Reports of the Nuclear Safety Standards Commission (Kerntechnischer Ausschuss - KTA)

Published on: 17. March 2025

The Nuclear Safety Standards Commission (KTA) has the task, to issue nuclear safety standards for these topics in the area of nuclear technology where a consensus between experts of the manufacturers and the operators of nuclear power plants, of authorized experts and state officials is apparent and to support their application.

Please feel free to download the following information (most of the files are in German only, unfortunately).

Manuals & Basics

"Proclamation of the Nuclear Safetey Standards Commission (KTA)" (not accessible) [PDF, 34 KB] (Bekanntmachung des Kerntechnischen Ausschusses (KTA) (not accessible) [PDF, 475 KB] )
"Merkblatt zum Verständnis und über Inhalt, Aufbau und äußere Form von sicherheitstechnischen Regeln des Kerntechnischen Ausschusses (KTA)" (not accessible) [PDF, 320 KB] (2019-11)
KTA-Handbook (“KTA-Handbuch (2024-07)” (not accessible) [PDF, 2 MB] )
KTA-Collection of Definitions ("KTA-Begriffesammlung" (not accessible) [PDF, 2 MB] KTA-GS-12, April 2021)

KTA-Dictionairies

KTA-Annual Reports

KTA-Annual Reports 2020 -
KTA-Annual Reports 2024 (not accessible) [PDF, 2 MB]	KTA-Annual Reports 2021 (not accessible) [PDF, 2 MB]
KTA-Annual Reports 2023 (not accessible) [PDF, 3 MB]	KTA-Annual Reports 2020 (not accessible) [PDF, 3 MB]
KTA-Annual Reports 2022 (not accessible) [PDF, 3 MB]

KTA-Annual Reports 2010-2019
KTA-Annual Reports 2019 (not accessible) [PDF, 6 MB]	KTA-Annual Reports 2014 (not accessible) [PDF, 2 MB]
KTA-Annual Reports 2018 (not accessible) [PDF, 2 MB]	KTA-Annual Reports 2013 (not accessible) [PDF, 833 KB]
KTA-Annual Reports 2017 (not accessible) [PDF, 2 MB]	KTA-Annual Reports 2012 (not accessible) [PDF, 1 MB]
KTA-Annual Reports 2016 (not accessible) [PDF, 2 MB]	KTA-Annual Reports 2011 (not accessible) [PDF, 2 MB]
KTA-Annual Reports 2015 (not accessible) [PDF, 361 KB]	KTA-Annual Reports 2010 (not accessible) [PDF, 709 KB]

KTA-Annual Reports 1999/2000-2009
KTA-Annual Reports 2009 (not accessible) [PDF, 513 KB]	KTA-Annual Reports 2003/2004 (not accessible) [PDF, 2 MB]
KTA-Annual Reports 2008 (not accessible) [PDF, 840 KB]	KTA-Annual Reports 2002/2003 (not accessible) [PDF, 872 KB]
KTA-Annual Reports 2007 (not accessible) [PDF, 439 KB]	KTA-Annual Reports 2001/2002 (not accessible) [PDF, 519 KB]
KTA-Annual Reports 2006 (not accessible) [PDF, 542 KB]	KTA-Annual Reports 2000/2001 (not accessible) [PDF, 326 KB]
KTA-Annual Reports 2005 (not accessible) [PDF, 893 KB]	KTA-Annual Reports 1999/2000 (not accessible) [PDF, 321 KB]

KTA-GS-Reports

KTA-GS-Bericht
KTA-GS-83 "Status Report - KTA Screening: Determination of Future Need for KTA Safety Standards" "Sachstandsbericht - KTA-Screening: Ermittlung des längerfristigen Bedarfs für KTA-Regeln" (not accessible) [PDF, 2 MB] (Dezember 2021)
KTA-GS-82 "Status Report - Determination of the Characteristic Limits (Decision Threshold, Detection Limit and Limits of the Confidence Interval) for Measurements of Ionizing Radiation acc. to DIN ISO 11929 - Examples of Use for the KTA Safety Standard Series 1500 - rev. 1" "Bestimmung der charakteristischen Grenzen (Erkennungsgrenze, Nachweisgrenze und Grenzen des Vertrauensbereichs) bei Kernstrahlungsmessung nach DIN ISO 11929 - Anwendungsbeispiele für die KTA-Regeln der Reihe 1500 - Rev. 1" (not accessible) [PDF, 2 MB] (Sachstandsbericht, November 2016) with Examples of Use (Excel Sheets) for Noble Gas "Edelgas" [XLSX, 43 KB] and "C14" [XLSX, 48 KB]
KTA-GS-81 "Status Report - Measures and Provisions for Accident Management" "Sachstandsbericht - Maßnahmen und Einrichtungen des anlageninternen Notfallschutzes" (not accessible) [PDF, 494 KB] (November 2014)
KTA-GS-80 "Status Report - Use of Dowelled Joints in Nuclear Power Plants" "Sachstandsbericht - Verwendung von Dübelverbindungen in Kernkraftwerken" (not accessible) [PDF, 2 MB] (März 2013)
KTA-GS-79 Rev. 2 "Collection of International Standards relevant for KTA-Safety Standards" "Zusammenstellung für die KTA-Arbeit relevanter Internationaler Normen" (not accessible) [PDF, 177 KB] (April 2010)
KTA-GS-78 German: "Empfehlungen zur Berücksichtigung aktueller bautechnischer Normen bei Anwendung der KTA-Regeln" (not accessible) [PDF, 193 KB] (Sachstandsbericht, November 2005) English: "Status Report - Recommendations Regarding the Application of KTA Safety Standards Considering Current Structural Engineering Standards" (not accessible) [PDF, 190 KB]
KTA-GS-77 "Status Report for KTA-Basic Standard No. 7 - Administrative Personell Requirements" "Sachstandsbericht zu KTA-BR 7 - Personell-organisatorische Maßnahmen" (not accessible) [PDF, 375 KB] (April 2004)
KTA-GS-76 "Status Report for KTA-Basic Standard No. 6 - Verification Methods" "Sachstandsbericht zu KTA-BR 6 - Methodik der Nachweisführung" (not accessible) [PDF, 805 KB] (April 2004)
KTA-GS-75 "Status Report for KTA-Basic Standard No. 5 - General Technical Requirements" "Sachstandsbericht zu KTA-BR 5 - Allgemeine technische Anforderungen" (not accessible) [PDF, 402 KB] (April 2004)
KTA-GS-74 "Status Report for KTA-Basic Standard No. 4 - Limitation of Radiation Exposure" "Sachstandsbericht zu KTA-BR 4 - Begrenzung der Strahlenexposition" (not accessible) [PDF, 290 KB] (April 2004)
KTA-GS-73 "Status Report for KTA-Basic Standard No. 3 - Confinement of Radioactive Material" "Sachstandsbericht zu KTA-BR 3 - Einschluss der radioaktiven Stoffe" (not accessible) [PDF, 806 KB] (April 2004)
KTA-GS-72 "Status Report for KTA-Basic Standard No. 2 - Cooling of Fuel Elements" "Sachstandsbericht zu KTA-BR 2 - Kühlung der Brennelemente" (not accessible) [PDF, 406 KB] (April 2004)
KTA-GS-71 "Status Report for KTA-Basic Standard No. 1 - Control of Reactivity" "Sachstandsbericht zu KTA-BR 1 - Kontrolle der Reaktivität" (not accessible) [PDF, 386 KB] (April 2004)
KTA-GS-70 "Status Report for the KTA Safety Fundamentals" "Sachstandsbericht zu den KTA-Sicherheitsgrundlagen" (not accessible) [PDF, 386 KB] (Dezember 2013)
KTA-GS-66 “Collection of Internal Emergency Measures and the Examination of a Possible Regulatory Approach within the KTA-Framework” "Grundlagenpapier - Zusammenstellung anlageninterner Notfallschutzmaßnahmen und die Prüfung ihrer Regelung im KTA" , Bilingual Version (1997) (not accessible) [PDF, 691 KB]
KTA-GS-64 "Status Report for KTA project 2105: Protection of Nuclear Power Plants Against Fragments Caused by Internal Accidents" "Sachstandsbericht zum Regelvorhaben KTA 2105: Schutz von Kernkraftwerken gegen Bruchstücke infolge innerer Störfälle" (not accessible) [PDF, 2 MB] (1994)
KTA-GS-63 "The KTA - Basics and Procedures" "Der KTA - Grundlagen und Verfahren" (not accessible) [PDF, 475 KB] (2013)
KTA-GS-60 "Origin, Task and History of the KTA" "Entstehung, Aufgabe und Arbeit des KTA" (not accessible) [PDF, 2 MB] (Wolfgang Schwarzer, 1993)
KTA-GS-58 "Saftey-related Basic Definitions" "Sicherheitstechnische Grundbegriffe" (not accessible) [PDF, 905 KB] (Dezember 1989)
KTA-GS-55 "KTA 1407 Safety Standard Project Report: Methods to Determine Admissible Maintenance Intervals in Nuclear Power Plants" "Bericht zum Regelvorhaben KTA 1407: Methoden zur Ermittlung von zulässigen Instandhaltungszeiten in Kernkraftwerken" (not accessible) [PDF, 414 KB] (Juni 1989)
KTA-GS-47 "Status Report for the Concept: Classification of Events for the Design of Nuclear Power Plants" "Statusbericht zum Konzept: Klassifizierung von Ereignisabläufen für die Auslegung von Kernkraftwerken" (not accessible) [PDF, 233 KB] (Juni 1985)