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PSD/NSR/State Permit Applications
Permitting regulations that apply to our clients’ projects generally range from state or local requirements for minor modifications to federal Prevention of Significant Deterioration (PSD) or Nonattainment New Source Review (NSR) rules for major sources. As part of our air permitting services, Bison can help your company navigate the sea of regulations to get the right permits at the right time.
| Air Quality Permitting Team |
| Harold W. Robbins President |
| Jeffrey T. Chaffee, P.E. Executive VP |
| Kevin M. Mathews Project Engineer |
| Christopher P. Hiltunen, P.E. Project Engineer |
| Michael Machler Senior Scientist |
| Joseph S. Peterson Project Engineer |
| G. Nathan Bartow Project Engineer |
| Bret W. Gallo Project Engineer |
| Steve Fryberger Air Specialist/Billings Office Manager |
| Rebecca Picchioni, P.E. Staff Engineer |
| Derek Fleming, E.I. Staff Engineer |
| Grant Rodway, E.I. Staff Engineer |
