { 14 : · ·
... *Effluent Concentration from the_ NEW iO CFR.:Part 20- Appendix ii _:.table 2 ..
Year for Natural Uranium:· : Year.for.Thorium-230.
Week for Radiuni~226
· -Day for Lead-210
Page6 of2~
ENERGY LABORATOR(E:S
~~· · Trustour.People. Tru~t our Data. · ~ viww:enl!!gyl~:b.com ·
~~~====='--..-C Biliings; MT800.735A_489·· Casper, WY888;235~0515 · Gillette, WY 866.686.1175 • Helena, Ml877A72;0711
LABQIµTORY ANALY'TICAL REPORT • .. Prepc:1red by Caip~r.VVY Bra.nch. . . Revised Date: 05/17/19 • .
Client: . Homestake Mining:c:o;
Project:· Grants • Lab ID: Cl9010089-003· .
Client .Sanipl~ ID: HMC-2. •
Report Date: 02/11/19
....... Collection Date: Nbt Provided
Date:Received: 01/04/19 • • . . . .
Matrix.: Filter
... MCL/ Analyses .. ·· · Result : U11it~ : · Qual • RL · QC.L Method: · · .. : Analysis Date/ :Sy;••: ·
. : METALS, TOTAL:: V1:1nadium.
·· METALS·, IN AIR.· • •::. Uranium
Uranium; Activity
. RADIONUCLIDE$·~ IN AIR .
··• .. Radium 226
Radium 226 precision (±)
Radilir'n 226 MDC "' ...
· · Thorium 230
•.::: Th.oriurn 23.0.precisiori'(±)
Thorium 230 MDC
· <0'.10 mg/filter.
<1;5E>io mg/L
<1.0E-16 uCi/mL
•. i ?E-1 i · uCi/mL
9.4E-18 uCi/mL: :
6. ?E-18 uCi/mL • . .
6.5E-.18 · uCi/mL
1.2E-18 .. uCi/mL
2.3E-18 uCi/mL: · .
. • RADIONUCLIDES - IN AIR ~ PER FILTER Radium.226. 4:0 · • pCi/Filter .
1.4 pCi/Filter::. . 0.99 ... pCi/F1lter · ·
0.9? • pCi/Filter
Rc1diu.m 2~6 precision (±)
. . Radium 226 MDC ..
· · : Thorium 230
Thorium 230 precision (±)
Thorium 230.MDC
·. Uranium, Activity ·
· 0.18 · · • pCi/Filter
0.35 pCi/Filter. • . ' .... ,.
· · 4.3 · .• pCi/Filte'r
RADIOCHEMISTRYAiR FILTER COMPLIANCE Radium 226, % of EFF
· Radium 226, EFF V\/e~k • ·: • Radium 226, llD • ·
Tti6duin 230; % of EFF
Thorium 230; EFF Year
· · Thorium 230, LLD:.
: ·•:•.Uranium Natur'~I. ·0;,., of EFF
Uranium Natural, EFF Year ·
LJranii.im Natural, LLD
3.0E-03 %
.. 9.0E-.13 ·: uCi/mL
· • 1.oE.:15 uCi/mL
2.0E-02 %
3.0E-14 uCi/mL •• · ·
.. 1.CJE-.16 ·. uCi/mL
• 3.QE-02 .% 9.0E-14 uCi/mL • .
1.0E-16 LiCi/mL •..
: d..iENTPROVIDEb FiEi..b PARAMETERS ·. Air FUterin/i Volume
Report : .RL~ Analyte ·reporting limit ·
Definitions: . Q(;L - Quality control li.rriiC •. • .
1.49E+8 L
MDC·~ Minim.um detectabie c6ncentrat!o.n.:
0 .• 10 ·
1.5E-10
1.0E~16
· .0.20
SW6020 •··
Si.iv~(@ SW6020 · ·
E903:b.
E903.0
E903.0
E908'0·
·• . E908:o• E908.0
02/07/19 17:20 /jcg ·
02i05/19 15::33 / jcg
• W,/05/19 15:33 /jcg · ·
01i22h9 17:31 / nsr
01,22,19 17:31 i risr • • • 0:1 /22/19 17:31 /nsr ·
02/06/19. 06:50 I arh
02/06/19 06:50 / arh
. : . • 02/06/19 06:50 i arh . . • . ,. "
RADCALC. 02/08/19 14:43 /.sec.
RADCALC · • · • •02/08/19 14:43 {sec RADCALC . . 02/08/19 .14:43 /sec : • .
RAD.C/\LC 02/08/19 14::4:3 I sec
· RADCALC· · · ·02/08/19 14:43 (sec·
RADCALC ... :.':02/08/19 14:43 /:sec:
RADCALC. 05/16/19 14:26 / sec .
RADCALC . • 02/08/19 14:44 rset · . RADCALC 02/08/1914:44 / sec
RADCALC 02/08/19 14:44 / sec
RADCALC. · 02/08/19 14:44 isec .
RADCALC : : <02/08/19 14:44 isec • · .
. 'RAb:C;:ALC RADCALC ..
02/oaii Q 14:44 I sec
05/16/19. 14:31 / sec
RADCALC 05/16/19 14:31 /sec. •
RADCALC . · : 05/16/19 14:31 /sec ...
FIELD · 12/31/18 00:00 /.**~. · .
· MCL. -Maximum .contaminant level.
ND - Not d~teded. at the reporting limit.•·•
Page 7 of24
.... "'-'--'-------'--"'"'--'--m.r EN:RGY
!.ASORA'l'QRl!itS
Trust our P.eople. Trust our Data:-1vwy.i.erieigyiab.com -.
. ;
,. ::': -'. Toll·Fre~, 88~.235.0-~15· •: ~07.235.0515 • Fjo7 .234: f639 ::: PO si~,2~?, 9a~P.~r. Wv '!l2602"0247. • ~~-93 ~a.It _Creek- Hwy:(82600 _
...... ... ..... .
1: •• · ••. ;,.
:-~,i;: :.::--·. ·_;:• :·-- ,_. -_:. ,.-:::· 1P~-~\tdtuM~~IR~SAMPLING'~~oR1\. ·:· :,--:, :,:: .. t: ...
-·:··. ··:. ·1· ..••
-· ··-
) ·:·;.. • ".• ·s--·~ :.•••·.•, > • .- •·•,,••• • • ·::: •• ·~' ••• ~··~it.·'.. ·.::. '.':::·:·
.. • 2 .. 1;~~~(~.f ilZ~g.CO c G"':" > < •. . ; : ;11, .·.• . • • c i ......... . .. ...... , ...
,· •C •,
- •: • 'v • • ~
..
: : : : : :Q~arter/Date Sample~ : : : : : · ··AirVolume
C19010089s003·: -·
F!mrth Quarter 2018 :
_ /Jr Yol_uirteirt:mLs
Radionuclide
·:::""'u:-230Th
_ .. 226Ra _
!'. ••••• . ~ . . . . ... -·· ':. . . (·.(-· ..
--· : toncentration . ·µCi/mL:
-:3E0 17:-:· 6E-18
3E~P
. • :•.,
· C_oun~ing ·Precision
µCi/mL NIA
lE-18:
9E-18
... <• -.·· :,.••••
·' .-.. . "" ~
·•.· ',: ,::.. .
:i'.;.1;,.D.+ l\1J)C µCi/riiL --
µCiimL
·::.N/A: lE-16
2E-18 JE~16
... ?_E-1.8 :rn°1~
' : ·:~ .; . -- '~.:-··. _-, . : . --.. -
'·. ·=··
Effluent Coiic/ % Effluent · µCi/mL - Concentration
3E-14.. 2E-02
C.:: -1.49E+l 1 t-------,--~~-----~------'------..__ ____ _._ _____ _._ _____ _.
+LLD's:are:from, Nile Reg. Guide {14:: · . . . · · *Effluent Concentratio_n from the. NEW 10 CFR Part 20 -:Appendix B -·Tab1e 2
Year.for Natural Uranium:: .... . . . . . . . . .
Year for Thoriinn~230
Week for Rad_illm."226
.. na:y:for Lead-210
Page a af2~
Trust our. People. Trust our Data: · viww:ene:rw.la:b.com ·
iiiliings; MTB0~.735~4489 • Casper, WY888;235.0515 . Gillette, WY 866.686.7175 • Helena, MT 817:472iOJ11
LA}lQi.lATORY ANALYJlCAL REPORT'. .. Ptepc1red by caipet, :WY Bra_nch . liev.ised Date: 05/17 /1~ • • •
Client: . . Homestake Mining:Co : .
Project:· Grants .. . .
·: Lab ID: Cl9010089~004
ClientSample:ID: HMC-3 ::
Report Date: .02111119
. .. : .. Collection· Diite: Nbt Provided
Date:Received: 01/04/19 •· :.
Matfix: Filter
. . MC.LI Analyses .. :· Result : UJ1Jts::.. . Qual • RL · Q(:L Metho~ • · · · : ·::. Analysis Date/ :By:•.
. : METALS, TOTAL:. Vanadium
METALS, IN AIR:·· : •: • Uranium
uranium,. Ac~ivity
.. : RJ\DIONUCLIDES -~ 11',1 .AIR·: • ·: : • .Radium 226
R~diuni .226 precision (±)
Radilim 226 MDC
: · ··Thorium 230
.. · : : : Th_orium. 23_0 precision (±)
Thorium 230 MDC
· <0'.10 ··•mg/filter ..
: : 1.~E-:1 b. mg/L
1.1 E-16 uCi/rilL .
: 2.2E~f7 uCi/mL
8.1E-18 ucitml . > 6.9E-18 LlCi/iiiL •
· 5.0.E~18 · uCi/mL
. · 1.7E~18 uCi/mL
1.7E-18 uCi/mL : · .
RADIONUCLIDES - IN AIR ~ PER FILTER · Radium .226 3;2 · · · • pCi/Filter .
1.2 pCifFilter : : . R_adium 2~6 precision (±)
. . Radium 226 MDC .. . . : . . 1.0 .. pCitF11ter
· · Thorium 230
Thorium 230 precisibrl (±)
Thorium 230.MDC
· ·.· ... Uranium; Activity · ·
Q.74. pCi/Filter
· 0.25 · pCi/Filter · ·
0.24 pCi/Filtet. : ..
16:2 ·. pCi/Filter
RADIOCHEMISTRY AiR FILTER COMPLIANCE Radilim 226, % of EFF
. . . . . . . . . · Radium 226, EFFWeek ·.
···::_Radium 226, LlD : Thoriuin 230; % of EFF
Thorium 230; EFF Year
•·.:·Thorium 230, LLD:: · · · · Uranium Natural, % .ofEFF
Uranium Natural, EFF Year· . . . . . . . . . _Uranium :Natural, ~LD .
2.0E-03 %
. 9.0E-.13 uCi/mL
1.0E~16 : uCi/mL
2.0E-02 % 3.0E-14 utitmL •··
"
1.01;"16 : uCi/mL
1.2E-.01 •% 9.0E-14 liCi/mL.
1.0E-16 ucitrnL •··
··. cLiENT.PROVIDED FiELbPARAMETERs·· Air Fil_terjn~ \/olume 1.47E+8 l.
Report : Rl~ Analyte reporUng limit . Definitions: : · · ·a·cL Q 1· · .. .. · : . • .. - · ua 1ty contr.ol Hniit_. : : ..
Moc ". Minimum detectabie c6ncentratio_n. ·
0.10 ·
. }5E-10
1.0E.016 ·
· · .0.20
· SW6020 :··
siivi:io:20 SW6020 • ·
.E903;o: . -·. .
02/07/19 17:24 /jcg
02i05/1~ 15:.38 / jcg
02105/19 15:38 /jcg
01i22h 9 17:31 / nsr E9o3.o ··· ·· · . 01,22119 11:31 irisr E903.0 : •o:1122/19 17:31 /:mW: E908:o· ·
·: . E908:0:
E908.0
. · RADCALC.
02/06/19. 06:50 I arh
02/06/19 06:50 I arh
: . : ·02/06/19 06:50 i'arh.
.02/08/19 14:43 /.sec .
RADCALC · · · 02/08/19 14:43 /sec .
RADCALC . .. . 02/08/19 1_4:43 /sec .
~D.C:J\lC 02(081;19 1 "1::~3 / sec
· RADCALC 02/08/19 14:43 /sec
RADCALC . . : ; 02/08/19 14:43 /:sec:.
RADCALC . 05116/19 14:26 / sec . .
RADCALC 02/08/19 14:44 /sec . : • : ·
RADCALC 02/08/19 14:44 / sec
RADCALC 02/08/19 14:44 / sec
RADCALC . . · .. :02/08/19 14:44 isec
RADCALC : : . >02/08/19 14:44 isec .. RJ\DCAlC
RADCALC
RADCALC
. .
02ioah ~ \4:44 I sec
05/16/19 14: 31 / sec
' .. 05/16/19 14:31 /sec .. •
RADCALC .. ·. 05/16/19 14:31 7sec: :
FIELD :: 12/31 /18 00:00 /**~ · .
. MCL -.Maximum contarninant level.
ND - Not deteded at the reporting limit. : : :
Page 9 of2~
i.~_RGY LABORATORIES
Trust our People. Trust our Data:· www.erleigyia~.com ..
... .. 'Tollfree, 888.23_5;0515 •: 307.235.0515 "F;:307.234;1639 : : : :·po ·so~ .241,GasP.er. WY ·s2so2.:624t~ ?~.9~ ~aJt.creek i-iwy:(82601!. -=c:.:0.-.;.J.,
•• ' : • ') • • • • • i .~ •• ,· ·, • ;
.. _:::: :·'::: ·.·" ... ·. HIG_BVOLUMiiAplSAMP1:>ING:IU};On;l: ..... ; . '
. Si\J\1PLE:JOi1fflC,3: ·
Radionuclide
C19010089°004 : : · ·
.: FourthQuarter2018 > 23°'fh
' ' ',Air Y\>IU!rte,in mLs '
... ; ·.····
: Concentration µCi/mL
SE-18
'' , . '' ···" ."' :.. ' ' ~ . . :
•·cqun~g· Precision : . Ml)C l1 Ci/riiL µCi/mL
NIA :· NIA•
2E-18 . 2E-18
· 8E-I8 7E-1.8
. . .. ~ . ', ' : •,. . ,·: ~
···.···.· ':•v• -.,.;,,' "' ..
.. :.• ·:: :.·-·-.·
L.1;,.n.+ Effluent co:nc~ * . . % Effluent .. µCi/mL ·· · · . : 1,1Ci/mL · · Concentration
lE-16: : :lE~Ol::
lE-16 3E-14 .. 2E-02
: :IE-l(i .. 2E-03. . . . 1.47E+ll 1-----,-----'----,------'"------'--,-,--,-~'--------,-,-.,----~--c----,-,.,...,.-
+LLD's are fron1 i\HtC Reg. Guide { 14. . . . . . . . .
···*Effluent Concentration from the NEW 10 CFRPart 20 -Appendix B -Table 2 ·
: : . \'ear for Natural Uranium Year for Tlioi:iiun~230
Week fot Radi~uic226
.. Da:r:for Lead-210
Page tO·of:?4 :
~-:-;-,c--:,-:--.,,,...,~,::::-,--,---,---,---,------------.......,.~----·. . .. . . · Billing~; MTBOD.735-.4489'•:casper, WY·BBB:?35.0515 . Trust our.People. Tiusfour Data,·
~\'IW:enei~l.ib.com . : Gilletle,WY86~~&8~.7:175" Helena, MtBn472i~711 . .
LABORATORY ANALY'tltALREPORT: .... . . . . Ptep~red. b}' Casp~t. 'wv- Bran~h . . . . : • : )levi,~ed Date: 05/17 /:\9. : •.•..
Clienti . Ho01estake Mining:¢0;:. >·· Repor(Date::02111/19 . Project: ·. Grints . . . Collection: D~te: Nbt Provided.
. . .. n:atell._eceived: 01104!:W :::::: :' Lab ID: C 19010089~005. ... . .... ' ... - .
·clien.t:Saiijpl~ ID: HMC-4 : . Matrix.: filter ,, . '
.. l\'.IC.L/' Analyses:•:· Result : ;UJJits : : Qual : :RL · QCL Method : : : · : : : : . Analysis Date / By
METALS, TOTAL:: .. Vanadium·.·
· METALS, IN AIR: · ·· .. :: Uranium
uranium; A:ctivity ... .. ... . ....
. :AAPl0NUCLIDE$ •~ 1N: .Al.Ft·: ( : : R.adium 226 : : : : : : : :
R13dium 2~6 precision (±)
Rad.iiim 226 MDC
. . . : . : · Thorium 230 : : Th_orium 230p'recisiori .(±):
Th_orium 230 MDC
· <0'.10 · mg/filter. ·
: : <1 ;sEci O : mg/L
<1.0E-16 UCi/rnL
: : t'l;!i;-fi : uCi/mL
9.2E-18 liCifml,. :
6.9E-18 liCi/riiL : :- 5.9E-:18 ·. uCi/mL . : 2·.0E;1 g:: uCi/mL
2.3E-18 uCi/rnL.
: RAD.IONUCLIDES :- IN :AIR·~ PER FILTER · · Radium.226.
R_adiLJm .2~6. precision (±)
. Radium 226 MDC ..
. . . . . '.Thorium 230 Thorium 230 precision (±)
Thorium 23.0 MDC · . Uraniu'ri,, Acfivity
. · ·3:9 ... : J)Ci/F.ilter,
1 .3 pCi/!=ilter ; : . . .1.0 . . .. pti/F1lter .
:9..8~ : : . : pCi/Filter · 0.29 · : pCi/Filter
0.33 pCi/Filtei:: .. · ·6.7. · : . : pCi/Filter
RADIOCHEMISTRY.AIR. FILTERCOMJ:>LIANCE Radium 226,: % of EFF . .
. . . . . : .. : · Radium 226, EFFWeek: ·: ,.. ... . ..... .
.. · : : : : _Radium 226, LLD< : : :
Thonum 2,30; % of EFF Thodurn 23·0; EFF Year
Thorium 230, tLD .. . . . . . . .
· · • : : Uranium Natural,. % :ofEFF
Uranium :Natural, EFF Year:· .. .. . .. _Uranii.im :Natural, ~LD .
.. , ...
3.0E-03 % :: .. : : : ·9·.oE-.13 ·: uCi/mL
: : 1.0E-:HL uCi/mL 2.0E-02 % ...... .
3.oE-14 uti/m.1,. .. . :: ·1'.91;j~ ·: uCi/mL
. : 5:QE--02 •: % .......
9.0E-14 liCi/mL : . : ·.
1.0E-16 uCi/rriL :
=cuENIPROVIDED·FlELtfl:>ARAMETERS . Air Filtering Volume 1.45E+8 l.
.. ... ., ...
·reporting limit .. ; . Definitions:: . ;ocL - Quality control Hri'lif::.:
·Mot -: Minimum detectabie concentratjo.n.
.,,, ...
OJO
1,5E-10
1.0E016
·.0.20
, .. ,, .. .
· sw5020 . . . . . . . . 92108119 17:50 (,jcg .
sW~o~o 0219511~ 1s:421 jcg SV\/6020 :·· · · oi1ost1915:42 tJcg
: : . EJ303;6 .
E903.0
E903.0
E908:0 ·: . E908;0:
E908.0
01i22h~ 1i:31 / nsr :· · ::::01/22/1917:31 (nsi· ·: .. ·
: : 0•1122/1917:31 rns(: • ·· · 02/06/19 06:50 I arh
02/06/19 06:50 / arh 02/06/19 06:50 (arr , : · .
, ..... . · RADCALC .02/08/1914:43 /.sec
RADCALC : ·: :02108/19 14:43 /sec · .. ,,.,.. . .... RADCALC · ...
:F:!AP¢A~C . RADCALC
RADCALC RADCALC.
RADCALC . ::· RADCALC.
RADCALC
RADCALC
02/08/.19.14:43/sec::: .
02/Q8f:HJ 1,,(:4~ I sec . ·02/08/19 14:43 (sec
: . : 02/08/19 14:43 / sec:· 05l16/1914:26 / sec··
: : :02/08/19 14:44 rsec::. : ·:;::
02/08/19 14:44 / sec
02/08/19 14:44 / sec : .. 02/08/19 14:44 isec . . .
RADCALC . : : : : · ::0.2/08/1914:44 /sec
MO:CALC ·: .RADCALC
02/oaifa ·14.:44 / sec
05/16/19 14:31 / sec
RADCALC .. 05/16/19 14:31 /sec ..... RADCALC. : ·::05/16/1914:31 rsec:: :
FIELD · <12/31/18 00:00 I:**~ ..
. . Mel·- Maximum .contarriinimt level.·· . . . . ND - Not detecfe~ at the reportin·g limit. :
. . . .,. ,.,
. : . : : . · Toll Free: 888.23.5.0;i15: •)07.235.0515 • F;:307.234;J639 . "po Bqx. 247, _Ga.SP.er, WY "li26Q2;Q24? -~ 2~.9~ ~aJt Creek Hwy:(8~'.6°0{).
.EI\ERGY 'i-:-AE!ORATO~IES
,. ., .:1',,
HIGB,VOL1JME AIR SAMPLING':REPORT. .. ...
' .. CLiENT:'Homesta~~Mi~g·co:.·Gt~nts ..... '•. : .. , .. (::PROJECT: Griuits: .. :.::·· · · ,·. ·: .''iuti>Ok;r.n~1:E:.M~~i1;2o'i9:: ....... .
. , .. .. .. . s.AMPLE inhiM:c,4. . . .. ... :, . . . . . ~ . . . . . .
. ... .... . .... , .. ,
/ .. , ' .... ... ... . . . . .... -·· ..... ' .
;QuarterIDate Sample~ · ·. AirVolume
. Counting ... L,L,D.+ Precision . 1\u>c µCilmL Effluent Cone,* % Effluent
Cl901008_9°005.:
: Fourth Quarter 2018 . ·
· · · : . . . . _Air Volµme in mLs · --------l.45E+11
+LLD's are fro111 N~C Reg. Guide 4,l 4_::
*Effluent Concentration from. the. NEW IO CFR Part 20 -_ApJ.)endix B · Table 2 Xearfor Natura!Uranium •
Year for Thoiium~230
Week for Rad_ium~226
. Dayfor Lead-2 IO
µCi/mL NIA
2E-18: ·. ·
9E-18 · ·
.. µCi/mL · · . . · µCi/mL Concentration
: .. N/A:· lE-16: .. :9E-14 ·:5Ec02 :
2E-18 lE-16 2E-02
7.E-1.8 IE-1~ .. . _3E-03 ..
Page t2of?4
=:::::::::o:=====c=====::====.w•. EN:RGY L.AISORAmC>RIES
Trust our.People. Trust' our Data. · ,w,w:energjlah.com
LA)iQRATORY ANALY'.flCAL REPORT
Biliings; MTBOD.735;4489 • Casper, WY 888:235:0515 Gillette, WY 86&:.s_ss.7:175 " Helena, Mt877:472;~711
Client: Hdmestake Mining Co . . Project: Grants
Prepared by Casp~r, WY Branch . • llev.ised Date: 05/17/:IQ : .
Report Di,te:. ~2/11/19
LablD: Cl90I0089-00fr_
Client Sairiple ID: HMC-5 • .
. : . Collection D~fe~ Nbt Provided ..
DateReceived: 01/04/:19 . ' - . . . . .
Matfix_: _Filter
: ... l\'.ICL{ Analys~s:::· • · Result : Ul)iti : · Qual ~ QC.L Method : Analysis Date/ By
-· METALS, TOTAL•. Vanadium·
M~TALs·, IN AIR · · :·: :Uranium
Uranium, Activity·
. RADIONUCLIDE$ - IN AIR : · · • Radium 226
Radil!m 226 precision (±)
Radilirn 226 MDC
· · · Thorium 230
. Th_oriurn 230 precision (±) Thorium 230 MDC . , ,, ''
<0.10 ·mg/filter.· · ·
: <1 :5E~10 mg/L
<1.0E-16 uCi/rnL
·: ?.6E::~1 i uCi/mL
8.6E-18 L!Ci/mL.
6.7E-18 tlCi/mL :
· · 6.9E.:1 s · uCi/mL
. OE;1 s . : uCi/mL
1.9E-18 uCi/mL: ·:
.. RADIONUCLIDES - IN AIR~ PER FILTER · · · · · · Radium 226 ·3:7 .. : pCi/Filte_r. .
1.2 pCi/f:ilter •• Radiu_m 226_ precision (±)
.. Radium 226 M_DC . . .. · ... 0.98 pbi/Filter ..
· '.fhorium 230 : ·
Thorium 230-precision (±)
Thorium 23.0.MDC
. uranium; Activity · ·
: '.1.0. · pCi/Filter
0.19 pCi/Filter- ·
0.27 pCi/Filter •: .. · · · · 7.3 ·. · pCi/Filter
RADIOCHEMISTRYAiR FIL TERCOMPLIANCE Radium 226,. % of EFF
Radium 226, EFF 1/Veek · · · · Radium 226, LL:D·
Thorium 230, % of EFF
Tho~um 230, EFF Year
· Thorium 230, LLD ..
• · : : .Uranium Natut~I. % of EiFF ...
Uranium Natural, EFF Year:· .. . . ' '
Uranium Natural, LLD
3.0E-03
·. 9'.0E-.13
: fOE~16
2.0E-02
3.0E-14
1.0_1;:~1~
·: 6.0E-02
9.0E-14
1.0E-16
CliENIPROVIDED FIELD PARAMETERS •
o/o uCi/mL
: uCi/mL
% ... .. uCi/m_L:
. uCi/mL
% LiCi/mL: .. LiCi/rril:.:.: ..
Air Filtering \/olume 1.45E+8 L
Report : _Rt.:-~ Analyte reporting limit. · Definitions: • · · QCL - Quality confrol liriiiL •
MDC ·.: Minimum detectabie concentratio_n.
0.10 ·
• :1-SE-10 1.0E~16 ·
.0.20
SW6020
sws620
sVvso20 ·
E9o3:o:
E903.0
E903.0
E908,0·
E908:o:
E908.0
· · 02/08/19 17:54 !jcg
02iQ5/1 ~ 15.:4;7 /jcg
0;2/05/19 15:47 /jcg·
01i22/i !;J 17:31 / nsr
.. : . 01/22/1917:31 /nsr
· 01/22/1917:31 rnsf·
02/06/19 06:50 / arh
02/D6/19 06:50 I arh
• .. 02/06/19 06:50 iarh '.. . ...
RADCALC .02/08/19 14:43 /.sec
RADCALC · :· :02/08/19 14:43 /sec
RADCALC · . . .. 02/08/19 14:43 /sec
RAOCALC . 'RADCALC
RADCALC RADCALC.
RADCALC
RADCALC
02/08/:191{43/sec
02/08/1914:43 /sec- .
02/08/19 14:43 / see . .. ,, 05/16/19 14:26 / sec
02/08/19 14:44 /see .. ·
02/08/19 14:44 / sec
RADCALC 02/08/19 14:44 / sec
RADCALC. . .... : • : 02/08/19 14:44 isec . ·
RADCALC . : . 02/08/19 14:44 /sec ... MDGALC 02ioaii~ ·14_:44 / sec
. : . RADCALC 05/16/19. 14:31 / sec
RADCALC • : 05/16/19 14:31 /sec.
RADCALC . · :•os,16119 14:31 rsec:
FIELD · : : 12/31/18 00:00 /***
. MCL - Maximum contaminant level. ·
ND - Not detected_ at the reporting lim_it. • . :
Page 13 of24
. ' ' . . . . . .
EN:RGY Trust our People. Trust our Data'.· _: ... ; . [N;"l!'!tli"li\'r>1J}i'g,1' . · .. : . : : ··Toll Free: 888.23_5.0~15: •: 307.235.0515 • F;-307 .234; 1639 www.en_ergyiab.com . . : " :.: :~J\~?1fi1.Xhi.1: .. .. . .. . .. . . . . . .. . . . . . . . . -L.ABORATORIES" ----_,;_c.'--'-'-'-'-,-'-'-,.-'--__,,.· .. : ·_;,:· - :: , ... ,: ;: ·. _ ,. ·_ - · •: : Pq Bq~_247, ~a_sP.er, WY 82602"024?.• 2~_93 ~a_lt_Creek Hwy (8260l).
' ,. '.. . ... : · · ··· ~ _:. · .... ·HIGH:VOLul\iDi Am SAMPLING. ·J.{EPORT ...
.. . , • " ... "· d. "'' ' •• CLIENT: "Homestake ~nihg Co~ Grants ... ' .. " ..
.. :-- :-::PROJECT: Grants:· ,: ::. ;_::_: -- ··REi>oil:r;_nA'i:E=M~i11;:io19•: ....... __ ._
(Quarterillate Sainpleii . : : : -Air Volume
C19010D89°006 : : ·:
Fourth Quarter 2018 . -
. Air Volume in rnLs
Radionuclide
23°Th
______ 226Ra _
: ·concentration ·µci/mL·:
· SE:.17 ·
7E-18
3E~p
: : C<mnting -• Pi-ecisioii:
µCi/mL NIA
IE-18
9E-18
::• .. ,:..,:: ..
1\1:IJC µCi/riiL
.:.N/A:
2E-18
7_E~18
1,:.I,,D.+ ..
µCi/mL
IE-16
IE~16
:rns16_
~-: . ; ...
.... ....
Effluent Cone:.*: % Effluent µCi/mL Concentration
9E-14 · 6E~02 ·
3E-14 2E-02
9Ecl3:: . 3E-03_ 1-----------'-------'------'------..__ ____ _._ _____ _._ _____ _. l.45E+l 1
+LLD'nire from fUtC Reg. Guide 4:14_ ·: _
*EJ'.fluent Concentration from the. NEW 1 O CFR Part 20 - Appendix B -Table 2 · .• : y" ear for Natural Uranium :
Year foi" Thoriiun-230
Week for Radium"226
.. Day for Lead-210
Page 1_4 of ~4- •
·El!\ERGY' 0
LAB0RAT0R1ES
~-·-:·;; • N. TrustourPeople.TrusfourData: ~ viww:ene_r!zylah.com
Biliings; MT800.735A489·., Casper, WY888;235:D515 . Gillette, WY 866'.686.7175 • Helena, Ml817.472:D.711
LABORATORY ANALYTI(:AL REPORT .. . . . Prepared by Caspet WY Branc;h l{evJs~d Date: 05/17 ll 9 ...
Client: . Ho01estake Mining Co •. ·• ·
Project: · Grants ..
Lab ID: Cl9010089~007 .
ClientSariiple lD: HMC-6 .
Report Date: .62/11/19 : : . Collection Date:· Not Provided ...
-MCL/
DateReceived: 01/04/19 •··
Matrix_: __ Filter
Analyses-•.· . Result : Units·.. Qual : RL · QC.L Method• · · • · • • Analysis Dat~ /By: .. ·.•
· METALS, TOTAL•. Vanadium.
. · · · METALS, IN AIR • · · ·
· .•: •• _Uranium
Uranium, Activity
<0'.10 mg/filter
<1:5E~10 _mg/L
<1.0E-16 uCi/mL·
• R.6.DIONUCLIDES -~ IN AIR · . :·:::Radium 226 •• 4.~E.:17 : uCi/mL
Radium 226 precision (±)
Radium 226 MDC
Thorium 230
· : : Thorium 230 pfecisiori (±)
Thorium 230 MDC
. RADIONUCLIDES - IN AIR~ PER FILTER · · Radium.226.
Radium 2~6 precision (±)
. Radium 226 MDC . . .
••••.Thorium 230
1.4E-17 uCi/mL
7.0E-18 uCi/rhL
8.5E-.18 ·. uCi/mL
1·.6E~18 •: uCi/mL
2.2E-18 uCi/mL.
6:2 · · · • pCi/Filter
2.0 pCi/Filter •. . . 1.0 ... pCi/F1lter ..
. :1 ;Z · • • pCi/Filter
0.23 · pCi/Filter · Thorium .230 precisibri (±)
Thorium 23.0.MDC o.32 µCi/Filter• •.. . . . . . .
. ·. •. Uranium; Activity · · · · · ·3.5 · .• pCi/Filter
RADIOCHEMISTRY AiR. FILTER COMPLIANCE Radium 226,: % of EFF
·:· .. ·Radium 226, EFFVVeeik ·
• ••:Radium 226, LE.o•
Thoduin ~30; % of EFF
Thorium 230; EFF Year
· ··Thorium 230, ~LO. • · · • • · •·••·Uranium Natural, % .of EFF
Uranium Natural, EFF Yea(· . .
.. Uraniilm Natural, LLD
5.0E-03 %
9:0E-13 • uCi/mL : : 1:0E~16 : uCi/mL
3.0E-02 % 3.0E-14 utitmL •
·. 1.QEc:16 • uCi/mL
·: 3.0E-02 :% 9.0E-14 LiCi/mL
1.0E-16 LiCi/niL •
CLiENT PROVIDED FiEL6PARAMETERS. : : Air Filterin~ Volume
Report : RL- Analyte ·reporting limit . Definitions: • . . Q(;L - Quality control liriiif. • .
1.44E+8 l.
. . . MDC:.: Minim.urn detectabie concentration ..
..
0.10 ·
1.5E-10
1.0E'-'16
·.0.20
SW6020 ··
siivs620
SW6020 :·
t903:0.
E903.0
E903.0
E908,0 ·
E908:o•
E908.0
. · RADCALC.
RADCALC
02/08/19 17:59 (jcg
02i05/1 !3 1. 5:/)1 / jcg
· ... 02/05/19 15:51 /jcg
01i22/19 17:31 / nsr
-01/22/19 17:31 /nsr .. •
· • •0.1122119 17:31 rnsr • • · ·
02/06/19 06:50 / arh
02/06/19 Off:50 / arh
•.: 02/06/19 06:50 i-arh .
.02/08/19 14:43 /.sec. .
<02/08/19 14:43 (sec
RADCALC · . . 02/08/19 14:43 /sec · .
RADCf.LC .RADCALC
RADCALC
RADCALC
RADCALC
RADCALC
RADCALC
RADCALC.
02/Q8/19 14:4:3 / sec
02/08/19 14:43 /.sec
• : 02/08/19 14:43 /set•
05/16/19 14:26 / sec . .
• -• 02/08/19 14:44 /:set .
02/08/19 ·14:44 / sec
02/08/19 14A4 I sec
02/08/19 14:44 isec .
RADCALC : • · • 02/08/19 14:44 (sec, • ·: . ·
RADCALC ... RADCALC
RADCALC
02/osh 9 14.:44 / sec
05/16/19. 14:31 / sec
: 05/16/19 14:31 /-sec.
RADCALC : · : : 05/16/19 14:31 /set.
FIELD . .. : 12/31/1800:oor···
MCL--Maximum contaminant level. ·
ND - Not detected at the reporting limh .
Page 15 of 2_4
EN:RGY ·LAsoRAT6R1i;:s·
Trust our People. Trust our Data:· : : : : \f(ifit®~l''J·\6f!"J··i: ·:::. j .• ::: Toll Free: 888.23:5.05151 •· ~07.235.0515 • F}ot:234:1639 WVIW.e_nergyiab.com . . ·:: : ..,'l,f.\.W~~\:illf . : . ·:: : PO Box 247, Ca.SP.er, WY. 82602"0247 ~ 23.93 Sa.It.Creek Hwy (82601).
..;.-,-,."';'---· .. -;--- -·. ' . . . . . . .
.. . . ffiGH VOLUME AIR SAMPLING REPORT ....
.. ,. ... CLiEN'fi Ho_mestal,;e.Minihg Go:: Gran~: ..
" ::·.· \P:ROJECT: G.r~n~:<:):.: ·: · ·'REPORT.QA'X'E;: ,May 17;2019·:
;: :: ... :: .. . . .. . . S.AMPLE ID: HMC~6. . . .
.. Quarter/Date Sample~ Air Volume·
C19010089s007 . ·
Fourth Quarter 2018 :
. Ai.r Vol:ume in:mLs
Radionuclide .
.·:::IU\'u·
230Th
.. 226Ra.
• Concentration µCi/mL· :·
·:2E0 17: ..
8E-18
4IH7
.. ·: ·::. :·::::
... . . - ~ .....
·counti~g· · : Precision :
µCi/mL NIA
2E-18
. lE-17
, .. -·:
...... . ...
;i.L,D.+ l\1J)C µCi/riiL .. µCi/mL
::NIA: IE-16
2E-18 rn:16 . ..
7.E~18 :IE0 16
. . . . ' .. ' . --~ . .... ..
. .. • .. '
Effluent C~nc/ % Effluent
,µ Ci/mL. Concentration
9E-14 : JJ;-02: ·
3E-14. 3E-02
9E0 l3' · . 5E-03 1----------''--------'--------'------..__ ____ _._ _____ _._ ____ .,.....,.~ . l.44E+l 1
+LLD's are from. N.RC Reg. Guide 4J4: ·
· *Effluent Coiicentnition from the.NEW IO CFR]?art20-Appeildix B -·Tabk 2 ·
. : . Year for Natural Uranium::.
Year for.Thoriinn,230
Week f9r Rad_iunic226
.. Day:for Lead-210
Page t6of?4.:
EN:RGY i.Asofv:m'>Rtss ~.f Trust our.People: Trusfoi.lr Data. ·
viww;enersylah.com Biliings; MT800.735A_489 ° Casper, WY 888:235,0515 .... Gillette, WY 866.6_86_.7:175 • Helena, MT877'.472:0_711
LABORATORY ANALYTJCAL REPORT : : : Pie·pared by Casp~r. VVY Branch Revised Date: 05/17/19 :
Client:. . . Holllestake Mining Co .
Project: · Graiits . Lab ID: C 19010089-008:.
Client Sample ID: HMC-7 : .
l\'ICL/
Report Date:. 02/11/19
Collection' Date: Not Provided. · ·
DafeReceived: 01/04/19 • ·
Matrix.: Fiit~r
Analyses • Result U11it~ : Qual : RL · QCL Method. . .. Analysis Date / JJyi
:' METALS, TOTAL-· Vanadium
· METALS, IN AIR ·: ·: _Uranium
Uranium, Activity·
. RADIONUCLIDES - IN AI_R · ·•._Radium 226
Radium 2,26 precision (±)
Radii.Im 226 MDC
· Thorium 230
. : . · : . : . : Thorium 23_0 _precision.(±)
Thorium 230 MDC
· <0.1 O · · mg/filter
0.00052: mg/L
3.5E-10 uCi/mL .. ·
·' 3.2E-·09 . uCi/mL
1.3E-09 uCi/m.L : · ·
1.1 E-09 uCi/rtiL : : ·
. · 4.2E-10 · uCi/mL
: : 2.1E-10.: uCi/mL
2.5E-10 uCi/mL ·
. : RADIONUCLIDES - IN AIR ~ PER FILTER · Radium 226 3: f · · • pCi/Filter .
Radium 226 precision (±)
Radium 226 MDC
Thorium 230
Thorium 230 precision (±)
Thorium 230 MDC
_Uranium, Activity·
1.2 pCi/Filter . 1.1 . pCi/F1lter · · ·
0_.39 : • pCi/Filter
· · · 0.20 · ·' pCi/Filter .
0.24 pCi/filter · · .. . . . ·0.33 ·. pCi/Filter
RADIOCHEMISTRY AIR. FILTER COMPLIANCE Radii.Im 226,: % of EFF
. · Radium 226, EFFWeek .
: : . . : : : : Radium 226, LLD : ·
Thorium 230; % of EFF
Thorium ~30; EFF Year
. · Thorium 230, LLD.. ·
···.Uranium Natural, % ofEFF
Uranium Natural, EFF Year:·
. Uranium Natural, LLD .
3.6E+05
. ·9:oE-.13 ·
1-.0E-16
1.4E+06
3.0E-14
· 1.0E-16
3:9E+05
9.0E-14
1.0E-16
.. CLiENT PROVIDED Fi ELD: PARAMETERS .. Air Filtering \/olume
Report Definitions: ·
_R~ ~ Analyte reporti_ng limit>
OC_L - Quality confrol Hri,it :
% uCi/mL
:uCi/mL
%
ucitmL :·•
uCi/mL
,%
uCi/mL •.
uCi/riiL :
l
MDC - Minimum detectabie concentratiori.: .
0.10 ·
D_L : 0:.000022
DL 1.5E-11
0.20
SW6020
SW~020 SVV6020. · ·
E.903;0:
E903.0
E903.0
E908.0 ·
E9o8:o·:
E908.0
02/08/19 18:03 / jcg
02i05/19 15:56 / jcg
02i05/19 15:56 / jcg
01/22i1917:31 / nsr
. : 01 /22/19 17:31 Ins~
•01122119 17:31 fnsr . • · ·
02/06/19. 06:50 I arh
02/06/19 06.:50 I arh
.... : 02/06/19 06:50 iarh •
· · RADCALC. . .02/08/19 14:43 / sec
RADCALC · · · :·: 02/08/19 14:43 /sec .
RADCALC · . 02/08/19 14:43 /sec .
RADCALC 02/08/19 14:4:~ / sec
RADCALC · 02/08/19 14:43 / sec
RADCALC . : : :02/08/19 14:43 /.sec.
RADCALC.
RADCALC
RADCALC
RADCALC
RADCALC.
RADCALC
R.A.DCALC
:: . RADCALC
05/16/1914:26 /sec.
: · • 02/08/19 14:44 /sec . ·
02/08/19 14:44 / sec
02/08/19 14":44 / sec
. 02/08/19 14:44 /sec
.. · 02/08/19 14:44 (sec:: • ·:.
02/08i1 ~ 1. 4:44 I sec
05/16/19. 14:31 / sec
RADCALC : . 05/16/19 14:31 /sec. . · RADCALC : . : . :05/16/19 14:31 /:sec' : : .
FIELD : ::12/31/18 00:00 /***: · .
. MCL-.Maximum coritarTiinant level.·
ND - Not deieded at the reporting lim_it. •. · ·
D - RL in.creased due to sample matdx ..
EI\ERGY. .LABORATORIES-
Trµst ~ur People. Trust our Data; . IWiw.eil~rgylab.com -----------·---·-· -. -•-····-•c·-·.···--
Billings, MT 800)35.4489 " Casper;vd 8.88.235.0515 GiUettei WY 866.686. 717~ • Helena; MT' 877.472.0711
~ ' . ... :.:· .. .. ::. :.:L . ····-
. .. HIGH VOUUMKAIR SAMPLING .REPORT ....... . . , .. : . . .
.. .. , ······ . . . . . . . . .. _ CLIENT: 'Ho_mestak~. ~illlllg .co :. Gfa~t.s ...
:: .:-- :<PROJECT: Grants:··:.:: . . :: · :REPORT.DA'l'~: ~ebru:jtyl°i;2019 ... . ... .. .
· · · REVI~F;P.OA.TE~ :May 17, 2019 ' . . .... S.AMPLE=Irii :HMC,7. ..
: . Quarterillate Sample~ .. : Air Volume·
C 190 I008.9c008 · · ·
Fourth Quarter 2018 • ·
. Air Volume in mLs ·
Radionuclide
. . . . ' ... - ~
: Concentration µCi/mL:·
:2Ec1_8: :
3E-18
2E-17
· C<mnting : . Precision·
µCi/mL NIA
IE-18 ·
, 8E-18 ·
. ...... . __ ;_
.. . .. . ..
MDC µCi/riiL L.L,;D.+ Effluent Co,nc.i
.. µCi/mL · · · _µCi/mL
NIA: IE-16 :: ~E-14
2E-18
.. 7E-18 :IE-16 . . 9E-l3
% Effluent Concentration·
. · ~E~03: •
9E-03
.. 2E-Q3 -------~~-----~-------'------~----~-----~------' 1.47E+ll
Mr Volumes oil this page b~sed on average of quarterly set; accompanying standal'.d report uses a J L default volume.
+LLD's'itre from NRC Reg. Guide 4J4 . . . .
·:. *Effl:uent Concentration froin the NEW 10 CFR Part 20:-:APP.endix B -Table 2 : :
Year forNitiuraJUrimium
Year fot Thori~ni-'230
.. Week-for Radium-226·
: DayforLeitds210.
Page 18_ of 24
• · Trust our People, Tni;toi.11' Data. v1ww:en~9ylab.com
. ·siliirigs; MTB00.735.4489 • Casper; WY 888.235.~515 Gillette, WY 866.68~ .. 7175,. Helena, MT877:.472 .. D711
Client: : Homestake Mining Co : ·:
.. Projed: Grants
QA/QC Summary Report · ··Prepared by Casper, WY Branch
: . Report Date: 02/11/19
Work Order: 01.9010089
Analyte Count . Result U.nits RL °loR.EC . Low Limit High LilTlit : : RPO RPDLirnit . .. tlual
Method:· ·swso20 .. Lal:ilD: QCS
Uranium
Lab ID: ICSA. "
Uranium
Lab ID:. ·ICSAB
.. Uranium
· • .Meth:Od: SW6020
Lab ID: · MB~!>3091
Uranium
: . l,.~b ·11:;>: LCS2-sjo91 Uranium
· Lab ID: C19010070~001ADU:.'
• •: .Uranium
Lab ID: · c19ojoo10-001APDS
Uranium
.. Method: . SW6020 · ..
Lab 10:: · ·: QCS Vanadium
Lab ID: . . ICSA
Vanadium. · .
.Lal:) ID: ICSAB ·
:.vanadium
Method: · .swao20 1,.ab ·10: MB-53Q9:z'
··:Vanadium
Lab ID: .. :L.Fij-~3092
· · · · Vanadium
Lab ID: C19010089~001BDIL.
Vanadium:
: Lab ID: C19010089700~6PDS
Vanadium
RL - Analyte repo'rting limit.
Initial Calibration Verification Stani:lard ...
0.0182 mg/L. : . : : : 0.00030 ...
Interference.Check Sample A
8.70E~06. . mg/L O:o'ci030
• Interference Chec.k S_ample./\B 4_.tOE-06 mg/L 0.00030
: Method Blank
0.0003. rrig/L .
Laboratory Control Sampl~
0.0852 mg/_L
Serial Dillitioh .. ·
5.29Ea:l 1 . mg/L
2E-05 .
2.ZE-05
: 1'.5E~10.
: Post Digestion/Distillation Spike
1.0BE-09 rrig/L 1.5E-.10
· · · : Initial Calibration Verification Standard
91 :
.. Analytical Run: ICPMS.il~C_J90205B
:02/05/19 13:4l
90 ·. 110.
Ruri: ICPMS4-C_ 190205B •:
Run: ICPMS4~C.:..190205B
02/05/19 13:46 ·
02/05/19 13:50
Batch: 53091
02/0.5/19 14:38
77 . : · 85 115.
02/05/19 14:42 :s·
Run: 1CPMS4aC.:_ 190205B :o 0
. :Run: ICPMS4-C_190205B : . . 93 . 75 .. 125
'02/05/19 14:56 .
20
02/05/19 15.:01
Analytical Run:• ICPMS4-C_ 190207A
02/07/19 15:55
0.0514 rrig/L 0.01 O • 103 . 90 . 110
.. Interference Check.Sam~le.A ·.
-0.00179 nigt~: · 0.010
Interference Check Sample AB:
0.0176' · mg/L . O.Ci1d
Method 131arik ·
. : , : ND mg/filter
: laboratory Fortified Blank·::::
· · 0.050 : ·mg/filter
Serial Dilution
"0.10
0.0058 mg/filter . 0.10
Post :Digestion1Distillation Spike · · · 0.12 . mg/filter . 0.10 .
Run: ICPMS.4-C~ 190207A
}fon: ICPMS4-C_190207A:
99 75 ', 125
Run: ICPMS4-C.:_190207A · · .
0 .0
Run: JCPMS4~C_ 190207 A
115. 85 115 ..
ND - Not d~tecited at the reporting limit. :
:02/.07/19 .16:.00
02/07/19 16:04
:Batch, 5~092
02/07/19 16:43
02/07:/19 16.:4 7
02/07/19 17:01 :10.:. •N:
'02/07/19 17:06.
MDC - MirJimurri detectable concentration • ' N - The arialyte cqncentratlon W~S riot.sufficiently high to ~lcuia.te a:' RPO .for the serial dilution test·
. : s ~ ~pike recovery outside. o.f ;;idvisory limits.
~ .. ". "' : Trust.our People, Tru'sfour Data ..
ww1,~:ener9Y.lab.com . ---~--------· - . ' ... -·- . ,~
Client::· Homestake Mining Co
Project: Grants
: . ClA/QC Summary Re.port · Prepared by Casper, WY Branch ...
· . Biliirigs; MT. 800.735.4489 • Casper; WY 888.235.0515 · . Gillette, WY ~86.686J175 • Helena, M:f877.47~ .. 0711
Report Date: _02111119
Work Or~er:· C:19010089
Analyte • • Courit:. · · Result Units RL %R.EC • Low Limit High: Lin,it : RPD RPDLiinit.: . Clual
Method: . SW6020
:Lab ID: QCS
Vanadium
·Lab ID: ICSA .
Vanadium
Lab ID::. · ICSAB
. Vanadium.
•: Method: SW6020 ...
Lab ID::. : MB~~3092
Vanadium··
Initial :Calibration Verification Standard·:. 0.0502 mg/L .. : . 0.010
lnterference,Check Sample A .
-b.00192 mg/L : 0.01 b
· · · • liit~rference Chec_k Sample AB . : . 0.0176 .. mg/L 0.010
· Method Blank
.. ND mg/filter : . . . 7E-05 .. :
100 90
. . Analytical Run: ICPMS4~C~ 190208A
: ·::: 02/08/19 16:57
Ho . . --·-
. 02/08/19 17:02
02/08(1917:07
Run: ICPMS4-C_190208A .
Batch: 53092 . ·:
02/0811917:45
RL -Analyte:reporting limit. ND - N_ot de.tected at the reporting limit. :
MDC - rviin/mum•detectable concentration •.
PaQe 20 of 24 :
: Trustour People, TrustoilrData. . . . . : l!iliin·gs; MTBD0.735.4489 -~ Casper:wv 888.2~5.0515 · .. \VWw,energylab.com , Gillette, WY 866;686.7175 • Helena, MT8l7;472;0711
. · ClA/QC Surnit.-ary Report: ' Prepared by. Caspet: ViJY Branch .
Client: • Homestake_ Mining Co
: : Prcij~ct: Grants
Analyte Count· . Result Units .. :
· · · Method:· E903:o. ·
Lab IP: C19010089~003.A:MS
Radium 226
Lab ID: C19010089-00~AMSD
·. Radium 226
Lab ID::: · LCS~53091
Radium226 ·
·: Lc!blO: MB-530.91 .. • •
Radium 226. :
. . .. Radium 226 precision (±) .
. : . Radium 226 MDC
· :Qualifiers: · RL -Analyte reporting limit.
Sample Matrix Spike
1.1 OE-06 pCi/L .
· Sample Matrix:Spike Duplicate .
1 ;23E~06. • • . pCi/L
• ~aboratory Contror Sample. .
. . 102. pCi/L•
3 Method. Blank · ..
0.6 pCi/L
0.2 pCi/L : .
0.2 pCi/L
MDC - Minimum detectable concentration : . ·
Report Date: 02/08/19 •
Work Order: C19010089
RL %REC Low Limit High Limit . RPO RPDLimit . Qual
Run: TENNELEC-3_ 190116B
77 . . 70 . 130 .
Rufi: TENNELEC-3_J90116B
86 . : 70. 130
Rufi: TENNELEC-3_ 190116B . 101 80. · : 120 .
Run: TENNELEC-3_ 190116B
' ND - Not detec;;te.d a"t the reporting limit.
.11
Batch: 5309.1 ·
: :: 01/22/1917:31:
. 01/22/19 17:31
· •: .. 20
01/22/191-7:31
· 01/22/19 17:31 •.
PaQe 21 of 24
..
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. iiiliin·gs; MTS00.7.35.4489 • Casper:wv 888.2~5.0.515 Gillette, WY 8.66.6863175 • Helena, Mr:877;412;0711
· ·: QAiQC Summa·· Re ort-. .. .. .. ry p .. Prepared by Casper, WY Branch .
Client: • . Homestake. Mining Co··
: Project: Grants
Analyt~ · Count · Result Units . ·
Method:· Esos:o Lal:ilP: MB-53091
Thorium 230 :
Thoriuni 230. precision (±) .. Th9rium 230 MDC ...
Lab ID:. LCS-53091 .
Thorium 230 •• : .
Lab ID: C19010089,002AMS ' . . . . .
. : ·Thorium 230
..
3 Method Blarik
0.2 pCill
0.2 pCi/C ().~ : ·: pCi/L
Laboratory Control. Sample . ·
49.7 pCi/t
Sample Matril(Spike
6:88E.:6't . pCi/L
Lab ID: : . . C19010089-002AMS0. : : : Sample Matrix Spike Duplicaie
. Thorium 230 7,501::-07 pCi/L
. Qualifiers:
RL - Analyte repO:rting limit.
MDC - Minimur\1 detectable concentration :
: • .Report Da_te.:. 02/08/1 9 • • · ·
Work Order: C19010089
RL %REC Low Limit High:Limit • · RPO RPDLiinit.: .dual
Run: EGGcORTEC_190128B
· · · · Run: EGG~QRTEC...:,1901288 .
.. 10() ::: . 80 : 120 .•
Run: EGG-dFff.EC_190128B .106. .. 10••:. 130 .
Batch:·s3091.
: · · · .. 02/06/19 06:50. :U .
02/06/19 06:50
. . 02/06/19 06:50
· · Ruri: EGG-ORTEc:_ 19012as• 02/06/19 06:50
114 . · 70 130 8.5: .. · 20
.. ND- Nqt detected at the reporting limit.
U NoO:letected.at minimum detectable concentration
Pa1;1e 22. of 24 ..
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Wotl( Order Receipt Checklist
H.omestake Mining Co
. Login completed:by: Mark E. Traider
Re\iie\Ned by:
ReVieweid Date:
Kasey Vi dick
1/4/2019
Shipping container/cooler in good condition?
Custody seals intact on aHshipp[ng container(s}/cooler(s)? • :
·. • Custody seals intact on allsample bottles?
Ch~in ()f custody present?
· Chain of custody signed when. relinquished and received?
.. : chain o_f custody agrees with sample lab~ls~ .
Sarnplei; in prpper container/bottle? • · ·
· : Sample containers intact? ..
Sufficient salliple volume for indicated tes.t'.? ' ....
.All samples received within holding time? · · · ·(Exclude analyses that.are considered field parameters · · '$\JCh as pH, DO, Res CJ, •S:Ulf\te, Ferrous Iron; etc.): ·
. . . . . . - '
Temp ~lank_ received in all shipping contain~r(s)/cooler(s)?
: . : ·Container/Temp Blank temperature:
Wat_er - VOA_ vials have ·zero headspace_?. •
Water ~•r:Macceptable upon receipt?·: : ·:::
·· Yes 0
·:·Yes•
Yes D.
Yes0
Yes 0-
'" Yes 0·
yes:0
Yes 0
Yes@
·=Yes0
Yes
17.9°C Noice.
Yes_O·
·•ves•
, . · Billings, MT 800.735.4489 ··casper.WY 888.235.0515 . . Glli~tte, WY 866.686.717.5" ll~lena, MT 877 .472.071 f
· .... -· -G19010089 . '
Date Receb1ed: J°/4/2019
___ R~ceived by: tlh. . , .
Carrier name: NDA
NoD
Nci
::_NoD
NoO.
NciD
NoD
NoD.
·NoD
NoD
No
No
. Not Present D. ' '
Not _Pre_sent 0 · ·
: :Not Pre·sent
· :·:. NotApplicable D:: ·
· . NoVOA vials submitted 0 .. No.O
No : · • • : Not _Ap~licable : :0 : . . . . . . _______________ ... ___________ ... _ .. ___________________________________________________ ,. ________________ .,. _____________________ .,. _________ ........... ,
. '.'' ------------- .. -. '. - . ' .. - '------------- . ·- . -- '·- .. , -------------·' -· .. -..... '------------- '·- , . ·- . , . , .. -------------·. -... -' .. '' '----· Stan~ard Reporting Procedures:
. . . . . : Tab measurement ofanalytes considered field parameter~ th~t r~quire analysis withinJ 5 minutes of s,ahipling such as
: · • pH, Dissolved Q'xygen and Residua[ Ch_loriiie_, are qualified as beihg analyzed outsid_e of:recommended holding time. . . ' . '
Solid/s.oil $.,lmples are report~d o.n. a wet weight basis (as received} Li1:1les.s s.pecifically indicated. If moisture corrected; •.: ·. data units are typically noted as -dry: For.agricultural and mining soil parameters/characteristics, all samples are dried·
'' • ': and ground pr1or: to sc1rnple analysis. ' ' . . . . ' . ' ' ' ' . '
. . . ' ... . Contacfand Corrective Action.Comments:=·
• None
Page 23:of24 ·
,,sawremJ Chain of Custody & Analytical Request Record Trust our People.1rus1 our Data, www.energyfab.com
Account Information (Billing information) Repo rt I f f n orma IOn (ifd/fferentthanAccountlnformation)
Company/Name /./om tSh::..kc. Company/Name
Contact ...
- "' A l
Phone Phone c...,,· P(\- ' \...-Malling Address ,Malling Address ../
City, State, Zip
DErnail Receive Report OHard Copy DEmail Special Report/Formals:
D LEVEL IV D NELAC O EDD/EDT (contact laboralory) D Other
Proiect Information Matrix Codes Anal 1sis Requested '
Project Name, PWSlD, Permit, etc. 6-R ANT.S A· Air 0 I w. Water ~ "' ,0 Sampler Name J?vte:. Mo..-n~ 1:.. Sampler Phone I· 5oS· J&'t· lbOh Soils[ '"b " ~ S- ·;:, Solids ~
l'-'M V• I,;"
~ \)' Sample Origin State EPA/State Compliance DYes DNo Vegetation
~ '.:t C' B· Bioassay I\( ~ URANIUM MINING CLIENTS MUST Indicate sample type.
. 0- Olher :s D NOT Source or Byproduct Material D Source/Processed Ore (Ground or Relined) .. CALL BEFORE SENDING DW· ~,::'g
' ..... D 11e.(2) Byproduct Material (Gan ONLY be Submitted to ELI casper Location) ....... .......
~ -l 4! -i! . Sample Identification Collection Matrix f~ Nutnberof \~ 1.E ~ (Name, Location, lnteival, elo.)
1 ftMC- I 2 HMc - IA 3 lfM (, - ;l 4 1-1-1-1c.~3 5 HMC-l/ 6 HM'--S 7 1-f pt c.. - l:, 8 H Ml. - "'f 9
10
Cuskldy Relinquished by (pllnt)
Record MUST J..ti r l\ne L be !iilgned Relinquished by (print)
\ '• ~' .
Shipped By Cooler ID(s)
• ' <' ' • ' .: •• ~~
Custody Seals Y N C 8
Date Time Containers
~
1/fh OrK
' :JC> 18'
I
COMPO! IT£
I
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Intact y N
Receipt Temp ·c
(SeeCOdes Abo,el
X x. X X X X ){ X )l X X X X X y X x )( )C X )(. X X )(
X X X >< X ~ X )(
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(print)
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~~ l i?3Jj 35g ~'1 S"G.~'7 5¥1~
See A,·r \Jo l~vVteS.
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All turnaround times are standard unless marked as
RUSH. Energy Laboratories
MUST be contacted prior to 't, RUSH sample submittal for Cl)
charges and scheduling -.c u See Instructions Page m i:: • < Cl) .. · "·· . ., :t;Lt;liAEfU,"JM · ,. .. QI
U) RUSI! =-~~:: ~;~. :-,:: •, V,~::: TAT
l.':i/E r II 1.'-/(p e r- J (
/, 4<t £ t- I/ /, </? ··€ r- II ,. '-15 £ r I/
/.45£ +- II t. 4'f E +- 1 I J.JlA
-C../'tt:)/OOKY
In certain circumstances, samples submitted to Energy Laboratories, Inc. may be subcontracted to other certified laboratories in order to complete the analysis requested. This serves as notice of this possibility. All f{l" ·": ·1tracted data will be clearly notated on your analytical report. w-eoc-10/ts v.3