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Certifications: Qualified Stack Testing Individual (Groups I, II, III & IV) MSHA/OSHA Safety Trained HAZWOPER Certified Opacity Certified Dave joined Bison in 1997and is a project scientist for the Source Testing group. Dave is certified by the Source Evaluation Society (SES) as a Qualified Individual for the performance of source testing. He has an Associate of Applied Science degree in Environmental Technologies from Montana Tech of the University of Montana. Dave conducts compliance and FYI testing on all types of industrial facilities. He has experience in equipment maintenance/repair, water sampling, opacity observations, PM10 audits and calibrations, protocol/report

Certifications: Engineer In Training MSHA/OSHA Safety Trained HAZWOPER Certified Don is a Project Engineer ll and has been with the Ambient Monitoring group in the Billings office of Bison since 1999. He has been providing technical services to industrial and governmental clients for over 37 years. He holds a Bachelor of Science degree in Environmental Engineering from Montana Tech. His project assignments commonly include ambient air and meteorological data collection, quality assurance, processing and reporting. He performs quality assurance audits, calibrations and maintenance on a variety of ambient monitoring systems, including PM10, PM2.5, SO2, and meteorological installations.

Jake joined Bison in 2015 as a Project Engineer with the Billings Source Testing group. He has a B.S. in Chemical Engineering from Montana State University in Bozeman. Jake became the Branch Manager for the Billings office in 2016. He oversees stack testing and gas flow monitor (GFM) manufacturing in Billings. Jake has extensive knowledge and experience in flow measurement and stack emission measurement and calculations. Jake has earned his QSTI (Qualified Stack Test Individual) certification from the Source Evaluation Society (SES). Earning this certification proves Jake’s dedication to quality stack testing services. A QSTI designation certifies

Certifications: MSHA/OSHA Safety Trained HAZWOPER Certified Jeff joined Bison as a field technician in Billings office in 1999 and has an Associate of Applied Science degree in Industrial Electronic Technology from the North Dakota State School of Science. Jeff’s duties include ambient air and meteorological data collection, quality assurance, processing and reporting; equipment maintenance/repair; water sampling; PM10 and PM2.5 audits and calibrations; and report production. He is also working with the Gas Flow Monitor Division in the manufacture of GFMs. Jeff has sixteen years of prior experience in operating and maintaining ambient air monitoring stations, conducting performance

Jenn joined the Source Testing group at Bison in May 2017. She holds a Bachelor of Science degree in Environmental Management from University of Maryland University College. In addition to report writing, Jenn has assumed some lab manager duties; she processes source test filters and samples and maintains filter/sample tracking records. She helps oversee equipment and chemical inventories, and tracks safety and testing certifications and renewal dates. Jenn assists with source testing projects as needed. She previously worked as a leak detection and repair (LDAR) technician for petrochemical and natural gas facilities. This testing included Method 21