U.S. Steel released the following statement- "U. S. Steel is committed to complying with all environmental standards, to ensuring the safety of our employees and our neighbors in the communities in which we live and operate, and to safeguarding our shared environment. We take that responsibility very seriously and recognize this as a critical aspect of our role as a member of each community in which we operate. We also take every incident seriously. We have worked with appropriate government agencies in the past as effectively as possible and continue those efforts as part of our work to continuously improve our environmental compliance processes."