Survey of Underground Storage Tanks and Other Subsurface Structures at the Umatilla Depot Activity, Hermiston, Oregon
Abstract
This document is the Standard Operating Procedure (SOP) for the performance of a survey of underground storage tanks (UST) and other subsurface structures at the Umatilla Depot Activity (UMDA), Hermiston, Oregon This plan has been prepared under Contract No. DAAAl5-88-D-0008, Delivery Order No. 3, for the U.S. Army Toxic and Hazardous Materials Agency (USATHAMA) in support of the U.S. Department of Defense (DOD) Base Realignment and Closure (BRAC) Program at UMDA. This project is being performed in conjunction with, though not as part of, the Remedial Investigation/Feasibility Study (RI/FS) of UMDA. The Army needs to determine--prior to base closure and property excessing--if any USTs are leaking or have leaked, thereby releasing contaminants to surrounding soils and possibly groundwater, and if other subsurface structures exist that may be potential contamination sources or potentially providing conduits for contaminant migration. This SOP presents the technical approach for performance of the UST/subsurface structure survey at UMD. It includes the methodologies and procedures that will be followed in identifying and locating USTs and other subsurface structures, performing leak testing of the tanks, and performing sampling investigations, as necessary.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 1990
- Accession Number
- ADA467010