ML20077H391

Public Version of Rev 1 to Emergency Plan Administrative Procedure AD 1850.06, Radiation,Contamination & Airborne Radioactivity Monitoring During Emergencies at Davis Besse Administration Bldg

ML20077H391
Person / Time
Site:	Davis Besse
Issue date:	05/27/1983
From:	Briden D, Horne M, Jenny Murray TOLEDO EDISON CO.
To:	NRC
Shared Package
ML20077H387	List: ML20077H391
References
AD-1850.06-01, NUDOCS 8308100051
Download: ML20077H391 (8)

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8308100051 830729 1 A N.v. . - '. -

PDR ADOCK 05000346  % .M ' I' G 'l '

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1 AD 1850.06.1

1. PURPOSE 1.1 To provide instructions for radiation, contamination and airborne radioactivity monitoring during emergencies at the Davis-Besse Administration Building after it has been determined by the Chemist and Health Physicist or designee.

1.2 To provide instructions for issuing personal dosimetery for emergency response personnel at the DBAB. -

1.3 Section 3.1 through 3.5 are to be Laplemented after the Chemist

& Health Physicist or designee has declared that higher than radiological background levels are detected, as determined from a radiation reading, contamination smear, and an airborne I-131 sample collected outside the North Exit of the DBAB.

2. REFERENCES 2.1 HP 1601.04, Radiation, Contamination and Airborne Radioactivity Areas 2.2 HP 1602.01, External Personnel Radiation Exposure Monitoring 2.3 HP 1604.01, Personnel Decontamination 2.4 Code of Federal Regulations 10 CFR 20 2.5 LI 4768.00, Stabilized Assay Meter SAM-2 2.6 EI 1300.07, Technical Support Center Activation

3. PROCEDURE

-3.1 Airborne Radioactivity Surveys 1 NOTE: Airborne Radioactivity Samples will be taken to monitor areas routinely in the DBAB at the direction of the Chemist and Health Physicist.

l l 3.1.1 Collect air sample using a low-Volume air sampler,

[

place a charcoal and particulate paper in the sampler.

3.1.2 Collect the sample for 10 minutes. Record start and stop time. Record Sample Flow Rate and Times on the Lab Data Card.

3.1.3 When sample has been collected, remove charcoal and particulate filters from sampler and place in plastic r

bag and deliver to C&HP lab in the DBAB with Lab Data Card.

t,

+

• m 3 AD 1850.06.1 3.3 Radiation Surveys 3.3.1 Radiation surveys should be run on a routine basis in work areas and areas where radioactive metsrial might accululate, ie vent ducts, vent filters and the C&HP lab. .

3.3.2 Areas should be posted in accordance with HP 1601.04, Radiation, Contamination and Airborne Radioactivity Areas.

NOTE: Radiation survey points are indicated on Attachment 1.

3.3.3 . All survey data should be entered on Attachment V.

3.4 Personnel Monitoring '

3.4.1 TLD's will be placed in occupied areas during emergencies at the locations listed on Attachment II. . Dosimeters will be. issued to all personnel in the DBAB Emergency Response Area by the Security personnel. Dosimeters will be read out perio'dically at the di.rection of the Chemist and Health Physicist.

3.4.2 TLD dostnetry will be picked up when directed by the Chemist and Health Physicist or when the emergency no longer exists. Dosimeters will be returned prior to leaving the DBAB.

1 3.4.3 Emergency Personnel Dosimeter Issue Log will be filled out for all persons issued dosimeters during the emergency.

3.4.4 Dosimeter shall be worn for the duration of the emergency and controlled by security persons at the DBAB.

3.5 Personnel Decon during Emergencies 1 NOTE: Friskers will be located entrances to the EBAB 1st-floor Emergency Response Area.

3.5.1 Personnel are required to monitor their entire body with a frisker to ensure there is no excessive contamination on the body before entering or leaving the control area between the Security Stations in the lower north half of the DBAB or the Radiological Testing Lab.

3.5.2 If contamination exist in amounts of 350 to 500 epm above background, then personnel decon must be performed in accordance with HP 1604.01.

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6AYi$-BE13E AEMIN15T1tATIOff BURSDaG bE51CM DESCRITTI0st tuudUAf.

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• Devis-Besse AJet&tetratica ti.tlJing Fiast floor Plan

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! Attachment III Emergency 1 Personnel Dosimeter Issue Log j NAME (Last, First, Mi.) SS# Company / Address i

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i Attachment III Page 1 of 1 .

r e 9 AD 1850.06.0 Attachment V DAVIS 8 ESSE NUCLEAR POWER STATION l RADIATION / CONTAMINATION SURVEY C 8 W'NE UNIT NO.1 C SPECIAL ALL READINGS /MR HR Sull OING LEVEL RCQM NAME/NO. l SURVEY SY OATE TIME INSTRUMENT USEC 1 l. No. CAUSRATION OUE DATE INSTRUMENT USEO L. I. No. CAUSRATION OUE CATE CONTACT READINGS CIRCLEO CCNTAMINATION LOCATICNS "SOXED

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ATDCHMENT V PAGE 1 of 1 AREAS PCSTED AS RECUIREC SY HP 1601.04 SIGNATUREJTITLE DATE N

,^ 11 AD 1850.06.0 ATTACHMEFr VI TRITIUM Sample: Start Time Stop Time al in Bubbler Activity = ( pCi/cc) ( ml in bubbler)

( min) ( L/M) (1000 cc/L)(0.9 buffler eff)* pCi/cc PARTICULATES s

Filter Size 2" , 4" Sample: Start Time Stop Time (net CPM) = pCi/cc Activity = (

• cc) ( min) (2.22 x 10*) ( eff)

• Calculate volume in cc by:

Time x cfm x 2.8317 x 104 3 cc cc/ft -

Time x L/M x 1000 cc/L = cc If airborne radioactivity levels are less than 1x10-10 pCi/cc for I131; no action is required. If airborne radioactivity levels are greater than 1x10-10 pCi/ce, follow actions given in AD 1827.12.

d Attachment VI END Page 2 of 2

._~

, c DAVIS-BESSE REVISION COVER SHEET .

June 15, 1983 DATE TO: / NT N /2 A6 u

FROM: EMERGENCY PLANNING & PREPAREDNESS SUPV.

SUBJECT:

Davis-Besse EMERGENCY PLANNING SUPPORTING PROCEDURES Manual Changes Thir, lattar transmit: :dditica: and ravisions to the Davis-Besse EMERGENCY PLANNING SUPPORTING PROCEDURES Manual. Control Copy dM .

Instruction,s for the material are as follows:

REMOVE AND RETmtN INSERT j AD 1850.06.1 AD 1850.06.1 (Corrected Copy)

Date Revision Entered Addressee Signature ST0e 43050 RETUu TO TaE O m Cz m iGER -

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