The process of installing a new underground storage tank system from scratch. It involves the complete construction and installation of the tank, the process of installing a new underground storage tank system from scratch. It involves the complete construction and installation of the tank. The process of installing a new underground storage tank system from scratch. It involves the complete construction and installation of the tank, the process of installing a new underground storage tank system from scratch. It involves the complete construction and installation of the tank.The process of installing a new underground storage tank system from scratch. It involves the complete construction and installation of the tank, the process of installing a new underground storage tank system from scratch. It involves the complete construction and installation of the tank.The process of installing a new underground storage tank system from scratch. It involves the complete construction and installation of the tank, the process of installing a new underground storage tank system from scratch. It involves the complete construction and installation of the tank.