With background material on environmental contamination, media, and costs, Environmental Site Assessment Phase I: Regulations and Guidelines presents a clear, concise methodology for conducting an environmental site assessment. After a brief overview of liability concerns and important terms, this book offers a useful comparison of prior ESA methods and new EPA mandates. This third edition includes an easy-to-follow guide to identifying and clarifying the latest EPA standards and practices for all appropriate inquiries. All chapters are updated to reflect the latest regulations, and a new section addresses moisture and mold as well as other substances that may impact the value of structures.