This one-day workshop deals with unique appraisal problems resulting from contamination and other issues.  The workshop uses case studies developed from actual market data, steps the participants through the appraisal process of measuring value and/or value loss. Topics include mold, mercury, meth labs, asbestos, ground contamination, oil spills, fracking, sinkholes, Chinese drywall, laminate flooring, snake infestations and stigma. This workshop discusses how to establish and use benchmarks from the market