Risk Assessment and Toxicology: Basic Comparison Levels Contaminated Site Cleanup Guidance June 2023 User's Guide and Background Technical Document for the Nevada Division of Environmental Protection (NDEP) Basic Comparison Levels (BCLs) for Human Health for the BMI Complex and Common AreasJune 2023 Nevada Division of Environmental Protection Basic Comparison Levels (PDF)June 2023 Nevada Division of Environmental Protection Basic Comparison Levels (xlsx) Back to Resource Search