Forests in the territory of Prague fall into the so-called special purpose category, their function being predominantly recreational. Coll., on the protection of agricultural land fund.
Any excess is viewed as an environmental component pollution case.
B - Artificially introduced criteria, more or less an arithmetic mean of Type A and Type C criteria. Any excess is viewed as a contamination which may have an adverse effect on human health and environmental components and requiring a tentative risk assessment. The risk level requires an assessment. Fourteen sites have been monitored on a regular basis since 1981, but there have not been any essential changes in the concentrations of selected hazardous substances over the whole period at any of the sites. Non-polar extractable substances occur in concentrations well above Limit A at all the sites.