DRC-2010-003266 - 0901a0688018c930

DRC- 2010-00-
Rio Algom Mining LLC
May 19, 2010
Certified mail
Return Receipt (7001 0100 0002 9977 4981)
Mr. Dane L. Finerfrock, Director
Division of Radiation Control
Utah Department of Environmental Quality
168 North 1950 West
PO Box 144850
Salt Lake City, UT 84114-4850
Re: License UT 1900481
Probable out of Compliance Status - Monitor Well RL-1
Lisbon Sampling Event - April 2010
Dear Mr. Finerfrock,
Please be advised that the latest sampling results for monitor v/ell RL-1
indicate that the well status is probable out of compliance according to
paragraphs 53. A and B of the above referenced license. Attached v^^ith this
letter are the laboratory results from Energy Laboratories and ACZ
Laboratories. An average uranium value of 43.8 mg/L was obtained from four
analytical results. The Uranium Target Action Level for this trend well is 42.1
mg/L.
Rio Algom Mining will commence sampling RL-1 on a quorteriy basis for at
least two quarters, per paragraph 53.C{2), unless otherwise directed by the
Executive Secretary.
If you have any questions or need additional Information, please call me at
505-287-8851 ext 15.
Sincerely,
Chuck Wentz
Radiation Safety Officer
Environmental Department Supervisor
Attachment: As stated
cc: L. Morton (DRC)
P.O. Box 218, Grants, NM USA 87020 - Tel: [phone] - Fax: [phone]
ENERGY LABORATORIES, INC. * 2393 Salt Creek Hwy * PO Box 3258 * Casper, WY 82602
^M^M^!^ 888.235.0515 * 307.235.0515 * FAX [phone] * www.energylab.com
LABORATORY ANALYTICAL REPORT
Client: Rio Algom Mining Corporation LLC
Project: 10-29
Lab ID: CI 0050031-009
Client Sample ID: RL-1
ReportDate: 05/17/10
Collection Date: 04/29/10 09:05
DateReceived: 05/03/10
Matrix: Groundwater
Analyses Result Units Qualifiers RL
MCU
QCL Method Analysis Date / By
MAJOR IONS
Bicarbonate as HC03
Chloride
Sulfate
1160
675
4410
mg/L
mg/L
mg/L
A2320 B 05/06/10 17:43 / dvg
E300.0 05/09/10 06:05/Ijl
E300.0 05/09/10 06:05 / Ijl
PHYSICAL PROPERTIES
Solids, Total Dissolved TDS @ 180 C 8540 mg/L 30 A2540C 05/03/10 15:19/Ir
METALS - DISSOLVED
Arsenic
Molybdenum
Selenium
Uranium
0.003
10.4
0.067
44.1
mg/L
mg/L
mg/L
mg/L
0.001
0.1
0.001
0.0003
E200.8
E200.8
E200.8
E200.8
05/05/10 03:59/ts
05/05/10 03:59/ts
05/05/10 03:59/ts
05/05/10 03:59/ts
Report
Definitions:
RL - /Vnalyte reporting limit.
QCL - Quality control limit.
D - RL increased due to sample matrix interference.
MCL - Maximum contaminant level.
ND - Not detected at ttie reporting limit.
Page 10 of 28
ENERGY LABORATORIES, INC. *2393 Salt Creek Hwy * PO Box 3258 * Casper, WY82602
^MMMil^ Toll Free 888.235.0515 *307.235.0515 * FAX [phone] * www.eiKrgylab.com
LABORATORY ANALYTICAL REPORT
Client: Rio Algom Mining Corporation LLC
Project: 10-29
Lab ID: CI 0050031-018
Client Sample ID: RL-1 A
ReportDate: 05/17/10
Collection Date: 04/29/10 09:05
DateReceived: 05/03/10
Matrix: Groundwater
Analyses
MCU
Result Units Qualifiers RL QCL Metiiod Analysis Date / By
METALS - DISSOLVED
Uranium 43.8 mg/L 0.0003 E200.8 05/07/10 02:04 / ts
Report
Definitions:
RL - /Analyte reporting limit.
QCL - Quality control limit.
MCL - Maximum contaminant level.
ND - Not detected at the reporting limit.
Page 19 of 28
Laboratories, inc.
2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 •-.-.-J** ••• -J
Rio Algom Mining Company
Project ID: 58158
Sample ID: RL-1A
ACZ Sample ID: L81954-03
Date Sampled: 04/29/10 10:17
Date Received: 05/05/10
Sampie Matrix: Ground Water
Metals Analysis
Uranium, dissolved M200.8 ICP-MS 05/12/10 19:42
REPIN.02.06.05.01
Page 4 of 12
Laboratories, Inc.
2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493
Rio Algom Mining Company
Project ID: 58158
Sample ID: RL-1B
ACZ Sample ID: L81954-04
Date Sampled: 04129110 10:17
Date Received: 05/05/10
Sample Matrix: Ground Water
Metals Analysis
Uranium, dissolved M200.8 ICP-MS 43.80 mg/L 0.05 0.3 05/12/10 19:45 msh
REPIN.02.06.05.01
Page 5 of 12