Elliott Bay Action Program: Evaluation of potential contaminant sources. Puget Sound Estuary Program. Final report and appendices
Technical Report
·
OSTI ID:6872330
The evaluation of potential contaminant sources in Elliott Bay and the lower Duwamish River, Seattle, has two major components: identification and ranking of CSO's (Combined Sewers Overflows) and storm drains based on concentrations of chemical contaminants measured in drain sediments; identification of relationships between potential contaminant sources and the high-priority problem areas identified in the receiving environment. Available information on drainage basin areas, discharge locations, contaminant loading, flow rates, permitted facilities and historical problem sites was used to identify, evaluate and rank potential sources of contaminants. Potential sources can be divided into seven major categories: wastewater treatment plants, CSO's, industrial discharges, groundwater, atmospheric deposition, surface runoff and accidental spills. Problem chemicals in each drain were identified on either of the following criteria: levels exceeded highest Apparent Effects Threshold (AET) values for chemicals where AET values have been derived, or levels exceeded 90th percentile of all concentration values. Problem drains were ranked on the following criteria: number of problem chemicals in a drain; magnitude of Elevation Above Reference (EAR) sediment chemistry; contaminant loading index for each drain. Sediment samples were collected from 7 CSO's, 20 storm drains and 15 CSO/storm drains.
- Research Organization:
- Tetra Tech, Inc., Bellevue, WA (USA)
- OSTI ID:
- 6872330
- Report Number(s):
- PB-90-198862/XAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
54 ENVIRONMENTAL SCIENCES
540320* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (1990-)
ATMOSPHERIC PRECIPITATIONS
CHEMICAL EFFLUENTS
CHEMICAL SPILLS
CONTROL
DOCUMENT TYPES
ECOLOGICAL CONCENTRATION
ENVIRONMENTAL TRANSPORT
FEDERAL REGION X
GROUND WATER
HYDROGEN COMPOUNDS
INDUSTRIAL WASTES
INTERFACES
MASS TRANSFER
MONITORING
NORTH AMERICA
OXYGEN COMPOUNDS
PACIFIC OCEAN
POLLUTION
POLLUTION CONTROL
POLLUTION SOURCES
PROGRESS REPORT
PUGET SOUND
RUNOFF
SAMPLING
SEAS
SEDIMENT-WATER INTERFACES
SEDIMENTS
SITE SURVEYS
SURFACE WATERS
URBAN AREAS
USA
WASHINGTON
WASTES
WATER
WATER POLLUTION
WATER POLLUTION CONTROL
WATERSHEDS
540320* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (1990-)
ATMOSPHERIC PRECIPITATIONS
CHEMICAL EFFLUENTS
CHEMICAL SPILLS
CONTROL
DOCUMENT TYPES
ECOLOGICAL CONCENTRATION
ENVIRONMENTAL TRANSPORT
FEDERAL REGION X
GROUND WATER
HYDROGEN COMPOUNDS
INDUSTRIAL WASTES
INTERFACES
MASS TRANSFER
MONITORING
NORTH AMERICA
OXYGEN COMPOUNDS
PACIFIC OCEAN
POLLUTION
POLLUTION CONTROL
POLLUTION SOURCES
PROGRESS REPORT
PUGET SOUND
RUNOFF
SAMPLING
SEAS
SEDIMENT-WATER INTERFACES
SEDIMENTS
SITE SURVEYS
SURFACE WATERS
URBAN AREAS
USA
WASHINGTON
WASTES
WATER
WATER POLLUTION
WATER POLLUTION CONTROL
WATERSHEDS