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Gary Risse & George Mathes - 2013 Conference Speakers
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You Stink!  A Technical Approach to Dealing with Nuisance Odors 


Presented by Gary Risse, P.E., and George Mathes, P.E.
Senior Engineers
Trihydro Corporation

Nuisance odors create community relation challenges, and often place unwanted regulatory scrutiny on what might be an otherwise well-managed business. Odors may be indicative of a chronic problem, and can incapacitate a business’ ability to operate within a community. This session focuses on logical methods for identifying possible odor sources at processing facilities. We will present approaches for technical evaluation of abatement technologies, and how to avoid the pitfalls of ‘snake-oil’ solutions that promise broad bandwidth, but carry no performance guarantees. The value of community relations during the evaluation process, and how to proactively stay ahead of possible complaints will also be discussed.


Speaker Bios

Gary Risse, P.E. 
Mr. Risse is a Senior Engineer with Trihydro Corporation. He received his B.S. in Civil Engineering from Georgia 
Tech. He is a registered Professional Engineer in Georgia and has over 27 years of experience in the environmental field. His background includes Resource Conservation Recovery Act (RCRA) closure and corrective actions, Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and Superfund site waste removal and decontamination actions. He served as a Wastewater Engineer and ultimately was General Manager of Operations for a multi-location centralized wastewater treatment company, which was affiliated with a bulk chemical transport container cleaning business. His responsibilities have included regulatory negotiations, environmental construction, and regulatory compliance. Mr. Risse currently works for Trihydro Corporation as a Senior Engineer and serves as the Company’s primary liaison with NORA.



George Mathes, P.E.

Mr. Mathes is a Vice President with Trihydro Corporation. He received his B.S. in Civil Engineering and an M.S. in Environmental Engineering, both from the University of Wyoming. He is currently a registered Professional Engineer in 12 states, and has been practicing engineering for over 17 years. He has specific experience in the management and oversight of large-scale projects that require collaboration and coordination between specialty consultants, contractors, regulators, and client/owner stakeholders. Mr. Mathes has managed projects/programs under the jurisdiction of the Resource Conservation and Recovery Act (RCRA), Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), Clean Water Act (CWA), administrative orders on consent, and various other state, federal, and international regulatory programs. His engineering expertise includes the design and construction of in-situ and ex-situ soil/groundwater remediation systems, design of solid and hazardous waste landfills, design and implementation of soil/groundwater/vapor quality assessment programs, and strategic support for large-scale environmental due diligence programs.


more Calendar

2/22/2017 » 2/24/2017
2017 NORA Winter Meeting

6/21/2017 » 6/23/2017
2017 NORA Mid-Year Meeting

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