
5766 Flagstaff Road, Boulder, Colorado 80302
303-786-9111 office | 720-351-8945 cell Info@TerraLogicSS.com

Mr. Hirsch is persistent in maintaining the state of the art knowledge of current TMDL regulations. We have found that Mr. Hirsch develops technically sound work products that incorporate practical solutions to improve water quality. We believe that he can continue to provide excellent water quality consulting to transportation projects in Colorado. He provides great leadership skills during stakeholder meetings and definitely works well with people.
Bruce Zander, Former TMDL/Water Quality Section Leader
United States Environmental Protection Agency Region 8