ML20055F568

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Forwards TMI Citizens Monitoring Network Rept for June 1990. No Unusual Events Reported.Stations 9,10 & 11 Added to Network & Three Addl Monitors to Go on-line for Jul
ML20055F568
Person / Time
Site: Crane  
Issue date: 07/11/1990
From: Baker D
THREE MILE ISLAND CITIZEN'S MONITORING NETWORK
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9007180034
Download: ML20055F568 (7)
v • d • e


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. July 11, 1990

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U.S.

Nuclear' Regulatory Commission k

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Docket ' No;'s..50289 & 50320

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' Dear Sirst

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h.c Enclosed is the report for the month of June.

There-

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>were no' unusual amounts recorded or unusual events to be-L.

-reported for the month.

Stations $9, 10 and 11 are new stations,that have f

.been added to the network.

We have three additional l

._ monitors to go on line for the month of. July.

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9 If you have been following the reports closely you

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will notice a pattern being established for each loca-tion.- This is proof that the Rad-Alert is:a unique

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t machine and capable of reporting accurate information.

l, In addition, most stations have a weatfier cube which.

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-transmits'the. National Weather-Service's broadcast with:

l updates every. hour.

It is useless.to have-a good monitor j

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' >without. Knowing in which direction the wind is blowing.

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If-you-have any questions, please' feel' free to contact-meJat 717-566-7466.

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1 Sincerely,.

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Deborah.M.! Baker i

TMI-CMN-N 1

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_ A V E R A G E L'C O U N T S..-

MAX.; CPM TIME /

' MIN.fCPM TIME /;.

L05/27/90?thru-06/02/90

PER" MINUTE,2 PER WEEK DATE OCCURRED-DATE OCCURRED'_

Station'#1:

12.59L 15.55; cpm:

jlo 40 cpm- ^

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5/27/90 5/30/90~~

4:08 P.M.

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11:42 P.M..

.? :

Wind:(S @'10 Wind: N@ 12'

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Station'#2

13.91

- 15.00 cpm-13.10 cpm-6/1/90 5/31/90-

~~

8:36.A.M.

5 :111 P.M. --

Wiad: Calm-

' wind: Cals:

Station #4 10.79 13.00 cpm *

--8.33 cpm'

- a 5/29/90-6/1/90' 9:30 A.M.

7:00'A.M.

Wind: N @ 8-Wind: ' Calm.

Station-#5 15.76-17.28 cpm ~

14.80. cpm **

6/1/90 6/2/90 7:51LA.M.

10:22 P.M.

2 Wind:' Calm-Wind: SW-@-13' Station #8

_.12.62-15.27-cpm

-10.20 cpm 5/31/90_

_5/31/90 6:43 A.M.

5:50 A.M.--

Wind: W 6.5

_ Wind: W95 Station #9 12.18' 13.33 cpm 11.26 cpm."

6/7/90-

_6/2/90'

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2:13'P.M.

11:25 A.M.

Wind: Sere 4.~

Wind: SW e 2 -

Station #10' x14.66 16.06_eps-13.47 cpm

- 5/28/90.

'6/2/90- '

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11:57 P.M.

Wind:.SE'9-3

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AVERAGE COUNTS-MAX. CPM TIME /:

MI:.J.. CPM TIME /i 106/03/90'thru 06/09/90:

PER MINUTER-PER WEEK-DATE OCCURRED!

' DATE OCCURRED-14.05 cpm;

' 11.86 cpm Station #1' 12.91-

.6/5/90 6/4/90 9:20 P.M..

11:35-A.M.

Wind: 5-@ 7' Wind: NW'@j14' Station #2

~13.77-

'15 06 cpm

~12.57 cpm *-

6/6/90.

6/8/90 6:02 P.M.

4:37 P.M.

Wind: S' @ 12 Wind:.SW 9 15 Station #4 11.25 13.66 cpm

. 9.60' cpm *~

6/4/90

.6/8/90 9:30 A.M..

5:00^P.M.

- Wind: W 9 10 Wind: SE @ 5 Station'#5 15.94 17.27 cpm 15.26 cpm 6/6/90 6/5/90 10:58 P.M.

10:41 P.M.

Wind: S@7 Wind: SW @ ~ 6 " _

Station #7 10.34

- 11.55-cpm 8.96 cpm-c

- 6/8/90 6/4/90 1:51 P.M.

10:32 P.M.

Wind: SE @ 5 Wind: NW @~14 Station #8 13.23

- 16.20 cpm 10.20 cpm 6/7/90 6/6/90 9 : 3 5 '- P. M. -

10:13 P.M.

Wind: SW @. 6 :

Wind: S@7 Station #9 11.51~

13.07. cpm-9.60 cpm 6/5/90 6/5/90 4:40 P.M..

~11:15 A.M..

Wind:'W-@ 6 Wind: W @ Station #10-

_14.93, 16.73 cpm 12.73 cpm 6/7/90 6/9/90

-11:33 P.M.

11:27.P.M.

Wind: W @ 6-Wind: W-@ 5

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.Psge 3' 11.08 cpm 13.46 cpm 11.38 6/7/90 Station #11 6/8/90-7:50 A.M.

7:50 A.M.

Wind: W @ 5' Wind: Calm MAX. CPM TIME /

' MIN. CPM TIME /

DATE OCCURRED AVERAGE COUNTS DATE OCCURRED PER MINUTE, PER WEEK 06/10/90 thru 06/16/90 12.75 cpm 15.46 cpm 14.10 6/12/90 Station #2 6/16/90 4:55 P.M.

8:17 A.M.

Wind: NW @ 12 Wind: Calm 9.93 cpm 13.20 cpm 11.53 6/14/90 Station #4 6/10/90 9:00 A.M.

8:30 A.M.

Wind: Calm Wind: W@ 6 14.95 cpm 17.13 cpm 15.55 6/11/90 Station #5 6/11/90 7:27 A.M.

9:32 P.M.

Wind: N@ 10 Wind: N@ 12 9.08 cpm 10.76 cpm 10.02 6/15/90 Station #7 6/10/90 9:34 A.M.

7:00 A.M.

Wind: SE @ 5 Wind: W@6 8.04 cpm 16.80 cpm 13.00 6/14/90 Station #8 6/11/90 10:17 P.M.

6:30 A.M.

Wind: SE @ 10 Wind: N@ 10 11.13 cpm 13.93 cpm 12.29 6/10/90 Station #9 6/10/90 2:30 P.M.

10:10 A.M.

Wind: E @ 4-Wind: E@ 4 2

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Page 4 Station #10 14.80 16.06 cpm 12.93 cpm 6/16/90 6/14/90 11:14 P.M.

1:46 P.M.

Wind:' Calm Wind: S@ 6 Station #11 11.18 11.87 cpm 11.06 cpm 6/14/90 6/15/90 9:57 A.M.

8:21 A.M.

Wind: Calm Wind: Calm AVERAGE COUNTS MAX. CPM TIME /

MIN. CPM TIME /

' 06/17/90 thru 06/23/90 PER MINUTE, PER WEEK DATE OCCURRED DATE OCCURRED Station #2 13.19 15.60 cpm 11.93 cpm 6/18/90 6/21/90 8:27 A.M.

7:00 P.M.

Wind: S@ 5 Wind: W @ 8 Station #4 11.67 13.46 cpm 10.66 cpm 6/23/90 6/20/90 8:15 A.M.

6:00 P.M.

Wind: SW @ 10 Wind: SW @ 3 Station #5 15.71 18.13 cpm 14.41 cpm 6/18/90 6/17/90 5:59 P.M.

10:13 P.M.

Wind: NE @ 18 Wind: SE @ 6 Station #7 10.63 11.50 cpm 9.83 cpm 6/23/90 6/23/90 8:43 A.M.

7:27 P.M.

Wind: SW @ 10 Wind: SW @ 12 Station #8 13.39 16.61 cpm 11.13 cpm 6/22/90 6/19/90 7:00 A.M.

10:06 P.M.

Wind: SW @ 8 Wind: NW @ 10 e

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[6/18/90.

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5:08'P.M.

Wind:iS-9-10

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Station-#11

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1.4.40-cpm 11.38' cpm 6/18/90-6/20/90' 9:49EA'.M.

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9:221A.M..

u Wind: SE-_@ 5

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AVERAGE COUNTS MAX. CPM TIME /

MIN. CPM TIME /

06/24/90 thru 06/30/90 PER MINUTU1 PER WEEK DATE OCCURRED

- DATE OCCURRED

_M

. Station #1

-:12.95

.13.88 cpmc 12.86-cpm-6/28/90 6/29/90.

9:441P.M.

11:28 A.M.

' Wind: SW @ 5 Wind:: SW: 9: 10 J

' Station #2

1.2.85 13.83 cpm

(.12.27 cpm 6/29/90 6/24/90.

11:00"A.M.

.7:00 A.M.

Wind:1 Wi @ '3

- Wind: SW.e'lo:

4 Station #4 111.79

-13.66 cpm 6/26/90-10.20 cpm:

6/27/90 11:00'A.M.

- 7:00 P.M.

Wind: S_eLS W i n d : '. S W e x-1 0 :-

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Station #5 15.37-17.11:' epm *^

L14.65: cpm

.s :

6/28/90-6/30/90

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'7:23 F.M.:

7:17 A~.M..

. W int d : : SW-@114 Wind::W 9112' V

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i9:49 P.M.

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' Station # 8 --

115.25-

.19.53 cpm 7 10.65 cpm 6/28/90- ~

-6/26/90-5:50-A.M.

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. 8 : 51 - P.M. -

Wind: - SW ? @J 5;

. Wind:.SW 6 10-Station #9-12.71 13.86: cpm ~

~ -10.86 cpm

'6/25/90 6/27/90 g _

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11:00'A.M.

~11:20JA.M.-

Wind: - N : @ -. 2'

' Wind: W @ 3 ---

-.6/30/90 6/27/90 i -

Station #10 14.87 17.27-cpm

'12.93 cpm-11:40:P.M..

12:21 A.M.

=A 5;

Wind:J.W @_14 Wind:'W--@ 8 ?

Station #11 12.61

'14.46 cpm =

11".18 cpm 6/26/90 6/26/90_

11:39 P.M.

9:23.A.M.

Wind: SE @ 6 Wind: W @ 5 7

Station #1 is located 7 miles N.N.E.

of-TMI Station 58.is located 7.

miles N.W..

~ of TMI.

Station #2 is located 3 miles:N.

of TMI

._ Station #9 is._ located 13 miles W.N.W.

of TMI-'

Station'#4 is located 5 miles N.N.W. of TMI Station-#10 is located 11 miles =N.W.

of TMI-Station #5 is located 3 miles W.S.W. of'TMI Station #11 is located 9.-

miles-N.W.

of.TMI Station #7 is-located 1-mile W.

of TMI

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Normal background is.10 cpm ~per-.U.S.. statistics., Our monitors are set to-' alarm ' automatically :at-30 cpm in most areas.- This' represents 3X's background.

  • Occurred during rain m

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