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Old Mouth of the Cowlitz River Sediment Evaluation
Entry ID:
BESTsed28
Summary
Abstract:
The old mouth of the Cowlitz River provides a channel from deep water
in the Columbia River to old river mile 0.7 of the Cowlitz River. The site has been dredged in the past to maintain the channel. The objective of the study was to evaluate the sediments for chemical contaminants and physical parameters which would prohibit unconfined in-water disposal. Analytical testing for metals, ... ![]()
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Geographic Coverage
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Spatial coordinates
Data Set Citation
Dataset Originator/Creator:
Mark Siipola, U.S. Army Corps of Engineers
Dataset Title:
Old Mouth of the Cowlitz River Sediment Evaluation
Dataset Release Date:
unknown
Dataset Release Place:
Seattle, Washington
Dataset Publisher:
U.S. Environmental Protection Agency, Region 10
Data Presentation Form:
database
Temporal Coverage
Start Date:
1991-01-01
Stop Date:
1991-01-01
Location Keywords
Science Keywords
ISO Topic Category
Quality
Laboratory quality control consisted of method blanks, duplicate
analyses, matrix spikes, and surrogate spike recoveries. All QC data were within acceptable limits with the exception of matrix spike recoveries for three pesticides. The recoveries were outside of the upper control limits; however, as these compounds were not ... ![]()
Access Constraints
None
Use Constraints
None
Ancillary Keywords
Data Set Progress
COMPLETE
Data Center
Personnel
Publications/References
U.S. Army Corps of Engineers. 1991. Old mouth of the Cowlitz River
sediment evaluation. Unpublished data. U.S. Army Corps of Engineers, Portland District, Troutdale, OR. Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date:
2001-05-27
Last DIF Revision Date:
2012-12-12
Future DIF Review Date:
2002-05-27
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