Diablo Canyon requires the use of a geometry card and/or bag to maintain a standard geometry between the TLD and ED. With a few exceptions, the geometry card is used for all RCA entries. Contact me if you want more details. Linda Linda Sewell, CHP Principal Health Physicist Diablo Canyon Power Plant MS 119/1/117 PO Box 56 Avila Beach, CA 93424 805.545.4315 (voice) 805.545.2618 (fax) mailto:[email protected]
________________________________ From: [email protected] [mailto:[email protected]] On Behalf Of Egert, Glenn W. Sent: Monday, September 13, 2010 3:35 PM To: [email protected] Cc: Shepherd, R Mark Subject: Powernet: TLD and ED worn in close proximity Columbia requests the following information. 1) Do you use a device such as a geometry card or bag to ensure the TLD and electronic dosimeter (ED) are worn in close proximity on the worker? 2) On what types of jobs do you require the use of this device, e.g., only contaminated areas where PCs (or lab coats) are worn, work involving dose gradients, every time an ED is worn, etc.? Thank you in advance. Glenn W. Egert Radiological Support, Dosimetry Columbia Generating Station Energy Northwest (509) 377-4418 [email protected] <mailto:[email protected]>
