Plastics. Evaluation of the action of microorganismsWhat is this standard about? This document specifies methods for determining the deterioration of plastics due to the action of fungi and bacteria and soil microorganisms. The aim is not to determine the biodegradability of plastics or the deterioration of natural fibre composites. The type and extent of deterioration can be determined by a) visual examination and or b) changes in mass and or c) changes in other physical properties. The tests are

Establishing obsolescence management policy

Annex A gives information on its use in water treatment

• Grades of inspection

BS EN 1090-2 starts by defining constituent products

and M-III (freight vehicles)

Contents of BS 3900-0 contain:

and dimensions and tolerances

Annex B (normative) System for quality assurance and quality control

The objective is to enhance the properties of materials with poor characteristics for use in earth structures

— the design and construction of tax stamps

p)      Clause 20 multi-zoned smoke ventilation systems text relocated to new subclause 20

industrial or public premises