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Instructions for preparing for and completing the online exam for underground storage tank operator certification.

Hot mix asphalt plants in Minnesota must follow federal and state air standards.

A waste is any material that can no longer be used for its original intended purpose. The type of waste generated can include recyclables, solid waste, and hazardous wastes, which may be subject to specific management and disposal requirements.

The StormReady designation recognizes the MPCA’s commitment to emergency management planning and continuity of operations during an emergency.

Complaints of discrimination will be investigated

Residential- and high-strength wastewater products registered for use in Minnesota, including the manufacturer's name, a link to the company's web site, and the registered product's name and model.

Facilities that produce air emissions can benefit by proposing limits on their own operations to avoid certain types of regulatory requirements. You might accept limits to stay under emission…

MPCA recognized 253 municipal and industrial wastewater treatment plants for outstanding operations in 2023.