# Olsson Engineering/environmental consulting firm (offices incl. Omaha, NE and Des Moines, IA) serving as [[GROOT LLC]]'s air-permit consultant on Project Pyramid permit 2507-AOP-R0. ## People - Jim Timmons — Project Scientist/Environmental (Des Moines); primary DEQ contact through the application and ERT/HAP exchanges. - Cassie Johnson — Associate Scientist/Environmental (Omaha); pre-draft review comments and initial-notification planning. ## Roles in this corpus - Negotiated the 249-tpy site-wide NOx synthetic-minor cap; handled the disclosure-statement and signature corrections that ended with [[Michael Montfort]] accepted as "Manager." ## Notes [[David Essex]] (google.com) rides the firm's DEQ correspondence as CC — the Google personnel presence inside Groot's permit file.