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Transmittal Letter Re: United States Steel Corporation ("U. S. Steel"), Midwest Plant, Portage, Indiana: Wastewater Treatment O&M Manual and Preventative Maintenance Program Plan

Transmittal Letter Re:United States Steel Corporation ("U. S. Steel"), Midwest Plant, Portage, Indiana: Wastewater Treatment O&M Manual and Preventative Maintenance Program Plan
for U.S. Steel Midwest Plant, in Portage, Indiana.

Transmittal Letter Re: United States Steel Corporation ("U. S. Steel"), Midwest Plant, Portage, Indiana: Wastewater Treatment O&M Manual and Preventative Maintenance Program Plan (pdf) (4/13/2018)