Basic HTML Version
International Journal of Marine Science 2014, Vol.4, No.35
http://ijms.biopublisher.ca
4
Table 1
226
Ra,
232
Th and
40
K concentration values in Nile Delta profiles during 2008 with radiation hazardous indices.
distance
226
Ra
Bq/kg
232
Th
Bq/kg
40
K
Bq/kg
Ra
eq
Bq/kg
Hex D
nGy/h
AEED
mSv/y
226
Ra/
232
Th
West Rosetta
W_R
100 m
28.67
±
6.23 28.75
±
7.59
314.90
±
30.06 93.96
0.25 43.83
0.05
1.00
200 m
23.20
±
7.14 19.23
±
11.29 160.55
±
37.48 63.02
0.17 29.08
0.04
1.21
300 m
34.62
±
6.95 25.33
±
8.75
294.07
±
34.15 93.43
0.25 43.64
0.05
1.37
400 m
39.32
±
6.26 45.13
±
9.40
204.98
±
33.56 119.56 0.32 54.03
0.07
0.87
East Rosetta
E_R
100 m
19.01
±
8.38 18.82
±
13.08 268.58
±
43.10 66.56
0.18 31.43
0.04
1.01
200 m
10.42
±
7.92 28.84
±
12.34 299.78
±
41.12 74.68
0.20 34.82
0.04
0.36
300 m
11.99
±
7.27 13.24
±
11.18 340.60
±
40.02 57.10
0.15 27.84
0.03
0.91
400 m
23.47
±
7.27 23.66
±
11.25 169.18
±
38.85 70.28
0.19 32.24
0.04
0.99
500 m
18.23
±
6.61 17.33
±
10.26 171.35
±
34.67 56.17
0.15 26.09
0.03
1.05
West Burullus
W_B
100 m
17.60
±
7.75 30.09
±
11.81 306.52
±
42.07 84.16
0.23 39.18
0.05
0.58
200 m
17.67
±
8.10 10.51
±
6.42
352.94
±
44.77 59.83
0.16 29.34
0.04
1.68
300 m
28.39
±
7.24 9.25
±
11.16
288.32
±
40.97 63.78
0.17 30.81
0.04
3.07
400 m
27.52
±
8.22 18.69
±
10.80 338.74
±
48.81 80.28
0.22 38.23
0.05
1.47
500 m
28.58
±
7.11 22.39
±
12.33 377.77
±
40.17 89.62
0.24 42.59
0.05
1.28
East Burullus
E_B
100 m
13.87
±
6.25 9.83
±
9.52
266.78
±
34.32 48.43
0.13 23.55
0.03
1.41
200 m
21.21
±
7.16 31.22
±
12.01 210.54
±
38.09 82.01
0.22 37.50
0.05
0.68
300 m
19.16
±
8.39 27.50
±
13.51 332.17
±
48.38 84.00
0.23 39.41
0.05
0.70
400 m
19.57
±
7.41 16.26
±
11.08 399.04
±
41.85 73.49
0.20 35.62
0.04
1.20
500 m
17.08
±
6.26 9.21
±
6.18
283.23
±
34.34 52.02
0.14 25.35
0.03
1.85
West Ras El-Bar
W_S
100 m
34.67
±
6.98 42.13
±
10.77 267.13
±
36.64 115.40 0.31 52.68
0.06
0.82
200 m
13.19
±
6.74 11.80
±
9.92
207.27
±
37.21 45.99
0.12 21.93
0.03
1.12
300 m
37.41
±
7.53 39.11
±
11.43 262.63
±
40.12 113.48 0.31 51.94
0.06
0.96
400 m
40.30
±
6.77 42.13
±
10.05 234.07
±
35.46 118.49 0.32 53.90
0.07
0.96
500 m
35.42
±
6.72 53.10
±
10.26 171.42
±
36.15 124.46 0.34 55.64
0.07
0.67
East Ras El-Bar
E_S
100 m
18.23
±
6.61 17.33
±
10.26 380.94
±
46.21 72.29
0.20 34.89
0.04
1.05
200 m
22.82
±
7.80 27.54
±
12.40 294.78
±
43.33 84.84
0.23 39.56
0.05
0.83
300 m
30.59
±
9.08 19.03
±
14.47 268.29
±
51.59 78.42
0.21 36.90
0.05
1.61
400 m
21.13
±
7.68 27.15
±
11.91 307.33
±
43.14 83.56
0.23 39.07
0.05
0.78
500 m
16.47
±
5.33 9.81
±
7.23
373.19
±
44.62 59.19
0.16 29.21
0.04
1.68
Average
23.79
±
8.54 23.95
±
11.79 280.93
±
68.19 79.60
0.22 37.25
0.05
1.14
Minimum
10.42
9.21
160.55
45.99
0.12 21.93
0.03
0.36
Maximum
40.30
53.10
399.04
124.46 0.34 55.64
0.07
3.07