DRC-2011-007856 - 0901a068802b155f

State of Utah
GARYR HERBERT
Governor
GREG BELL
Lieutenant Governor
Department of
Environmental Quality
Amanda Smith
Executive Diree tor
DIVISION OF RADIATION CONTROL
Rusty Lundberg
Director
C--201 1-007527
DRC-2011-007856
TO
FROM
DATE
SUBJECT
Phil Goble pj^^ fOZO ^ I
Dean Henderson y^^^^
October 17 2011
Split Samphng of Tailing Cell Monitonng Wells
Denison Mines (USA) Corp
White Mesa Uranium Mill near Blanding Utah
On October 3 and 4 2011 Utah Division of Radiation Control (hereafter DRC ) staff Dean
Henderson split sampled four tailing cell monitoring wells at Denison Mines (USA) Corp
(hereafter DUSA ) dunng the 4*^ Quarter 2011 tailing cell groundwater monitonng event
Tanner Holiday and Gamn Palmer were the DUSA staff performing the monitonng and sampling
for this event A report on DRC sample results and companson with DUSA sample result will be
completed after the 4*'' quarter 2011 groundwater monitonng report is submitted lo DRC on
March 1 2012
The Four monitonng wells sampled were MW 14 MW 31 MW 35 and MW 36 A duplicate
sample of MW 35 was collected and is identified as MW 70 After observing the DUSA staff
perform the sampling and monitonng it appears they appropnately followed White Mesa Uranium
Mill Ground Water Monitoring Quality Assurance Plan (hereafter QAP )
It was observed that DRC staff was measunng field parameters (pH conductance Temperature
Eh and turbidity) dunng the last few gallons of completing the purge on two well volumes
Although the 2 required well volumes were purged it is difficult to determine if the parameters
were stabilized before sample collection This issue was discussed with Mr David Turk dunng
the closeout meeting Mr Turk explained that m the past parameters were measured throughout
the purge and all field parameters stabilized with the exception of turbidly So to stay in
compliance with QAP requirements for stable parameters they are now measunng field
parameters dunng the last few gallons of the purge It is recommended because 1) DUSA is
field filtenng for metals and radiologics and 2) turbid waters do not influence the chemistries in
all other contaminants that the QAP be modified to remove turbidity as a required field parameter
to help demonstrate that enough water has been purge from the well pnor to sampling
Also during the inspection Gamn Palmer showed DRC staff the new monitor wells south of Cell
4B Every new well surface completion had a locked protective cover (see photographs m
Attachment 1)
195 North 1950 West Salt Lake City UT
Mailing Address PO Box 144850 Salt Lake City UT 84114 4850
Telephone (801) 5^6 4250 Fix [phone] TDD [phone]
d q t hg
P t d 100/ y 1 d p pe
Page 2
Attachment 1
Photographs of New Surface Completions
Momtonng Well DR 9
Monitonng Well DR 15
© EBERLIIM
SERVICES
EBERLINE ANALYTICAL CORPORATION
601 ScARBORO ROAD
OAK RIDGE TENNESSEE 37830
PHONE (865) 1*81-0685
FAX (865) U85-i*6Z\
BBS OR 32973
November 17 2011
Dean Henderson
UTAH Division of Radiation Control
195N 1950 W
SaltLakeCity UT84116
CASE NARRATIVE
Utah Certified - NELAP Accredited
Work Order #11 10092 OR
SAMPLE RECEIPT
This work order contains five water samples received 10/12/2011 These samples were analyzed for
Gross Alpha
CLIENT ID
MW31
MW 35
MW 70
MW 36
MW 14
LAB ID
11 10092 04
11 10092 05
11 10092 06
11 10092 07
11 10092 08
ANALYTICAL METHODS
Gross Alpha was performed using EPA Method 900 0 Modified
ANALYTICAL RESULTS
Combined Standard Uncertainty is reported at 2 sigma value
GROSS ALPHA
Samples demonstrated acceptable results for Gross Alpha activity Due to high total solids content all
sample resuhs demonstrated slightly high detection limits The Gross Alpha method blank demonstrated
acceptable results Results for the Gross Alpha duplicate demonstrated an acceptable relative percent
difference and normalized difference Results for the Gross Alpha laboratory control sample
demonstrated an acceptable percent recovery
Page 1 of2
CERTIFICATION OF ACCURACY
I certify that this data report is in compliance with the terms and conditions of the Purchase Order both
technically and for completeness for other than the conditions detailed above Release of the data
contained in this hard copy data package and in the electronic data has been authorized by the cognizant
project manager or his/her designee to be accurate as verified by the following signature
M R McDougalf
Laboratory Mana;
Date 11/17/2011
Page 2 of 2
Printed 11/17/2011 1 29 PM Page 1 of 1
Eberline Analytical
Final Report of Analysis
Report To Work Order Details
Eberline Analytical
Final Report of Analysis
Dean Henderson SDG 11-10092
11 6179 Eberline Analytical
Final Report of Analysis
Utah Division of Radiation Control Purchase Order
11-10092
11 6179
"AL"
Eberline Analytical
Final Report of Analysis 195 N 1950W Analysis Category ENVIR0NMEN1 "AL"
Eberline Analytical
Final Report of Analysis
Salt La keCity UT 84114 Sample Matrix WA
Lab
ID
Sample
Type
Client
ID
Sample
Date
Receipt Analysis
Date Date
Batch
ID Analyte Method Result CU CSU MDA Report
Units
11 10092 01 LCS KNOWN 10/20/11 OOOO 10/12/2011 10/31/2011 11 10092 Gross Alpha EPA 900 0 Modified 312E+02 1 34E+01 pCi/l
11 10092 01 LCS SPiKE 10/20/11 OOOO 10/12/2011 10/31/2011 11 10092 Gross Alpha EPA 900 0 Modified 2 97E+02 7 68E+00 3 33E 01 4 51E01 pCi/1
11 10092 02 MBL BLANK 10/20/11 OOOO 10/12/2011 10/31/2011 11 10092 Gross Alpha EPA 900 0 Modified 2 64E 02 6 33E 02 6 34E02 1 46E 01 pCi/l
11 10092 03 DUP MW 31 10/03/11 13 40 10/12/2011 10/31/2011 11 10092 Gross Alpha EPA 900 0 Modified 9 58E+00 4 24E+00 4 37E+00 4 61E+00 pCi/l
11 10092 04 DO MW 31 10/03/11 13 40 10/12/2011 10/31/2011 11 10092 Gross Alpha EPA 900 0 Modified 7 94E+00 4 56E+00 4 64E+00 7 09E+00 pCi/i
11 10092 05 TRG MW 35 10/03/11 14 35 10/12/2011 10/31/2011 11 10092 Gross Alpha EPA 900 0 Modified 6 56E+01 211E+01 2 23E 01 5 32E+00 pCi/l
11 10092 06 TRG MW 70 10/03/11 17 00 10/12/2011 10/31/2011 11 10092 Gross Alpha EPA 900 0 Modified 2 09E 01 9 92E+00 1 02E+01 3 68E+00 pCi/l
11 10092 07
11 10092 08
TRG MW 36 10/03/11 15 20 10/12/2011 10/31/2011 11 10092 Gross Alpha EPA 900 0 Modified 211E 01 1 31E 01 1 33E+01 1 79E+01 pCi/l 11 10092 07
11 10092 08 TRG MW 14 10/04/11 09 20 10/12/2011 , 10/31/2011 11 10092 Gross Alpha EPA 900 0 Modified 7 29E+01 2 15E-K)1 2 29E+01 1 2 29E+01 pCi/i
CU Counting Uncertainty CSU Combined Standard Uncertainty (2-sigma) iVIDA Minimal Detected Activity LCS Laboratory Control Sample MBL-Blanl( DUPsDuplicate TRG-Normal Sample DO Duplicate Original
S)^EBE:RI-INE:
SERVICES
EBERLINE ANALYTICAL CORPORATION
601 SCARBORO ROAD OAK RiDGE TN 37830 865/A8I-0683 FAX 865//*83-462l
Lionville Laboratory Use Only Custody Transfer Record/Lab WorMtequest Page of
FIELD PERSONNEL COMPLETE ONLY SHADED^EAS ^^^ 10092 €>/vL/
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