NEN 6622-1988
Sludge - Determination of sand and other acidinsoluble material, and the fraction with a partiele size greater than 0,1 mm - Gravimetric method

Standard No.

NEN 6622-1988

Release Date

1988

Published By

NL-NEN

Latest

NEN 6622-1988

Scope

The standard applies to all types of sludge. The method is mainly aimed at checking the proper functioning of sand traps at wastewater treatment plants.

NEN 6622-1988 history

• 1988 NEN 6622-1988 Sludge - Determination of sand and other acidinsoluble material, and the fraction with a partiele size greater than 0,1 mm - Gravimetric method