BS 1438:1971

Specification for media for biological percolating filters

BSI Group , 09/07/1971

Publisher: BS

File Format: PDF

$132.00$264.16

Description

Standard By:BSI Group , 09/07/1971

Published:09/07/1971

Pages:32

ISBN(s):058006784X

File Size:1 file , 3.4 MB

Language:English

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.