Regulatory Impact Analysis of Proposed Effluent Limitations Guidelines andStandards for the Metal Products and Machinery Industry (Phase 1)

摘要

Section I, which includes the introduction and Chapters 2 and 3, contains a briefoverview of the MP&M industry, summarizes the purpose of the proposed regulatory action, and outlines the rationael underlying EPA's selection of the proposed regulatory option. Section II reviews the economic impacts and expected costs to society of the proposed regulation. Section III assesses the expected benefits to society of the proposed regulation and includes an introductory discussion to the analysis of benefits and 6 chapters. Chapter 6 discusses the reductions in pollutant discharges expected to be achieved by the regulation while Chapter 7 provides an overview of the benefits associated with those discharge reductions and the methodology for analyzing benefits. Chapter 8 contains the analysis of human health-related benefits, and Chapter 9 assesses expected ecological benefits. Chapter 10 supplements Chapter 9's discussion of ecological benefits with an analysis of the effect of reduced pollutant discharges on distributions of aquatic species. Chapter 11 analyzes cost savings to publicly owned treatment works expected to result from reduced metals contamination of sewage sludges that are affected by MP&M industry discharges. The final section and chapter of the document, Chapter 12 presents the overall comparison of monetized costs and benefits for the proposed regulatory option, Option 2a/2.