Explosive washout lagoons soils operable unit supplemental investigation technical and environmental management support of installation restoration technology development program, Umatilla Depot Activity, Hermiston. Oregon. Phase 2. Final Draft report, May 1991-May 1992
As part of an ongoing Remedial Investigation/Feasibility Study at the Umatilla Army Depot, the soils of the Explosives Washout Lagoons at that installation were assigned as an operable unit for a possible expedited remedial action. Additional sampling was conducted to determine the explosives concentrations at depth beneath the lagoons, and to verify the absence of other contaminants. Explosives contamination was found from the ground surface to the groundwater at 47 feet. Concentrations were much higher in the top 3 feet than in the soil beneath that. Other organic contamination was not present; some metals were elevated slightly above background. The results of the study are being used in a feasibility study of remedial action alternatives.
- Research Organization:
- CH2M Hill Northwest, Inc., Bellevue, WA (United States)
- OSTI ID:
- 189742
- Report Number(s):
- AD-A-299004/2/XAB; CNN: Contract DE-A606-76RL01830; TRN: 60360778
- Resource Relation:
- Other Information: PBD: 15 Apr 1992
- Country of Publication:
- United States
- Language:
- English
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