PNO-IV-97-056, on 971016,radiography Event Occurred.Both Radiographer & Assistant Approached Device While Shutter in Open Position.Exposure Device Contained 190 Ci Ir-192 Source.Rso Expects to Receive Badge Analysis Results
| ML20198J969 | |
| Person / Time | |
|---|---|
| Site: | 03017129 |
| Issue date: | 10/20/1997 |
| From: | Jonathan Montgomery, Wenslawski F NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | |
| References | |
| PNO-IV-97-056, PNO-IV-97-56, NUDOCS 9710220299 | |
| Download: ML20198J969 (1) | |
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l 1 Octobor 20,1997 l 1
'fflELlMINARY_NO.TJDCM10N OF EVINT OR UNUSDAL OCCURRENCE PNO IV 97 050 This preliminary notification constitutes EARLY notice of events of POSSIBLE vafety or public interest significance. The information is as initially received without verification or ovaluation, and is basically all that is known by Region IV staff in Arlington, Texas on this date.
EAEllY l llG10Lt93m91990ELClassiflER1[pa Cti, Inc. Notification of Unusual Event Prudhoo Ray Field Sito Alert j 4831 Old Soward Hwy, Suite 107 Sito Area Emergency l Anchorage, Alaska 99503 General Emergency l Dockets: 03017120 Licenso No: 50 19202 01 X Not Applicablo
Subject:
RADIOGRAPHY EVENT On October 10,1997, while conducting radiography on pipes at Prudhoo Bay, Alaska, a radiographor and assistant approached on exposure device (Amorsham Model 805 *pipeliner")
when they heard a noise and believed the device was going to f all from the pipo. (The device was positioned on top of a pipe, approximately 8 feet above the ground, to perform tadiography.) Both the radiographer and the assistant approached the device while the shutter was in the open position. The exposure device contained a 100 curio iridium 102 source. Both individuals retreated when the assistant heard his alarm rato motor alarming. The radiographer's 0 200 milliroentgen (mR) dosimeter was offscale and the assistant's road 78 mR. The incident was promptly reporteo to the licensoo's radiation safety officer (RSO) and the radiographer's film badge was expressed mailed to the licensoo's vendor for immediato processing. The RSO expects to receive the badge analysis results by Tuesday, October 21. The RSO interviewed both radiographors, did a preliminary to onactment of the incident and estimated a maximum whole body dose of 1 rom for the radiographer based primarily on the estimated 15 20 seconds that the radiographor was within approximately 3 foot of the device. As of 3:30 p.m. (PDT) on October 17,1997, the licensoo did not considor the event to bo officially reportable to the NRC. (The licensoo considered reporting requirements of 10 CFR Parts 20 and 34.)
A Region IV inspector will review the circumstancos associated with this incident during an inspection at CTl's f acility in Anchorage during the wook of October 20.
The state of Alaska will be informed.
Region IV tocoived notification of this occurrence by telephono frem the licensee's RSO at 3:30 p.m. (PDT) on October 17,1997. Region IV has informed NMSS.
This information has been discussed with the licensoo and is current as of 4:30 p.m., October 17,1997.
Contact:
Jim Montgomery Frank Wenslawski (510)D75 0249 (510)D75 0219 h.
9710220299 971020 I&E
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