This standard specifies acceptable primary containment leakage rate test requirements to assure valid testing. The scope includes

1) leakage test requirements;

2) test instrumentation;

3) test procedures;

4) test methods;

5) acceptance criteria;

6) data analysis;

7) inspection and recording of test results.

Purpose

This standard provides a basis for determining leakage rates through the primary containment of light water reactor nuclear power plants and for implementation of an acceptable performancebased leakage testing program.

The examples given in various sections of this standard do not contain or modify any requirements. These examples are for illustration only and are provided to clarify the intent of the text. Furthermore, the examples are not meant to be all-inclusive. Examples of alternative methods or exceptions to general requirements do not constitute permission to categorically apply the exceptions. Each alternative or exception needs to be evaluated to determine its validity and effect.

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