Water. Spectrophotometric determination of chlorophyll a

Norma vydána dne 1.1.1991

Nature protection. Hydrosphere. General requirements for sampling of botton sediments of water objects for their pollution analysis

Norma vydána dne 1.1.1982

Nature protection. Hydrosphere. Hygienic requirements to recreation areas at water object

Norma vydána dne 1.7.1982

Nature protection. Hydrosphere. Apparatus and mechanisms for selection, initial treatment and stering samples of natural waters. General specifications

Norma vydána dne 1.1.1984

Nature protection. Atmosphere. Classification of emission according to composition

Norma vydána dne 1.1.1977

Nature protection. Atmosphere. Terms and definitions of emission from motor vehicles, tractors, agricultural machinery and road-building vehicles

Norma vydána dne 1.1.1977

Nature protection. Atmosphere. Automobile diesels. Exhaust smoke opacity. Rates and methods of measurement

Norma vydána dne 1.7.1985

Nature protection. Atmosphere. Rates and testing methods of exhaust smoke from diesel engines, tractors and agricultural machines

Norma vydána dne 1.7.1999

Nature protection. Atmosphere. Civil aviation aeroplane gas-turbine engines. Norms and methods of contaminant ejection determination

Norma vydána dne 1.1.1987

Protection of the environment. Atmosphere. Engines minitractors and minimecanical objects. Rates and testing methods of exhaust emission and smoke

Norma vydána dne 1.7.2001