Water quality — Enumeration of culturable microorganisms — Colony count by spread plate inoculation ...
This document specifies a method for the enumeration of culturable microorganisms in water by counting the colonies on a low-nutrient agar culture medium after incubation at 22 °C for 7 d.
The method is intended to measure the operational efficiency of the treatment process of public drinking water supplies, including the water in distribution systems and containers. The method is particularly…
ISO 17724:2003 defines terms relating to graphical symbols, principally symbols for public information and use on equipment and safety signs. It does not include terms related to graphical symbols for diagrams [technical product documentation (tpd) symbols].
The definitions are intended to serve as a basis for consideration by those concerned with producing new, or revising existing standards.
Protective equipment for use in ice hockey — Part 5: Neck laceration protectors for use in ice hocke...
ISO 10256-5:2017 specifies performance requirements and test methods for neck laceration protectors for use in ice hockey and is intended to be used in conjunction with ISO 10256-1:2024. The 2017 version needs revisions to align with the other parts of the 10256 series, currently awaiting publication.
Industrial systems, installations and equipment and industrial products — Structuring principles and...
IEC 81346-2:2019 establishes classification schemes with defined object classes and their associated letter codes, and is primarily intended for use in reference designations and for designation of generic types. The classification schemes are applicable for objects in all technical disciplines and all branches of industry. IEC 81346-2:2019 is a horizontal publication also intended for for use by…