TABLE 18

INDIANA MICHIGAN POWER COMPANY -- DONALD C. COOK NUCLEAR PLANT

IODINE-131 IN WEEKLY AIR CARTRIDGE SAMPLES

Results in Units of 10 -3 pCi/m 3 2 SD

Collection dates

Station codes

A-1 A-2 A-3 A-4 A-5 A-6 Coloma Dowagiac New Buffalo South Bend
January 1994
01/03/94

01/10/94

01/17/94

01/24/94

01/31/94

<10

<10

<20

<20

<10

<10

<10

<20

<20

<10

<20

<10

<10

<20

<10

<10

<10

<20

<10

<10

<7

<8

<10

<7

<7

<8

<20

<20

<8

<20

<8

<20

<20

<8

<20

<9

<20

<20

<8

<20

<6

<8

<10

<6

<10

<8

<20

<2

<8

<20

February 1994
02/07/94

02/14/94

02/2/94

02/28/94

<20

<10

<20

<7

<20

<10 a

<9 a

<5 a

<20

<10

<20

<7

<20

<10

<20

10.1 5.2

<7

<8

<7

<10

<9

<10

<10

<20

<8

<10

<20

<20

<8

<10

<20

<20

<6

<8

<10

<8

<8

<10

<10

<20

March 1994
03/07/94

03/14/94

03/21/94

03/28/94

<10

8.8 5.0

<10

<20

21.0 10.4

<9

<20

<20

<10

<8

<10

<20

<10

11.2 5.7

<10

<20

26.7 8.4

<10

<10

<30 b

<20

<10

<10

<10

<10

<10

<10

<10

Notes :    (a) No measurable volume. Results in total pCi.

    (b) Equipment malfunction; low sample volume.

    SD, Standard deviation.


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