Cleanrooms and associated controlled environments - Classification of airborne molecular contaminationBS EN ISO 14644 8 covers the classification of airborne molecular contamination (AMC) in cleanrooms and associated controlled environments, in terms of airborne concentrations of specific chemical substances (individual, group or category). It provides a protocol to include test methods, analysis and time weighted factors within the specification for classification. Within this part of ISO 14644, the presence of airborne molecules is expressed as

Also Clauses 4 and 5 have been revised

Other aspects of vehicle breakdown

the telecommunications and information technology industries are seeking cost-effective comprehensive security solutions

implementing and maintaining prerequisite programmes (PRPs) to assist in controlling food safety risks in retail

A Comprehensive Guide to Fire Safety was previously published as Fire Precautions: A guide for management

BS EN 15381 may be used by designers

Who is BS 476-23 - Components to the fire resistance of a structure for

BS EN 15267-1 applies to the certification of all AMS for monitoring ambient air quality and emissions from stationary sources for which performance criteria and test procedures are available in European Standards

Test method for determining the ability of metallic materials to undergo plastic deformation in bending

and construction of the thermowell

Multiresidue methods for the gas chromatographic determination of pesticide residues

e) A number of discipline-specific business continuity terms have been modified to improve clarity and reflect current thinking