6.4 Limits of
radioactive substance discharges
Limit values for
gaseous and liquid discharges are part of L&C approved by the regulator.
Table 6.4.1 shows values of discharge limits for NPP Bohunice and Mochovce, and Table
6.4.2 shows values for SE-VYZ operations.
Annual discharge limits |
|
Ventilation stack |
Liquid discharges |
|
Rare gases
(any mature) |
Iodine
(gaseous and airborne phase) |
Aerosols – mixture of persistent
radionuclides |
Sr 89, 90 |
Tritium |
Other corrosion and fission products |
|
Bq/year |
Bq/year |
Bq/year |
Bq/year |
Bq/year |
Bq/year |
Bohunice
V-1 |
4.1 * 1015 |
6.75 * 1010 |
1.8 * 1011 |
1.35 * 108 |
|
|
Bohunice
V-2 |
4.1 * 1015 |
6.75 * 1010 |
1.8 * 1011 |
1.35 * 108 |
|
|
Mochovce
1,2 |
4.1 * 1015 |
6.7 * 1010 |
1.7 * 1011 |
|
1.2 * 1013 |
1.1 * 109 |
S A1, V1, V2 |
|
|
|
|
4.37 * 1013 |
3.8 * 1010 |
|
|
|
|
|
|
|
|
Daily discharge limits |
Volume activity [Bq/m3] |
|
Rare gases
(any mixture) |
Iodines
(gaseous and airborne phase) |
Aerosolsy – mixture of persistent
radionuclides |
Sr 89, 90 |
Tritium |
Other corrosion and fission products |
|
Bq/day |
Bq/day |
Bq/day |
Bq/day |
[Bq/m3] |
[Bq/m3] |
NPP V-1 |
5.6 * 1013 |
9.25 * 108 |
2.5 * 109 |
|
1.95 * 108 |
3.7 * 104 |
NPP V-2 |
5.6 * 1013 |
9.25 * 108 |
2.5 * 109 |
|
1.0 * 108 |
2 * 104 |
NPP
Mochovce 1,2 |
5.5 * 1013 |
6.0 * 109 |
2.5 * 109 |
|
1.1 * 108 |
4 * 104 |
Table 6.4.1
|
Annual discharge limits for ventilation stack |
Liquid discharges |
|
|
Aerosols – mixture of persistent
radionuclides |
Sr 89, 90 |
Volume activity
|
|
SE-VYZ |
b+g |
a |
|
Tritium |
Other corrosion and fission products |
|
|
Bq/year |
Bq/year |
[Bq/m3] |
[Bq/m3] |
|
MGU |
9.4 * 108 |
8.8 * 106 |
2.8 * 107 |
1.95 * 10 8 |
3.7 * 104 |
|
ISFSF |
3,0 . 108 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Weekly discharge limits for ventilation stack |
|
|
|
|
|
Bq/week |
|
|
|
|
MGU |
9.0 * 107 |
8.5 * 105 |
|
|
|
|
Bitumen-embedding
line |
9.0 * 107 |
8.5 * 105 |
|
|
|
|
ISFSF
(daily limit) |
5.0 * 106 |
|
|
|
|
|
Table 6.4.2
    
|