Cherokee Nation	Tahleguah, Oklahoma	Phase I and II Environmental Site Assessment for a brownfield project including a former landfill. The project also included the development of a QAPP, H & S, S & A Plans with EPA approval
Association South Central Oklahoma	Duncan, Oklahoma	Phase I and II Environmental Site Assessments for a brownfield project including 8 sites located in southern Oklahoma. The project also included the development of QAPP, H & S, S & A Plans with EPA approval.
U.S. Army Corps of Engineers	Tulsa, Oklahoma	Phase II and III Environmental Site Assessment services for a brownfield project including 2 abandoned schools totaling over 117,000 sq. ft. of floor space. The project also included the development of QAPP, H & S, S & A Plans with EPA approval.
U.S. Army Corps of Engineers	Tulsa, Oklahoma	Phase I and II Environmental Site Assessment of an 8 acre site located in Oklahoma City, Oklahoma