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Dr. C. E. Schmidt |
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Dr. C. E. Schmidt |
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- Air Pathway Analysis assessing indoor and outdoor exposure potential supporting health risk assessment.
- Area source flux chamber testing using the dynamic USEPA Flux Chamber.
- Indoor and outdoor ambient air measurement and monitoring programs.
- Project Quality Assurance/Quality Control development - work plans and QAPPs.
- Method development and protocol validation/documentation.
- Independent project evaluation, assessment, and direction.
- Subsurface site assessment using the dynamic USEPA Downhole Flux Chamber
Why Flux? |
Referral Letters |
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Testimony from leading experts on using flux data obtained from using the 'dynamic' USEPA Surface Emission Isolation Flux Chamber....
| Tom Card, P.E., Environmental Management Consultant | Wastewater treatment plant assessment, odor assessment and control, support for design work. |
| Teri Copeland, D.A.B.T., Toxicologist | Health risk assessment via inhalation. |
| Dr. Eric Winegar, Applied Measurement Sciences | Ambient air monitoring and field measurement services. |
| Larry Hentz, P.E., PBS&J | Solid waste composting and wastewater facility assessment. |
| John Minatti, State of Utah DEQ | Assessment of exposure from subsurface sources. |
| More later .... |
Dr. Schmidt is an independent consultant located in Red Bluff, California (near Redding), willing to serve the needs of clients regardless of location. Dr. Schmidt has worked as a consultant for over 22 years and has many years of experience developing project-specific technical approaches, directing applied research, managing programs including subcontractors, and marketing. His main interests include conducting area source assessments using the US EPA flux chamber, developing innovative cost effective approaches to solve environmental problems, and conducting high quality technical research. Dr. Schmidt's goal is to provide a high quality technical consulting service to his clients with his principle role being a problem solver.
Dr. Schmidt provides a variety of professional services, however he is a leading expert in conducting area source assessments. While at Radian Corporation and under contract to the US EPA, Dr. Schmidt developed the US EPA recommended surface emission isolation flux chamber area source assessment technology and assisted in developing the Air Pathway Analysis (APA) approach recommended by the US EPA. As a leader in this field, he has conducted hundreds of assessments from practically every known area source including uncontrolled and controlled hazardous waste landfills, municipal landfills, many unit processes at TSDFs, hazardous and municipal wastewater treatment facilities, land application treatment facilities, fugitive emissions from a variety of industrial and agricultural processes including farms and composting, odor assessments, and urban sources such as assessing impacts from contaminated groundwater plumes in the urban environment. Typically, these data are used to support exposure assessment supporting screening-level or in-depth level health risk assessments.He has developed and uses other gas-phase, site assessment technologies including the US EPA recommended downhole flux chamber and various soil gas assessment approaches. The data collected from using these technologies, especially the surface flux chamber, provide high quality, representative area source data that go beyond the data quality provided by predictive (screening-level) modeling assessment approaches. Area source flux data, used with an appropriate dispersion model, provide for in-depth level APA that can be used to meet the needs for many project investigations.
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Dr. C.E. Schmidt |
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