Sludge bed

Standard published on 1.2.1991

Water protection against petroleum substances. Plants for handling of petroleum matters and their storage

Standard published on 1.10.1992

Water protection against petroleum substances. Plants for handling of petroleum matters and their storage

Change published on 1.6.1996

Prevention of surface and ground water contamination caused by road transport of oil and oil-derived products

Standard published on 1.2.1987

Investigation for amelioration on agricultural lands. Basic regulations

Standard published on 1.12.1993

Amelioration. Control of sub-surface water management of agricultural lands by draining

Standard published on 1.3.1995

Hydrotechnical amelioration. Drainage canals

Standard published on 1.2.1993

Hydrotechnical amelioration. Irrigation pipe networks

Standard published on 1.3.1993

Conservation of agricultural soils. Basic regulations

Standard published on 1.4.2000

Identification Plates for Water Supply

Standard published on 1.9.1995