Assessment of Data Needs for Vadose Zone Hydraulic ...
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Assessment of Data Needs for Vadose ZoneHydraulic Properties Database
Prepared for the U.S. Department of EnergyAssistant Secretary for Environmental Management
Contractor for the U.S. Department of Energyunder Contract DE-AC06-08RL14788
P.O. Box 1600 Richland, Washington 99352
Approved for Public Release; Further Dissemination Unlimited
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Assessment of Data Needs for Vadose Zone HydraulicProperties Database
Date PublishedAugust 2020
To be Presented atAssessment of Data Needs for Vadose Zone Hydraulic Properties Database
Department of Energy, Richland OfficeRichland, WA
05/28/2020
Prepared for the U.S. Department of EnergyAssistant Secretary for Environmental Management
Contractor for the U.S. Department of Energyunder Contract DE-AC06-08RL14788
P.O. Box 1600 Richland, Washington 99352
Copyright License By acceptance of this article, the publisher and/or recipient acknowledges the U.S. Government's right to retain a non exclusive, royalty-free licensein and to any copyright covering this paper.
Release Approval Date
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By Lynn M. Ayers at 1:47 pm, Aug 19, 2020
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Assessment of Data Needs for Vadose Zone Hydraulic Properties Database
Presented by: Sunil Mehta and Raz Khaleel, INTERA Inc.Presented to: Department of Energy, Richland Office (DOE-RL)Date: May 28, 2020
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Terms
• CCUg: Cold Creek unit gravel-dominated unit
• CCUz: Cold Creek unit silt-dominated unit
• CERCLA: Comprehensive Environmental Response, Compensation and Liability Act
• CIE: Cumulative Impact Evaluation
• DQO: Data Quality Objectives
• Hf2: Hanford formation unit 2
• HF3: Hanford formation unit 3
• HSU: Hydrostratigraphic Unit
• EHM: Equivalent Homogeneous Media
• LLWMA: Low-level burial ground waste management area
• RCRA: Resource Conservation and Recovery Act
• SAP: Sampling and Analysis Plan
• VZ: Vadose Zone
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Why Do We Need A Credible Hydraulic Properties Database?
• Site-specific CERCLA and RCRA investigations
• Performance Assessments
• Cumulative Impacts Analysis
• Composite Analysis
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Modeling Approaches to Represent Heterogeneity
Anisotropic Equivalent Homogeneous Medium (EHM) model for each
HSU
Small, core-scale Variability Explicitly
Considered for each Hydrostratigraphic unit
(HSU)
Source: Yeh et ai , 2015, flo w Through Hii.t.'7'0gtm"DllS G«Jf.ogic .\l"dia .
Figure 1. Heterogeneous Geologic Outcrop in the 200 East Area
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EHM Modeling Approach to Represent Heterogeneity
An EHM .model integrates ...
Core scalle measurements
"' Upscaling1
-Macroscopic anisotropy
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Concept of Moisture-Dependent Anisotropy
Media heterogeneity (and the resulting variability in unsaturated K) induces variable moisture-dependent anisotropy in the field
1'.,IDA. ' \ J \ , \ I'-. \ I \ I
\ , , ' ., ' .,.. ~--
l
So11ree: Yeh et al.., 20 l 5,""'Flo!.1i''il"hr~ Het ero.ge:neom1Geokt~c Mediil .. "''
Note, The: E!Dgl ~ofthMed ,an-ow; deillo t e11JJ1g11illlEiofUll!ia.turated h}'dralific ,concfloot il.iity m e•horiz.ont aldirec -0111 (K1J1:md:ill e,;,•m iaiidir,ectio111(K ) ,at e pressm-e head ,oft hl! gi:11.ren !ocatkm..
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Upscaling of Hydraulic Properties for EHM Models for Hf2 Sand Unit in 200 East Area
This approach has undergone numerous peer reviews and regulatory reviews and has been accepted
i 10 -.I )<
! - X (a) Sand-Dominated (a) Sand-Dominated
1.E+OS ~
X -Low Anisot ropy
X
·i X ••••• Intermediat e Anisotropy
i - x '0 ,, x-"' ., :r ·- )( -., 5 ·-- X X -..., "'
1.E+04 r-
- - - High Anisotropy --- ------------- -~ 1.E-1-03 - ---0 --... -... -~ •- .... X - :t X -
Cl. .. .. . )( - X -
• ... )< • 1< t x -- ... . • * x--· .. .... ,..
0 .1 )( ■ • Ill>- Ii"'
0 0.1 0.2 0 .3 0.4 0.5 0.6 0.7 0 .8 0.9 l
Effective Saturatio n
0 ,,, "'
,,, ·c ,,, <( 1.E+02 r-
, --------, __ ,.. ____ __ , --------------, ---------, ------· ---
1.E+01 I --r
1.E+OO
,,, I I I
0 2 4 6 8 10 Note: The symbols represent data for the 44 samples and the solid curve is the effective retention curve. Pressure Head (-m)
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Uncertainty in Vadose Zone Hydraulic Properties and Propagating Uncertainty in System-Scale Models
1.00E-01
1.00E-02
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i\la!Iic Polen rial for H2 Unit. Red line indicates the Composite rune US<'cl in the Base Case.
H2 Unit
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l .OOE-05
l .OOE-06
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K_sat (cm/s)
H2 Unit
10 100 1000 10000
Matric Potentia l (cm)
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Overview of Currently Used Database of Vadose Zone Hydraulic Properties
• CP-63883 provides the latest available internally consistent database of VZ hydraulic properties.
• Compilation based on laboratory measurements of hydraulic properties over past three decades.
• Not all laboratory data sets used due to perceived quality issues.
• The relative amounts of gravel, sand, and mud (silt and clay) impact the hydraulic property of a bulk sediment sample in a fundamental manner.
• Natural variability exists in gravel, sand, and mud content. It is therefore important to understand and quantify this spatial variability and uncertainty in VZ parameters for each HSU.
CP-63883 Revision 0
Vadose Zone Flow and Transport Parameters Data Package for the Hanford Site Composite Analysis
Document Type: DP
R. Khaleel INTERA. Inc.
Program/Project: EP&SP
Oat• P\lbish~ April 2020
Prepared for the U.S. Department of Energy Assistant Secretaiy for Environmental Management
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Hydraulic Properties Sediment Sampling Sites –Part 1 of 2
12 sampling locations18 sampling locations
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Hydraulic Properties Sediment Sampling Sites –Part 2 of 2
River Corridor Samples used for Gravel-Dominated Units in 200 East Area
12 sampling locations
06, Mi,__ _ ,as, w CE200 :..j. C6208
'---
1991-82-U
I ' 199s84 I 1·
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,-.
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I 0
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Assessment of 200 East Area Parameters
= More samples needed to get representative dataset for EHM modeling
Based on 100 Area samples
HSI:
BackfiJ]
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Hf2 ' "'( m~~
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Table 12. Bff,eotive Soil Moisture Ret,e111tion Parameter Estimates for the 200 East .Area Hydrostratig1ra:phic Units
~umber Gf 9s~ 8re a. e Ile
Sample s• Data Sourc,e s (cm3/cm ) (cm 3/cm3) (11cm ) (-)
25 RPP-20621 , PNNL-22886 0.1 -4 0 .0038 0 .08859 1.2 l
L WHC-EP-0883 0.46" 08 0 .. 04046 0 .] 04 35 1.3399
25 RPP-20621 , PNNL- 2886 0.1 -4 0 .0038 0.08859 1.2 l
4-4 RPP-2062] 0.3838 0 .0290 0 .06.419 l.169
25 RPP-20621 , PNNL-22886 0 .17-4 0 .0038 0 .08859 1.2 1
1] WHC-EP-0883 , Khalee] et al (l 995) , 0.39·94 0 .. 05421 0 .00633 1.830 PNNL-2 846 , WHC-EP- 0645
i!>Son and Lu sit,e Zhang and Khalee] (20 IO) 0.3001 (}.0393 0 .0482 1.925 unit E samplesb
25 RPP-20621 , PNNL-22886 0.1 4 (}.0038 0 .08859 1.271
25 RPP-20621 , PNNL-22886 0.1 4 0 .0038 0 .08859 1.2 1
1] WHC-EP-0883 , Khaleel et al (199'5) 0.3994 0.05421 0 .00633 1.830 PNNL-2 846, W HC-EP- 0645
25 RPP-20621 , PNNL-22886 o.r 4 (}.0038 0 .08859 1.271
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Assessment of 200 West Area Parameters
= More samples needed to get representative dataset for EHM modeling
Table 14. Effective s0·1 Mlo·stur,e Ret,e111t ion Par:ameter Estimates for t:he 200 W,estArea Hyd'rostirat:igraphic Units
. ·umbei· of ilse a~e C1e lie
HSU Sa m~ sa Data So,nrce,; , cm'3/cm3} , cm 3/cm3) {11cm) (-)
BacJ::fi:U / n ~ WCH-464, WH C-EP-0883 , WHC-EP-0645 0.19 1 00153 0 .018 ' 1.3 83
Ha11fordformat io11 unit 1 I H WCH-464 WHC-EP-0883 , WHC-EP-0645 0 .1917 O.o153 O.OI87 1.3783 \
Ha11foroformatio11 unit 2 I u o \ WGH-464, \\ HC-EP -0883 0.4009 0 .0428 0 .0106 1.6693
Ha11ford format io11 unit 3 H WCH-464 WHC-EP-0883 , WHC-EP-0645 0 .1917 O.o153 O.OI87 1.3783
Cold Ct·eek u:u.iit silt H \VHC-EP -0883, Khalee et at (1 9'95) , PNNL -27846 WHC-EP -0645 0.3994 0.0542 0.00633 1.830
Cold Creek un.iit caliche 8 WHC-EP -0883 , Khaleeletal (1 995) 0 .3236 0 .0639 0.007925 L56421
Rv.ie ]O \VHC-EP -0883 0 .17056 0.0 1666 0.02420 1.454662
Rtf 6 I PNNL-27846 , Khaleel et al (1995) , WHG-EP-0883 0 .3098 0.047133 0.04559 1.5230
R.ingo,ld lowe,r murl! \ H I WHC-EP -0883, Khaleelet at (1 995) , PNNL-27846 WHC-BP-0645 0.3994 0.0542 0.00633 1.830
Rwia \. ]O / WHC-EP-0883 0 .17056 0.0 1666 0 .. 024207 1.454662
-
0
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Presentation Outline on VZ Hydraulic Properties
• Overview of EHM modeling approach• Overview of current hydraulic properties database• Initial assessment of hydraulic properties data gaps• Planned hydraulic properties evaluation in recently
completed SAPs• Recommendations for hydraulic properties evaluation for
ongoing SAPs (opportunistic sampling) • Planned activities for FY 21• Summary
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Areas where Hydraulic Property Data Gaps Exist Based on Current Knowledge and Future Work
= Areas with Known Data GapsNeeds based on CERCLA/RCRA/PA at:Tank Farms, BC cribs, LLWMAs (among other sites)
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Sampling Approach, Laboratory Experiments, and Hydraulic Properties Parameter Estimation
Sampling & Archiving:– Intact split spoons (Lexan Liners)
– Collect samples and archive them. Provides flexibility to perform experiments when funding is available.
– Follow procedures documented in 200-DV-1 SAP Addendum
Laboratory Analysis:– Measure Moisture content as a function of Pressure Head
– Measure Unsaturated hydraulic conductivity as a function of Pressure Head
– Measure Saturated hydraulic conductivity
– Grain size distribution, gravel content, bulk density, and porosity
Parameter Estimation:– Effective saturated and residual moisture content
– van Genuchten parameters (effective)
– Effective saturated hydraulic conductivity (directional dependence)
– Pore-connectivity tortuosity (directional dependence)
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Planned Hydraulic Properties Evaluation at WMA C (SAP: DOE/RL-2019-31)
DOE/RL-2019-31 Draft A
SAMPLING AND ANALYSIS PLAN FOR CHARACTERIZATION OF GROUNDWATER MONITORING WELLS 299-E27-27, 299-E27-40 AND 699-43-43B
299-E27-4 fWMA-C
299-E27-40~ 2
~ Non-Compliant Decommissione<i Monitoring \Nells
• Planned Groundwater Monitoring VI/ells
⇒ Groundwater Flow Direction
D 200 East Area
Groundwater Interest Area Bounary
Faci lity
~ Waste Sttes
Roads 300 6)() m
1,000 2,000 n CHSGW20180514
>
Figure 1-2. Location Map of WMA C, 216-B-3 Pond, and Planned Groundwater Monitoring Wells 299-E27-40, 299-E27-27, and 699-43-43B in the 200 East Area
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Planned Sampling for Hydraulic Properties at WMA C (299-E-27-40)
7 Samples for VZ Hydraulic Properties
Sampling depths (ft)
WMA-C Well 299-E27 -40
A'!"ilor SpooCr• I Depth Below
Gir'Gund Sur,ace Cbgs]
Well l99·EZ7-4 Soil Geo1PChnical Sedimeat eut,on aml
Cheml.,a l Sol l Property Waler Seive Moisture Gamma Ano l• s i$ Anoly,is Al1• lysls Analr,isis L<lgglng Log,ging Ground So-face
ml,g• ~ !:gs
- 10
5-- w
- 40
1s -- eo
- 60 20 -
-70
25 - - 80
- 90
- 125
- 150 EO -
- 17S
e;o - - 200
70 -- 225
~ 250
ao -- 275
eo - - aco
100 - - 325
- ~50 110 -
-375
I I .-I ■ -
1/ i,' , Petrn111cnt C~si ng ,, ◄ , - (4-in. stli """ , l..,I)
• i' , -~ - 1Ben10n t 1:1 SE-al ,
,' /
--: ..
-v' i,' -, .. ,
, -, = , / Benl onite Pdlet Seal
""I;; _, -Waler TaHe 276 ~ • -
~~ - ...... Sc::reen
_. !!!j.::- -Fili..r Pa<k S"nd
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~
- - ~- -~-
~
~
;::
-.. -= .. .. -= ...
- ii
i ~ - - .... ....
·.-.. · .. -.. -.. -.. , ·
Total Oep,th. 323 It bjjs
Sand to Gravell~ Sand
Sanc!f G rav el
Sand to Gra-. elly Sand
Sandy Gravel
Sa nd
Silt; s~nrj Sand
Grawel to
s~ n dy Gr~vcl
Basal t
Hanford fa rmot pn unit 3
- T77?1 -
- $<>t i AM IY>i&' Anb .... s,.,moo. ME<a!, Merwr,. TOO!I Cyonkl•. Uranium "°~""°"""'"" Bli>he•wle. pH. Ammonia. 'J<llOllla Qaanlo A ~818 (I. 1.2-Tnohbroelhyfene. 4-1,!•thfl-2-pon ..... ne. m-~ ne. 0-)(~kinD. yl;. nD,. XylPnlolli, l-but=inanQ, /ta;tong), ~ml-Vol =a.llikl Org;ani: Anat,sk; (Trb.i1rl phosph:1IP), ot;al Orp;,nbC.rooJl, Ft;adonuclkt"' (Am,Qri:ium-24 ~. Antlrn:my •2!1 . C;,rbon 14 , CGoSfum 137, Cob;,tl e.o, CurUm-244, -Eurcpum 152, - 154, -155,, Iod ine 129, Nq:,i1.11ium2l7, Nickel 63, Ph.ionium 238., F'lubiium ZJBl24[). :Plul:on iJm 241, Sl!~nl..lm 79, stn:mi'-Jm 9:1, Technetium 99, Thi:JrR.l m 22B, .2,D, ...232, Triliiir\ Urari ium2J3fl34 , Ura'llum 2J&J23ii, -238.
• PM~ Watel': Aniong,, Mei.11"£. Free- Cy.;:m ide. Techni,!ium-'9!}. pH. Specific Ccmduc ~ nC2' • w.ate-r /J.~&l)'!i-ts.": .A.nh"!i, ICP Metals., Urariu rwi, Fr~ Cya ri lc:I @.. pH , Al~alnl'f , T Uurn.99, lcldhei:,129, SeSEnlurn~79 □ Pilly•loal Pfo?fflloo; • t 0~1lt\j Une..uro...i lr/dra•I• condwr,., , "'"''''"" h)<lraYlooondo01"'1y. portlclooteo di&oribuli>n, rrolr.nn oomen, b ~..,.It)> , 1o<al po,ooty •1C>o ft tgo; Molr.un 00ffl<lnt
Aqul~f' ScdmerrtGr.:ibS.1mple5: 01;1,rtid ,:; jz,o di&1rb1Jil,;i n. ~0190135_ t
~ 100- 102.5
13,0- 132.5
160- 162.5
190- 192.5
__ 42.5-245
_ 55 -257 _5
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Planned Sampling for Hydraulic Properties at WMA A-AX (SAP: RPP-PLAN-63020)
RPP-PLAN-63020 Revision 0
Sampling and Analysis Plan for WMA A-AX Focus Area 2 (Southwestern Area of A Farm)
e f2.$-20
/ +
30 60 90 120 Feel I I I I
10 20 30 Meters
fESl_201~_0003
Figure 1-1. Study Bouucla1·y for \Vl\'1.A A-AX Focus Area 2
DecommiSSJOr.d Dry~II
CH2MHILL
e 1:.2s-93
1r:::::} r,ni,; Fa,m Feneellne - -Ing
Assumed Leal<e,
Tani< Pipeline
~ Dlv•rslonNatv'l(I Bo•
~ Stngle-Shell Tank
c::::J 200-1::-286 Dlleh
D e""°" ~--_-~ Conc,ete Colar
"299-' .... !1Prnfi10mitted
Plateau Remediation Company a Jacobs company
21
SGW-65295-VA, Revision 0
Planned Sampling for Hydraulic Properties at WMA A-AX (D0012)
5 to 8 Samples for VZ Hydraulic Properties
Figure 5-1. Visual Rep1·5entation of Anticipated Sampling Depdts at tl1e Large Diameter Borehole
Siratig raphic Column from 2!111--E25-4G
0
~ 12
· ~(Sh
Hanford fonnation unit 2: 100 • 272 fl bgs
Colloclllcl In tho fljjld
Lab Direction
lo•• p(h)
.._ I.MaD
i<
l .._
., &Mac "'
-..... s-
• lntaQ Co-re Samples in Le~an L.iners Shipped to PNNL.
i :s ::
11
" -~ :;
.,
.! =
;;;
! " ;
i .,
- Intact Dore Samples in Lexan Liners for Slandard Analysasb
XII)-~~~
ft bgs - reet below growld surface
Now: Typically Iner E Yilll be used for standard analyses. The laboratory may select an allemate liner based on obsllMltlons ol sorl Cl1aracterlstlcs.
a . Each intact co,re sample in1erval is 5 ft in lenglll and produces five, 1-fl intact core ~amples in Lexan liners. b. staMard analyse$ are iclenli ,ed in Table !>-2.
c. Soi l recovered in 1tle $hoe wil not be collected es p,;,rt of the earn pie. Th~ ,;.oil will be discsrded in the field.
Intad c.ore samples from D00 12 will be collected from within the following major lit.hofogic units present in the vadose zone bene.ath Focu.s Area 2:
• Hanford formation unit 1 • Hanford formation unit 2 • Cold Creek unit silt • Cold Creek unit gravels ..
Additional intact core samples v.'111 be collected from depths with apparent unique physical prnperties (e.g., zones with calcium carbonate cementation) .
CH2MHILL Plateau Remediation Company
a Jacobs company
22
SGW-65295-VA, Revision 0
Additional Planned Sampling for Hydraulic Properties at WMA C and A/AX (SAP: DOE/RL-2020-10)
DOE/RL-2020-10, Sampling and Analysis Plan for Drilling Interim Remedial Action Wells in the 200-BP-5 and 200-PO-1 Groundwater Operable Units
1/IJaste Management Area C and A..AX
planned Rel&ae.es
u,ned Leaky USTs
1mion8ox
uid Waste Discharge Ctib
ndoned 284E Powedioose Ditch
-- M::ijorConlour 1.Smeter lnterva1
Minor Conloor O.J meter Interval
Contour Oepreswn
.u Remediation Company a Jacobs company
23
SGW-65295-VA, Revision 0
Additional Sampling Planned for Hydraulic Properties at WMA C and A/AX (SAP: DOE/RL-2020-10)
8 Samples for VZ Hydraulic Properties
7 Samples for VZ Hydraulic Properties
CCUz
Hf2
Sample Collection Method
Table 3-2. Sample Interval Design forWell 299-E27-157
Samplinz Durinz Drillin1
Soil Sample • Aquifer Sediment Groundwater (Depth in Feet Samples b (Depth in Samples' (Depth in Below Ground Feet Below Ground Feet Below \Vater
Surface) Surface) Table)
/ 39-41.5d~ 10 10
Post Development Sample
Groundwater Samples (Pump Location in Feet
Above the Bottom of Well Screen)
TBD
Table 3-1 Sample Interval Design for Well 299-E25-240
Sample Soil Samples •
Collection (Depth in Feet Below Method Ground.Surface)
Sampling During Drilling
Aquifer Sediment Samples b (Depth in Feet Below Water
Table)
Groundwater Samples ' (Depth in Feet Below Water
Table)
Grab/
Split spoon/ Pump
1 76.5-79d r---~ "'~{\ ---+ ---2~0~ __ 1_ .... 124-126.5 ) 45 j U ~
____ 7 40-42.5 ........
..--~ j 76.5-79 ~ Grab/ I 124:126 5_ I}
10
30
45
55
65
10
20
30
40
45
55
65
Split 186.) -188.) •
spoon/ 09-2 ~
186.5-188.5 ., 40
09-2 11.✓ 50
C35-237.5d--... '
237.5-240d ✓ ------Pump ( 2.45-247.5,
253.5-256 [\
Number of 7 - 3 --------- 5 1 I ~ 262.5-265 ~ I/ 1--s_am_p_le_s_L._ _______ +-----------'-------------="'"-.....!c_---------... ..i..,,.,..... Number of -
Number of split spoon samples
umber of grab samples
Number of water samples
Number of soil samples
Approximate number of quality control samples
7
3
6
5
As specified in Table 2-4.
a. Opportunistic split spoon collected/hydraulic soil property analysis require bulk density, grain size distribution, matric potential using filter paper, total porosity, unsaturated hydraulic conductivity and saturated hydraulic conductivity.
b. Well design grab sample/aquifer grain size analysis.
c. '.Veil design groundwater analysis for well screen placement.
d. Opportunistic soil samples for evaluation of anions.
TBD = To be determined. r
7 Samples
Number of split spoons samples
Number of grab samples
Number of water samples
Approximate Number ofField Quality Control
5 7
7
5
8
As specified in Table 2.4.
a, Opportunistic split spoon collected/hydraulic soil property analysis require bulk de1 distribution, matric potential using filter paper, total porosity, unsaturated hydraulic saturated hydraulic conductivity.
b. Well design grab sample/aquifer grain size analysis.
c. Well design groundwater analysis for well screen placement.
TBD = To be determined.
CH2MHILL Plateau Remediation Company
a Jacobs company
24
SGW-65295-VA, Revision 0
Assessment of Hydraulic Properties Data at WMA C and WMA A/AX
• Based on the sampling plans described in the current SAPs for boreholes around WMA C and A/AX, we will be analyzing about 27 to 30 samples for hydraulic properties from various depths.
• This is deemed adequate towards development of representative data set for this area.
• Will be able to estimate the variability and fit probability distribution function for uncertainty analyses.
CH2MHILL Plateau Remediation Company
a Jacobs company
25
SGW-65295-VA, Revision 0
Opportunistic Sampling for SAPs Under Development
Based on FY2021 Drilling Plans
CH2MHILL Plateau Remediation Company
a Jacobs company
26
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3 wells at LLWMA-1:299-E33-276299-E33-272299-E28-35
LLWMA-1 Integration Summary Sheet
LLWMA-1 Opportunistic Sampling Agreements
Meeting Minutes Materials
Data Gap identified:Collect samples from all three boreholes
Opportunistic Sampling at LLWMA-1
218-E-10
EE
CH2MHILL Plateau Remediation Company
a Jacobs company
27
SGW-65295-VA, Revision 0
N S
299-E33-272 is the well where we planned to collect vadose zone hydraulic properties split spoon samples. Specifically targeting the sandy Cold Creek unit and a silty zone in the Hf2.
Current Plans at LLWMA-1
See Next Slide for Planned Sampling
Opportunistic Sampling at LLWMA-1: Continued
650.0
625.0
600.0
575.0
400.0
375.0
350.0
325.0
299-E33-272 D0059
Groun;erW◄el-11--------o rrr-------Pr-op-o-se..,a * ";~w• Iii
ROCSAN GRVL PRCNT
0.00 100
ROCSAN MU D PRCNT 0.00 100
ROCSAN SND PRCNT 0 00 100
=-5-...... -e-l Ht3:194 -~-"'"""""'"' CCU:206
- 1::;;;;..~ ;;g- -1 CCUg 228
- + ---,--! Basalt:292
- ~..i.11.1.;;;;;;,--1 Basalt305
CH2MHILL Plateau Remediation Company
a Jacobs company
28
SGW-65295-VA, Revision 0
N S
Recommendation:• Collect ~14 samples from each borehole as shown; focus on
CCUz and CCUg• ~42 samples from all three boreholes
H1
H2
H3CCUzCCUg
Data Gap identified:Collect samples from all three boreholes
299-E33-28 A4852 IN-USE
Groundwater Well
• ROCSAN GRVL PRCNT
0 00 100
ROCSAN MUD PRCNT 0 00 100
•
• • • • • •
299-E33-276 D0061 __, * ...,,w,1
0 a
i ~ r i l :~ J
75
100
125
150
17i:;
~ ~ r 2001
-
299-E33-10 A6853 IN-U SE
Groundwater Well
• 0 a
Driller's Lo
28
~
,
l '
I r Jgn5
CH2MHILL Plateau Remediation Company
a Jacobs company
29
SGW-65295-VA, Revision 0
Opportunistic Sampling at 216-A-29
6 wells at 216-A-29:PW1-PW6
216-A-29 Integration Summary Sheet
216-A-29 Opportunistic Sampling Agreements
Meeting Minutes Materials
Data Gap identified
CH2MHILL Plateau Remediation Company
a Jacobs company
30
SGW-65295-VA, Revision 0
NW SE
Recommendations:
• Collect additional samples from all six 216-A-29 boreholes
• Target Hf2, Hf3, CCUz, and CCUg
• Take at least two samples per HSU leading to ~8 samples per borehole
• ~48 samples total
Additional Sampling
Opportunistic Sampling at 216-A-29: Continued
650.0
600.0
575.0
400.0
375.0
350.0
325.0
275.0
250.0
216-A-29- P'W-1 D0053
-*•o■rint-:-•--------441 rn----P-,o-po-se..,d R~ nitoiing\.\lell
0 ..
f-frltl
~---.:--1 H/3189
,1-~ a,-s--1 CCU:210 .....J.J=----- ~ :=-cc~ ~-1 CCUg220
• CH2MHILL Plateau Remediation Company
a Jacobs company
31
SGW-65295-VA, Revision 0
Opportunistic Sampling at 216-B-3
4 wells at 216-B-3:PW-1, PW-2, PW-3, PW-4
216-B-3 Integration Summary Sheet
Meeting Minutes Materials
216-8-3-2 21&-8-3-3
200 400
0 40 80 120 160 200 m
CH2MHILL Plateau Remediation Company
a Jacobs company
32
SGW-65295-VA, Revision 0
Recommendations:
• Target Hf3, CCUg, Rwia, and Ringold Mud units
• Collect at least 2 samples for each target unit at each of the four boreholes
• ~32 samples
Opportunistic Sampling at 216-B-3: Continued
575.0
450.0
425.0
325.0
300.0
275.0
216-B-3 F\\1-2 699-43-44 216-B-3 F\\1-3 RCRA39 B8758 RCRA40
P1oposed Rl* nil,.01-ing_W_•_ll-+--------l54 ---------0-EG.-c,~~n:~~!◄~t-?i--V ____ ., 4
9 ----P-1op_o_,e..,d R* niloiingWell
E
0
"
L. ·~-~~~h'.o'.e~~o~g~ ,'. :~L F
['fT: ··,.~,,,~, ·,~,.·.•·••?,·•, :,,..:. ~.:..;;.
0
"
Rwia173 WT181
Basalt232
Basalt:271 s]
CH2MHILL Plateau Remediation Company
a Jacobs company
33
SGW-65295-VA, Revision 0
6 wells at 216-A-37-1 (The integration summary only references three wells; PW-4, PW-5 and PW-6 were very recently added to the line-up)
216-A-37-1 Integration Summary Sheet
Meeting Minutes Materials
Opportunistic Sampling Near 216-A-37-1
CH2MHILL Plateau Remediation Company
a Jacobs company
34
SGW-65295-VA, Revision 0
NW SE
Recommendations:• Proposed 9 samples for PW-1 are adequate• Target Hf2, Hf3, CCU and CCUg
Opportunistic Sampling Near 216-A-37-1: Continued
675.0
650.0
625.0
600.0
575.0
550.0
525.0
500.0
475.0
450.0
425.0
400.0
375.0
350.0
325.0
300.0
275.0
225.0
216-A-37-1 PW-4 299-E25-17 216-A-37-1 PW-1 216-A-37-1 PW-5 299-E25-19 RCRA57 A6031 RCRA35 RCRA58 A4765
P1oposed R~ nit.,o,f-in-gW-•I_I --f-- ,n-----------<G►•ou~:;,W4eo-ll-------~ ,n-------P•-op_o_, •.,d R~ nit•m-ing_W_•ll------4 ,n-----P•-op-o,_•..,d R~ nit"'m-ing_W_•_" ___ ----4m---------<G►•ou~:!,well
0
" 0
" ROCSAN GRVL PRCNT
0 00 100
ROCSAN MUD PRCNT
0 00 100
0
"
25
50
75
100
125
0
"
50
] 5
100
125 §II~ Hf3145
175
200 _ __ eeYJ2fa ,!_CJ
WT280 Rlm:293 Rwia:305
0
"
0
ROCSAN GRVL PRCNT
0.00 100
ROCSAN MUD PRCNT
0 00 100
CH2MHILL Plateau Remediation Company
a Jacobs company
35
SGW-65295-VA, Revision 0
• 1 replacement RCRA monitoring well planned at B/BX/BY Tank Farm
• 6 boreholes planned at wells at 216-B-63
Recommendation:• Target 5 boreholes near B-
Farm (1 for B/BX/BY Tank Farm + 4 nearby planned boreholes for 216-B-63)
• Collect samples at high vertical resolution
• ~40 samples
Opportunistic Sampling South of B-Farm
CH2MHILL Plateau Remediation Company
a Jacobs company
36
SGW-65295-VA, Revision 0
200 West
S-10 SAP
200 West Burial
Ground SAP
Tank Farm SAP Recommendation:
• Target 2 to 3 boreholes per SAP area
• Collect samples at high vertical resolution
• ~40 samples per SAP area
Hydraulic properties for S and SX Tank Farms need to be added to the SAP
Opportunistic Sampling in 200-West Area: Three SAPs
2MHILL n CH diation Compa Y Plateau Reme aJacobscompa11y
37
SGW-65295-VA, Revision 0
Presentation Outline on VZ Hydraulic Properties
• Overview of EHM modeling approach• Overview of current hydraulic properties database• Initial assessment of hydraulic properties data gaps• Planned hydraulic properties evaluation in recently
completed SAPs• Recommendations for hydraulic properties evaluation for
ongoing SAPs (opportunistic sampling) • Planned activities for FY 21• Summary
CH2MHILL Plateau Remediation Company
a Jacobs company
38
SGW-65295-VA, Revision 0
FY 21 Plans as Part of CIE Project Execution
Vadose Zone Hydraulic Properties Evaluation for FY 21
Assess Data Gaps in Hydraulic Properties for VZ Assess data gaps spatially and by each HSU in a more rigorous manner
Update VZ Parameter Data Package with recommendations to maintain site-wide hydraulic
properties database
Develop recommendations and update the VZ Flow and Transport Parameters Data Package for the Hanford Site Composite Analysis.
Perform DQOPerform DQO to formalize the sampling approach per the recommendations of the data package that can be used by all the future SAPs
Complete SAPStandardize data needs, sampling approaches, and testing methodsGet concurrence from DOE and regulators.
CH2MHILL Plateau Remediation Company
a Jacobs company
39
SGW-65295-VA, Revision 0
Summary of Recommended Sampling for VZ Hydraulic Properties: To Support FY 20 and FY 21 Drilling Campaigns
Locations Number of Samples Already Planned/RecommendedWMA C 14 Seven samples each at 299-E27-40 and 299-E27-157
WMA A/AX 13 to 16 5 to 8 samples at D0012; 8 samples at 299-E25-240
LLWMA-1 42 Target 14 samples from each of the three boreholes
216-A-29 48 Target 8 samples from each of the six boreholes
216-B-3 32 Target 8 samples from each of the four boreholes
216-A-37-1 9 Target one borehole (PW-1)
B-Farm 40 Target one borehole for B/BX/BY Tank Farm + 4 nearby boreholes for 216-B-63
200 West LLBG 40 Focus around Trench 31 and 34
200 West Tank Farms 40 T/TX/TY and U Tank Farm
S/SX Tank Farm 20 to 25 Include as part of 200 West Tank Farm SAP
200 West S-10 40 Focus on spatial coverage
CH2MHILL Plateau Remediation Company
a Jacobs company