SCHN 2021 Form 10-K

26 / Schnitzer Steel Industries, Inc. Form 10-K 2021 Environmental compliance costs and potential environmental liabilities may have a material adverse effect on our financial condition and results of operations Compliance with environmental laws and regulations is a significant factor in our business. We are subject to local, state, and federal environmental laws and regulations in the U.S. and other countries relating to, among other matters:  Waste disposal;  Air emissions;  Waste water and storm water management, treatment, and discharge;  The use and treatment of groundwater;  Soil and groundwater contamination and remediation;  Climate change;  Generation, discharge, storage, handling, and disposal of hazardous materials and secondary materials; and  Employee health and safety. We are also required to obtain environmental permits from governmental authorities for certain operations. Violation of or failure to obtain permits or comply with these laws or regulations could result in our business being fined or otherwise sanctioned by regulators or becoming subject to litigation by private parties. In recent years, capital expenditures for environmental projects have increased and have represented a significant share of our total capital expenditures. Future environmental compliance costs, including capital expenditures for environmental projects, may increase because of new laws and regulations, changing interpretations and stricter enforcement of current laws and regulations by regulatory authorities, expanding emissions, groundwater and other testing requirements, and new information on emission or contaminant levels including with respect to emerging contaminants such as per- and polyfluoroalkyl substances (PFAS), uncertainty regarding adequate pollution control levels, the future costs of pollution control technology, and issues related to climate change. We have seen an increased focus by federal, state, and local regulators on metals recycling and auto dismantling facilities and new or expanding regulatory requirements. In July 2021, the EPA issued an enforcement alert reflecting a national enforcement initiative in conjunction with state regulators focused on Clean Air Act compliance at metal recycling facilities that operate auto and scrap metal shredders. While we believe we are an industry leader in emission controls and have been working with state and local regulators on compliance and permitting matters, we have in the past and may in the future be subject to enforcement actions or litigation by regulators or private parties that could result in additional penalties, compliance requirements, or capital investments. See “Legal Proceedings” in Part I, Item 3 of this report. In addition, on October 15, 2021, the California State Department of Toxic Substance Control (DTSC) submitted proposed emergency regulations to the Office of Administrative Law (OAL) that would require metal shredding facilities in California, including our Oakland facility, to operate under state hazardous waste facility permits. OAL has 10 calendar days within which to review and make a decision on the proposed emergency rulemaking. If the emergency regulations are approved, metal shredding facilities in California would have 30 days to file to obtain “interim status” that, according to DTSC, is necessary for facilities to continue operating through the permit application process, which could take as long as five years. The California metal recycling industry is working with DTSC to identify an alternative regulatory framework and permitting regime under existing law that could accommodate the unique aspects of metal shredding facility operations. Operating under DTSC’s hazardous waste permitting requirements, including under interim status regulations, or under an alternative permitting structure could require substantial additional capital expenditures, impose financial assurance obligations, subject us to increased compliance and penalty risks, severely limit operational flexibility and increase operating costs, or adversely impact our ability to acquire or sell materials at our California facilities which could have a material adverse effect on our financial condition, results of operations, and cash flows.

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