BS 1438:1971

Specification for media for biological percolating filters

BSI Group, 09/07/1971

Publisher: BS

File Format: PDF

$125.00$251.46

Description

Published:07/09/1971

Pages:32

File Size:1 file , 3.4 MB

Note:This product is unavailable in Ukraine, Russia, Belarus

Single-sized materials, 63 mm to 14 mm, including coke, clinker, gravel, crushed stone, slag for treatment of water, sewage, trade effluents. Durability; sizes; descriptions of shape, nature of surface and group classification; flakiness, cleanness, sampling and testing; supplier's certificate; independent tests. Notes on use appended.

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