Water quality. Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation1 Scope This International Standard specifies a method for assessing the inhibitory effect of a test material on the oxygen consumption of activated sludge microorganisms. This method is intended to represent the conditions in biological waste water treatment plants. It gives information on inhibitory or stimulatory effects after a short exposure (usually 30 min up to 180 min or even more) of the test material on activated sludge microorganisms. This

What is BS 1635 - Recommendations for graphic symbols and abbreviations about

The aim of BS ISO 22310:2006 is to assist those involved in the writing of documentation and records management requirements in standards

Damage and faults

This can help make the right production decisions to ensure durability and long service life of polyamide-imide enamelled rectangular copper wires

BS 9122 on qualification and approval of UAS is useful for:

BS 5116 guides the manufacturers to streamline production so that users have access to superior products made from suitable materials

marking of the component and package

These jointing compounds are for use in contact with 1st family gases (town gas)

This document covers spray-applied coatings applied on new carbon and austenitic stainless steel for use in CUI service

PAS 402 specifies requirements for performance reporting by a waste resource management organization

ISO 15001 was prepared by Technical Committee ISO/TC 121

What is BS EN 13895 – Tensile properties of monofilaments about