Exploration Team Members (ETMs) will perform subsurface exploration duties using conventional drilling or in situ testing techniques. Drill methods may include; auger drilling, mud rotary drilling, air rotary drilling, and diamond bit coring techniques. In situ testing techniques may include cone penetration testing (CPT), pressure meter testing, and rock dilatometer test

ABOUT THE TEPA COMPANIES The Tepa Companies are wholly owned subsidiaries of the Paskenta Band of Nomlaki Indians. They deliver comprehensive and sustainable solutions to federal, state, local and private sector clients throughout the United States. The tribally owned companies work independently and collaboratively to provide wide ranging construction, engineering, envir