National Report of The Slovak Republic, september 2001


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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


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