to the problem. Our assessments when appropriate can include the following: - Client Interviews - Bioaerosol sampling (mold) - Particulate measurements and characterization - Gaseous... sampling for volatile organic compounds and formaldehyde - Mechanical system review and analysis - Independent third party analysis of the effectiveness of a clients HVAC maintenance... components, air sampling as well as an extensive review of the facility s HVAC system, how it is maintained, its effectiveness for the current tenant use and other mitigating factors...