ENS 41171
ENS Event | |
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22:35 Nov 2, 2004 | |
Title | 24 Hour Bulletin 91-01 Report Involving Tanker Truck Assay Results Exceeding Values |
Event Description | DESCRIPTION:
11/2/04 at 1735 the Plant Shift Superintendent (PSS) office was notified of a tanker truck located outside the east corner of the X-700 has uranium results at 322.0 +/- 64.4 PPM and 4.87 +/- 0.49 U-235 assay. No NCSA applies to this operation. This is reportable per NRCB 91-01 as a 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> event. SAFETY SIGNIFICANCE: Very Low Safety Significance. The amount and concentration of uranium involved cannot possibly achieve a critical configuration. POTENTIAL CRITICALITY: There are no criticality pathways involved due to the limited mass and concentration of material. CONTROLLED PARAMETERS: No NCSA was established for this operation, so there are no control parameters. However, the limited mass and concentration of the solution does not warrant double contingency control because a criticality is not credible. NUCLEAR CRITICALITY SAFETY CONTROLS: No NCSA controls were established for this operation. CORRECTIVE ACTIONS: Upon discovery the PSS office directed entering an anomalous condition. Additional samples are being taken to confirm results. Contents of tanker are to be removed. |
Where | |
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Portsmouth Gaseous Diffusion Plant Piketon, Ohio (NRC Region 2) | |
License number: | GDP-2 |
Reporting | |
Response | |
Time - Person (Reporting Time:+14.6 h0.608 days <br />0.0869 weeks <br />0.02 months <br />) | |
Opened: | James Mccleery 13:11 Nov 3, 2004 |
NRC Officer: | Arlon Costa |
Last Updated: | Nov 3, 2004 |
41171 - NRC Website
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Portsmouth Gaseous Diffusion Plant with Response | |
WEEKMONTHYEARENS 411712004-11-02T22:35:0002 November 2004 22:35:00
[Table view]Response 24 Hour Bulletin 91-01 Report Involving Tanker Truck Assay Results Exceeding Values 2004-11-02T22:35:00 | |