Standard Test Method for Color and Color-Difference Measurement by Tristimulus Colorimetry Ingestion-build-58863 Functional safety is that part

Functional safety is that part of the overall safety that relates specifically to the measures required within the gas detection system to avoid or to handle failures in such a manner that the safety function is ensured

It is applicable to piping systems intended for the supply of water under pressure up to and including 25 °C (cold water) intended for human consumption and for general purposes as well as for waste water under pressure

Annex C (normative) Biological tests

welding end connection for the first circumferential joint for welded connections

BS EN 62006 on small hydroelectric installations are useful for:

Standard Test Method for Color and Color-Difference Measurement by Tristimulus Colorimetry Ingestion-build-58863 Functional safety is that part