Protective Action Guides

Action Guides (catalogue of European action guides) in printed (books) and electronic form, created as a result of research project in ABmerit, Trnava, Slovakia. The aim was to find and define distinguishable and quantifiable symptoms which could help the Crisis Staff in the process of source term estimation and (especially and finally) in the process of assessment of radiological impacts to the territory of the country (e.g. Czech Republic, Austria, Bulgaria) in case of nuclear accident outside or inside the country.

 

Symptoms and measurable parameters, which can be used in the process of source term estimation and which are implemented in "Action Guides":

  • Description of the accident in words (state of the reactor core and release pathway);
  • Expected/predicted release (prediction of the source term);
  • Estimation of real release (release rate);
  • Estimated INES level;
  • Some principal information about urgent protective measures applied in the EPZ;
  • Radiological parameters which are (could be) monitored and reported: dose rates, ground deposition, air volume activity or TIC.
 
Sites of European power reactors relative to the Czech Republic border:
 
 
Action Guides are calculated specifically for every country. Up to now they are implemented at:
 
    -the Crisis Centre of the Czech State Office for Nuclear Safety, Prague (for the territory of Czech Republic);
    
    -the Crisis Centre of the Austrian Federal Ministry of Environment, Agriculture and Water Management, BMLFUW, Vienna (for territory of     Austria);
 
    -the Crisis Centre of the Bulgarian Nuclear Regulatory Agency, NRA, Sofia (for territory of Bulgaria).

 

  List of Action Guides for European NPPs
England Dungenes B-1, B-2
  Hartlepool A-1, A-2
  Heysham A-1, A-2, B-1, B-2    
  Hinkley Point B-1, B-2
  Hunterstone B-1, B-2
  Sizewell B
  Torness -1, -2
  Wylfa -1
   
Belgium Doel -1, -2, -3, -4
  Tihange -1, -2, -3
   
Bulgaria Kozloduy -5, -6
   
Czech republic Dukovany -1, -2, -3, -4
   
Finalnd Loviisa -1, -2
  Olkiluoto -1, -2
   
France Belleville -1, -2
  Blayais -1, -2, -3, -4
  Bugey -2, -3, -4, -5
  Cattenom -1, -2, -3, -4
  Chinon B -1, B-2, B-3, B-4
  Chooz B-1, B-2
  Civauq -1, -2
  Cruas -1, -2, -3, -4
  Dampierre -1, -2, -3, -4
  Fessenheim -1, -2
  Flamenville -1, -2
  Golfech -1, -2
  Gravelines -1, -2, -3, -4, -5, -6
  Nogent -1, -2
  Paluel -1, -2, -3, -4
  Penly -1, -2
  St. Alban -1, -2
  St.Laurent B-1, B-2
  Tricastain -1, -2, -3, -4
   
Germany Brokdorf
  Emsland
  Grafenrheinfeld
  Grohnde
  Gundremmingen -B, -C
  Isar -2
  Neckarwestheim -2
  Philippsburg -2
   
Hungary Paks -1, -2, -3, -4
   
Netherland Borselle
   
Romania Cernavoda -1, -2
   
Russia Balakovo -1, -2, -3, -4
  Kalinin -1, -2, -3, -4
  Kola -1, -2, -3, -4
  Kursk -1, -2, -3, -4
  Leningrad -1, -2, -3, -4
  Novovoronezh -3, -4, -5
  Rostov -1, -2
  Smolensk -1, -2, -3
   
Spain Almaraz -1, -2
  Acso -1, -2
  Cofrentes
  Santa Maria De Garona
  Trillo -1
  Vandellos -2
   
Slovenia Krsko
   
Sweden Forsmark -1, -2, -3
  Oskarshamn -1, -2, -3
  Ringhals -1, -2, -3, -4
   
Switzerland Beznau -1, -2
  Goesgen
  Leibstadt
  Muehleberg
   
Slovakia Bohunice -3, -4
  Mochovce -1, -2
   
Ukraine Khmelnitski -1, -2
  Rovno -1, -2, -3, -4
  South Ukraine -1, -2, -3
  Zaporozhe -1, -2, -3, -4, -5 ,-6
   

 

 

Example of procedure in the Action Guide for Paks NPP, Hungary:

PROCEDURE No.1: BASIC DECISION SCHEME

  ACTION:

EVALUATE KNOWN INFORMATION ABOUT EVENT AND CONTINUE TO THE RELEVANT PROCEDURE.

- IN CASE OF LACK OF INFORMATION ABOUT EVENT: ASK FOR MORE INFO.

   
Description of the accident sequence is known →  Go to Procedure No.2
Estimated release is known (release that is real, no prediction) →  Go to Procedure No.3
Prediction of the source term (release) is known  →  Go to Procedure No.4
Estimated INES level of accident is known →  Go to Procedure No.5
Urgent protective measures were applied (evacuation, sheltering, I-prophylaxis) →  Go to Procedure No.6
Measured dose rates are known (without distinction cloud/depo) → Go to Procedure No.7
Measured dose rates from deposition on the terrain are known →  Go to Procedure No.8
Measured air volume activities of I-131 or Cs-137 are known →  Go to Procedure No.9
Measured depositions on the terrain of I-131 or Cs-137 are known →  Go to Procedure No.10

 

PROCEDURE No.2: DESCRIPTION OF ACCIDENT SEQUENCE

  ACTION:

-  EVALUATE KNOWN DESCRIPTION OF ACCIDENT AND CONTINUE TO THE RELEVANT PROCEDURE. CHOOSE SOURCE TERM; APPLY TABLES, GRAPHS AND MAPS OF POSSIBLE EXPECTED RADIOLOGICAL IMPACTS AT THE BORDER (OF NEIGHBOURING COUNTRY).

- IN CASE OF LACK OF INFORMATION: DEMAND MORE INFO OR GO BACK TO PROCEDURE No.1.

 

             
State of the core Release pathway   State of containment pressure suppression system (e.g. sprays)  
damaged or threat of damage uncovered or threat of core uncovered (maximal duration 30 min.) neither core damage nor threat of uncovered bypass of containment or threat of bypass release to the containment (or threat) in operation  
x     x    

→Go to Procedure No.14     

x       x   →Go to Procedure No.16 
  x   x     →Go to Procedure No.15 
  x     x   →Go to Procedure No.17 

There is no threat to the neighbouring country.
  x     x x →Go to Procedure No.18

There is no threat to the neighbouring country.
    x       →END of procedure No.2

There is no threat to the neighbouring country.