ML061730186

2006/05/24-VYNPS, DR-53 Location Exposure Rate Status-Pre Power Up, Pre and Post Shield

ML061730186
Person / Time
Site:	Vermont Yankee
Issue date:	05/24/2006
From:	Skibniowsky S P - No Known Affiliation
To:	Office of Nuclear Reactor Regulation
References
%dam200610
Download: ML061730186 (3)

Text

L.DR-53 Location Exposure Rate Status -Pre-PowerUp, Pre and Post Shield -3/4 l 5/10 and 5123 Data Prepared by SP Skibniowsky, 5/24/06 Pre-Power Up Exposure at DR-53 Location Background Measurements I I PIC Bkgd Readings (03103106)

Hinsdale (VY Bkgd) Average 0.008990 mR/hr State Locations Average 0.008477 mR/hr Gross Readings Net Readings VY PIC at DR-53 Location _VY Bkgd State Bkod Limits (mR/hr)I I Bkgd Sub Bkgd Sub Alert Alarm Pre Power Up I (2/28 @ 1700 to 3/4 @ 0800) 0.010303 mRlhr 0.001313 mR/hr 0.001826 mR/hr 0.002620 0.002758 Exposure Prolection at DR-53 Location (Based upon data collected at 1593 MWTh -2/28 @ 1700 to 3/4 @ 0800)Exposure Rate 0.001313 mR/hr at DR-53 Location I mR Exposure Proiection

-Month (31 Days) 0.98 Exposure Proiection

-Quarter (91 days) 2.87 Exposure Proiection

-Year (365 Days) 11.50__________--

_________

_________

__________

__________

__________

__________

__________

_________

I III_ I _ _ _ I _ _ _ I _ _ I __ _ _ _ I _ _ _ i _Pre-Shield Exposure at DR-53 Location Background Measurements PIC Bkgd Readings (05/09/06)

Hinsdale (VY Bkgd) Average 0.009489 mR/hr State Locations Average 0.009206 mR/hr Gross Readings Net Readings.VY PIC at DR-53 Location VY Bkqd State Bk Ld Limits (mRLhr_I Bkod Sud Sub Sub Alert ]Alarm Pre Shield 1 (5/9 @ 0600 to 5/10 @ 0600) 0.012023 mR/hr 0.002534 mR/hr 0.002817 mR/hr 0.002620 0.002758 Exposure Profection at DR-53 Location (Based upon data collected at 1912 MWTh -5/9 @ 0600 to 5/10 @ 0600)Exposure Rate 0.002534 mP/hr at DR-53 Location Im._ mR Exposure Proiection

-Month (31 Days) 1.89 Exposure Proiection

-Quarter (91 days) 5.53 Exposure Proiectionr

-Year (365 Days) 22.20 I I_1 I I _ _ i _ I _ _ _ _Post -Shield Exposure at DR.53 Location Background Measurements PIC Bkgd Readings (05/22/06 Hinsdale (VY Bkgd) Average 0.009506 mR/hr Putney Town Hall (State Bkgd) 0.009347 mR/hr Gross Readings Net Reading s VY PIC at DR-53 Location VY Bkqd -State Bkgd Limits mRhr)FIBkqd Sub Bk~qd Sub Aler Aam Post Shield I _(5/22 @ 0700 to 5/23 f 0700) 0.011372 mR/hr 0.001866 mR/hr 0.002025 mR/hr 0.002620 0.002758 Exposure Projection at DR-53 Location (Based upon data collected at 1912 MWTh -5/22 @ 0700 to 5/23 @ 0700)Exposure Rate 0.001866 mP~hr at DR-53 Location I mR Exposure Projection

-Month (31 Days) 1.39 Exposure Projection

-Quarter (91 days) 4.08 Exposure Projection

-Year (365 Days) 16.35'___ ___I ___ __ ___ __