System of standards in nature protection and improving utilization of nature resources. General basic rules

Norma vydána dne 1.1.1977

Protection of the environment. Enterprise ecological certificate. Fundamental regulations. Typical forms

Norma vydána dne 1.7.2001

Nature protection hjdrosphere. Classification of water usage

Norma vydána dne 1.7.1986

Nature protection. Hydrosphere. Underground waters classification according to water usage

Norma vydána dne 1.7.1981

Nature protection. Hydrosphere. The criteria and quality characteristics of water for irrigation

Norma vydána dne 1.7.1991

Nature protection. Hydrosphere. Indices of state and requlation for valuation survey of tisnery waters

Norma vydána dne 1.7.1978

Nature protection. Hydrosphere. Requlations of water objects` protection in timber-rafting

Norma vydána dne 1.1.1978

Nature protection. Hydrosphere. Regulations for protection of waters from contamination due to drilling and operation of oil or gas sea wells

Norma vydána dne 1.1.1978

Nature protection. Hydrosphere. General requirements for surface and underground water protection against pollution by oil and oil products

Norma vydána dne 1.1.1983

Nature protection. Hydrosphere. General requirements to protection of underground waters

Norma vydána dne 1.1.1983