Nuclear power plants. Instrumentation important to safety. Radiation monitoring for accident and post-accident conditions - General requirements1 Scope This part of IEC 60951 provides general guidance on the design principles and performance criteria for equipment to measure radiation and fluid (gaseous effluents or liquids) radioactivity levels at nuclear power plants during and after an accident. This standard is limited to equipment for continuous monitoring of radioactivity in accident and post accident conditions. The object of this standard is to lay down mandatory general requirements

BS 6923 provides a method of calculating the colour difference between two specimens of the same material

ISO 506 discusses natural and concentrated rubber latex

the robustness of containment

The validity of the measurement is affected both by design and conduct

It is unsuitable for waxes of the petrolatum group

Products not included within the scope of this part of ISO 8124 are:

Bedding in cementitious or reaction resin adhesives on an intermediate substrate or as a direct bedding method

This part of ISO 7967 defines terms relating to pressure charging and air exhaust gas ducting systems for reciprocating internal combustion engines

BS 6736 on hand signalling in agricultural operations applies to:

— advise and support business management with the prioritization of requirements and management of their budgets for IT

NOTE 1 For information

What is BS 4651-1- Density at 20°C of ammonia solution about