ML20005D920
| ML20005D920 | |
| Person / Time | |
|---|---|
| Site: | 07000925 |
| Issue date: | 12/12/1989 |
| From: | Stauter J CIMARRON CORP. |
| To: | Sjoblom G NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS) |
| References | |
| 0091S, 26186, 91S, NUDOCS 9001020266 | |
| Download: ML20005D920 (7) | |
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,dttinow CIMARRONCORPORATION g
DOCKET CLERK P O tox 25865
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w December 12, 1989
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Mr. Glen L.-Sjoblom, Deputy Director mu[sI[non
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Division of Fuel Cycle, Medical, t
DocKErmag Academic and Commercial Use Safety N
U.S. Nuclear' Regulatory Commission Washington, D.C, 20555 RE:
License SNM-928; Docket 70-925 Amendment Request:
Onsite Disposition of Uranium Containing Soils. Meeting NRC Branch Technical Position Option 2 Criteria
Dear Mr. Sjoblom:
During our December 1,
1989 meeting with you and your
- staff, Kerr-McGee agreed to perform additional subsurface soil sampling at-
'the Cimarron Facility.
Attached for your information is a - copy of' the sampling protocol for this effort.
We began the program on Monday, December 11, 1989.-
Sincerely, J.C. Stauter, Director Environmental Affairs JCS:gw-Attachments cc:
Don-Srenjawski, NRC Region III James Berger, ORAU pro) d r i
0091s 9001020266 991212 PDR ADOCK 07000925 C
PNU ggN Np/h A SUBSIDIARY OF KEMAl*GEECOMPOM4TEW f
I CIMARR0N FACILITY SPECIAL SAMPLING PROTOCOL DECEMBER 1989 INTRODUCTION At the December 1,
- 1989, meeting between the Nuclear Regulatory Commission and Kerr-McGee Corporation, Kerr-McGee agreed to conduct a special sampling and excavation program to evaluate further subsurface uranium contamination at the ' Cimarron Uranium Facility.
This protocol addresses the sampling portion of that evaluation.
Kerr-McGee will sample comprehensively a selected portion of the site and perform random sampling over the potentially impacted area.
The excavation process will be discussed in a separate procedure.
EXCAVATION AREA SAMPLING A demonstration area for excavation was selected just north of the Uranium Plant Yard and east of the Coal R6D Plant.
Sixteen sample locations were selected within a
30m x
30m area at 10m grid intervals.
The locations are specified in Table 1
and shown in Figure 1.
Soil samples will be collected at 2 foot intervals to a i
depth of 20 feet.
Each sample will be analyzed for total uranium activity using the Cimarron Facility gamma spec.
analysis system.
Ten percent of the samples will be analyzed for K-40, U-238, U-235, U-234, Th-232, Ra-226 and Ra-228 activity.
RANDOM SAMPLING An area potentially contaminated from previous uranium operations at the Cimarron F ac.ility was defined.
This area is shown in Figure 2 j
and is bounded by a
broken
- line, with each corner coordinate indicated in parentheses.
Twenty sample locations selected radomly are specified in Table 2 and shown in Figure 2.
Soil samples will be collected at 2
foot intervals to a depth of 20 feet.
Each sample will be analyzed for total uranium activity using the Cimarron Facility gamma spec.
analysis system.
Ten percent of the samples will be analyzed for K-40, U-238, U-235, U-234, Th-232, Ra-226 and Ra-228 activity.
, GAMMA LOGGING Each of the boreholes will be gamma 1cgged at two foot intervals corresponding to soil sample locations.
Count rate data will be evaluated relative to the uranium concentration results.
(DEC 1989)
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TABLE'1 CIMARR0N FACILITY EXCAVATION AREA SAMPLING LOCATIONS DECEMBER 1989 SAMPLE GRID LOCATIONS SAMPLE NO.
NORTil (METERS)
EAST (METERS)
E-1 170 110 E-2 160 110 E-3 150-110 E-4 140 110 E-5 170 120 E-6 160 120 E-7 150 120 E-8 140 1 ? -)
E-9 170 130 E-10 160 130
'E-11 150 130 E-12 140-130 E-13 170 140 l
E-14 160-140 E-15 150 140 E-16 140 140 l-0089s
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. TABLE 2 1
CIMARR0N FACILITY RANDOM SAMPLING LOCATIONS DECEMBER 1989 1:
l-SAMPLE GRID LOCATIONS SAMPLE NO.
NORTH (METERS)
EAST (METESq; R-1 273 188
,R-2 133 123 R-3 46 112 l
R-4*
17-81 1
R-5 215 123 h
R-6 23 123 l
R-7 212 119 R-8 176 207 l-R-9 58 172 L-R-10 65 33 l
R-11 291 111 L
R-12 32 151 R-13 164 280 R-14 6
136 R-15 10 60 R-16 221 135 R-17 186 144 R-18 162 175
-R-19*
121 135 R-20 5
158 A
Original random location was not accessible, replaced with next random location generated.
0089s
FIGURE 1
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