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Services Provided
ü Environmental Restoration
ü Site Characterization
ü Waste Retrieval, Transportation,
Disposal
ü Risk Assessment, Risk-Based
Closure
Technologies Used
ü Computer Expert System Software
Relevance
ü Groundwater, Soil, UST
ü Hazardous, Petroleum
ü Turn-Key Remedial Operation
ü Government Client
ü HAZWOPER
ü Data Validation
ü GIS, AutoCAD
ü HASP, SAP, QAPjP
Accomplishment
ü Successful closure of waste site
ü Timely operation to accommodate
customer's expedited schedule
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Title: Expedited Complete (Soil and Groundwater) Plume Delineation, ECPD
Client: Texas Natural Resources Conservation Commission (TNRCC)
Austin, Texas
ETAS Corporation was selected by TNRCC to provide expedited site characterization and closure related to
leaking underground storage tanks (UST's) within the State of Texas. Primarily using the direct-push Geoprobe technology, this contract involved extensive site
characterization to support site closure. The scop of work included soil borings, installation of monitoring wells, sampling and analysis, and preparation of the LSA/CSA
Reports and Plan A Risk Assessments. For most of the task orders under this Basic Ordering Agreement (BOA) contract, these documents were used as evidence for site
closure. However, at one site, the Plan A Risk Assessment recommended that a "hot spot" removal be performed before closure. ETAS Corporation was later
authorized to perform the removal action and closed the site.
Accomplishment: By using the appropriate sampling
protocol, performing minimal removal actions, and applying risk-based closure standards, ETAS Corporation was able to justify closure of numerous USTs within the State. Use of the
direct-push geoprobe saved the client significant amounts of time, as well as resulting in cost savings by avoiding more expensive drilling techniques for obtaining soil samples.
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