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ATV A 257 : 1989

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

PRINCIPLES FOR THE DIMENSIONING OF WASTEWATER LAGOONS AND IN-LINE BIOLOGICAL FILTERS OR BIOLOGICAL CONTACTORS

Superseded date

01-06-2006

Published date

12-01-2013

DocumentType
Standard
PublisherName
German Association for Water, Wastewater and Waste
Status
Superseded
SupersededBy

BS EN 12255-5:1999 Wastewater treatment plants Lagooning processes
BS EN 12255-7:2002 Wastewater treatment plants Biological fixed-film reactors
EN 12255-5:1999 Wastewater treatment plants - Part 5: Lagooning processes
EN 12255-7:2002 Wastewater treatment plants - Part 7: Biological fixed-film reactors
I.S. EN 12255-5:2000 WASTEWATER TREATMENT PLANTS - PART 5 - LAGOONING PROCESSES

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