Ecology

Methodical instructions contain recommendations for laboratory classes. A wide range of normative basis indicators of quality of atmospheric air, water, their peculiarities and values are considered. The rules of snow and water sampling and preparation, procedures of analyses by unified chemical-analytical methods are described. The issues of anthropogenic load influence on the ecological state of soils are reflected and the rules of soil sampling and preparation for analyses are considered. Also presented is the methodology of nitrate determination in different vegetables.