BS 2742:2009
Use of the Ringelmann and miniature smoke charts

Standard No.

BS 2742:2009

Release Date

2009

Published By

British Standards Institution (BSI)

Latest

BS 2742:2009

Replace By

GA 40-2018

Replace

08/30179078 DC-2008 BS 2742:1969

Scope

This British Standard provides guidance on the use of BS Ringelmann charts to assess smoke emissions from unregulated processes. It is not suitable for calibrating Continuous Emissions Monitoring Systems. It is not applicable to processes whose emissions are regulated by EU Directives with stated Uncertainty. NOTE Most regulated processes have particulate emissions limits below Ringelmann 1. This British Standard is intended for use with the related publications: • BS 2742C, Ringelmann chart; • BS 2742M, Miniature smoke chart. Other measuring devices or charts are not suitable for use with this British Standard.

BS 2742:2009 Referenced Document

• BS 2742C Ringelmann chart
• BS 2742M Miniature smoke chart

BS 2742:2009 history

• 2009 BS 2742:2009 Use of the Ringelmann and miniature smoke charts
• 1969 BS 2742:1969 Notes on the use of the Ringelmann and miniature smoke charts

BS 2742:2009 Use of the Ringelmann and miniature smoke charts was changed to GA 40-2018 The filing documents of road traffic accidents.