Recent analyses of the muscle of several fish specimens and the muscle, liver and fat of the Baikal seal show low levels of heavy metals and organochlorine compounds.

Present and past observations suggest that despite land-based sources of pollution, the general health status of the lake is good. However, because of increasing local air pollution, the long-range transport of pollutants emitted elsewhere and the expected increase in pollutants reaching the lake via rivers, extremely careful control measures in the hydrographic basin and continuous monitoring of the lake water are essential.

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