Soil is an important part of the environment. Soil testing refers to the determination of environmental quality (or pollution degree) and its changing trend by determining the representative value of soil environmental quality factors. Generally speaking, soil monitoring is the monitoring of soil environment, which can be divided into the regional soil background, the soil environmental assessment of the construction project, the soil pollution accident and so on, including the sampling, the sample preparation, the analysis method, the result representation, the data statistics And quality evaluation and other technical content.
       Soil pollution can be divided into two major categories of inorganic pollutants and organic pollutants. Inorganic pollutants mainly include acid, alkali, heavy metals, salts, strontium compounds, arsenic, selenium, fluorine compounds; organic pollutants include cyanide, petroleum, synthetic detergent, municipal sewage, sludge and manure To the harmful microbes and so on.

Soil detection categories: soil testing, sludge monitoring, solid waste monitoring, soil heavy metals and other environmental monitoring.