Calculating Upper Confidence Limits for Exposure Point Concentrations at Hazardous Waste Sites: December 2002

Updates a guidance on estimating exposure of individuals to chemicals at hazardous waste sites with alternative methods for calculating the 95% upper confidence limit of the mean concentration.

• Calculating Upper Confidence Limits for Exposure Point Concentrations at Hazardous Waste Sites: December 2002 (pdf) (920.65 KB)
  Updates a guidance on estimating exposure of individuals to chemicals at hazardous waste sites with alternative methods for calculating the 95% upper confidence limit of the mean concentration.