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Water quality. Operating surveillance of water quality in water treatment
WITHDRAWN published on 1.4.1991
Selected format:Water quality. Surveillance of water quality in treatment of water intended for human consumption
WITHDRAWN published on 1.9.2001
Selected format:Water quality. Raw water for treatment at drinking water
WITHDRAWN published on 1.12.1998
Selected format:Water quality. Surface water quality control
Standard published on 1.3.1999
Selected format:Water quality. Surveillance of surface water
WITHDRAWN published on 1.3.1990
Selected format:Water quality. Classification of surface water quality
WITHDRAWN published on 1.1.1999
Selected format:Water quality. Classification of surface water quality
WITHDRAWN published on 1.8.1989
Selected format:Water quality. Waste water and special water inspection
Standard published on 1.3.1999
Selected format:Inspection of waste and special waters
WITHDRAWN published on 1.3.1987
Selected format:Water quality. Chemical and physical analysis. General instructions
WITHDRAWN published on 1.11.1996
Selected format:Latest update: 2026-09-02 (Number of items: 2 300 045)
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