Pretreatment inspectors are authorized to enter industrial premises under which regulation?

Pretreatment inspectors have the authority to enter industrial premises primarily under local sewer-use ordinances. These ordinances are established by municipalities or local authorities to regulate the discharge of industrial waste into the sewer system. The goal of these regulations is to protect the wastewater treatment process, safeguard public health, and prevent pollution.

By having the right to enter industrial premises, inspectors can ensure that businesses comply with specific discharge limits and waste treatment requirements set forth in the local regulations. This can include inspecting facilities for proper waste handling, monitoring discharge points, and ensuring adherence to permits granted for wastewater discharge. The local sewer-use ordinances delineate the responsibilities and rights of the inspectors, which is why this is the correct answer.

While the Federal Clean Water Act and state environmental regulations also pertain to water quality and waste management, the specific authorization for inspectors to access industrial facilities is most directly tied to local ordinances. Industry safety standards focus more on workplace safety rather than on environmental compliance and wastewater management.