The goals and main objectives of environmental auditing are considered; it is recommended to limit the setting of specific objectives of environmental auditing to the format of the natural-industrial complex. The article provides data on the expediency of taking into account the consequences of technogenic impact within the natural-industrial complex. The facts of the negative impact of mining enterprises on the biosphere in the Leningrad Region have been revealed. It is proposed to supplement the existing system of environmental monitoring indicators with the characteristics of mining and environmental monitoring, which will allow to register the negative impact of mining enterprises on the state of the natural-industrial complex.