dse has reviewed and investigated over 190 dry cleaner and chemical plant related cases. This involved reviewing the sites, reports, files and dozens of other cases involving the related impacts. Many of these cases involve remediation and remedial cost estimates; investigation and cleanup of impacts; indoor air quality, including soiled commercial or residential carpet/interior assessments, asbestos, lead-based paint and mold; environmental consulting industry practices, errors and omissions; chemical plant safety, and environmental safety and/or health standards.