Water quality. Sampling - Guidance on sampling of sludges Ingestion-build-276583 (See clause 3

(See clause 3

BS IEC 62679‑2 specifies the essential ratings and characteristics of EPD modules for the evaluation of optical and electro-optical performances

BS 5568:1978

Requirements are also given for welding

available in the grades

Water quality. Sampling - Guidance on sampling of sludges Ingestion-build-276583 (See clause 31 Scope This part of ISO 5667 gives guidance on the sampling of sludges from wastewater treatment works, water treatment works and industrial processes. It is applicable to all types of sludge arising from these works and also to sludges of similar characteristics, e. g. septic tank sludges. Guidance is also given on the design of sampling programmes and techniques for the collection of samples.