The increase in vehicle ownership has led to an increase in the number of auto repair companies. However, people have neglected the pollution caused by auto repair companies during the maintenance process. This paper analyzes the 4S shop and a class of maintenance companies and analyzes the company's maintenance process. The pollutants produced and the pollutants produced by them were subjected to predictive analysis, and the atmospheric pollutants were found to be spray paint exhaust gas, grinding dust and welding fumes and their corresponding values. The noise source intensity was 55-65 dB(A); This article can provide a reference for the environmental impact assessment of auto repair companies.
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