BS 1438:2004
Aggregates - Single-sized aggregates for use as a medium in biological percolating filters

Standard No.

BS 1438:2004

Release Date

2004

Published By

British Standards Institution (BSI)

Status

Be replaced

Replace By

BS 1438:2004(2009)

Latest

BS 1438:2004(2009)

Replace

03/316713 DC-2003 BS 1438:1971

Scope

This British Standard specifies the properties of single-sized aggregates for use as a medium in biological percolating filters. NOTE Suitable aggregates include crushed natural aggregate, metallurgical slags, selected bottom ashes, sintered pulverized fuel ash and other similar materials.

BS 1438:2004 history

• 0000 BS 1438:2004(2009)
• 2004 BS 1438:2004 Aggregates - Single-sized aggregates for use as a medium in biological percolating filters