Marine ecological-risk assessment pilot study for Allen Harbor, Narragansett Bay, Rhode Island. Professional paper
Technical Report
·
OSTI ID:5624002
An ecological risk assessment framework was applied to characterize aquatic risks associated with hazardous waste disposal at Naval Construction Battalion Center (NCBC) Davisville, Rhode Island. An initial screening phase (I) assessed exposure and related that exposure to toxicological endpoints for bivalves, amphipods, sea urchins, and biomarker assays. Results showed little evidence of major contamination in sediments or tissues except for relatively high levels of polychlorinated biphenols (PBC), butyltins compounds (TBT), and fecal coliforms observed in Allen Harbor. Effects were detected in mussel physiology, sea urchin fertilization and development, biomarker responses, and soft shell clam histology. Possible sources of contamination and toxicity from the landfill leachate, surface runoff, and recreational boating were examined using a temporaland spatial sampling scheme. Chemical and toxicological information obtained implicated all three sources as affecting Allen Harbor water quality. Laboratory bioassays of landfill exposure media, employing a variety of marine species using acute and chronic endpoints, are being used to provide data for the development of an exposure-response model for risk to the marine environment. The model will define current risk and provide an interpretive framework for long-term monitoring.
- Research Organization:
- Naval Ocean Systems Center, San Diego, CA (United States)
- OSTI ID:
- 5624002
- Report Number(s):
- AD-A-244914/8/XAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
54 ENVIRONMENTAL SCIENCES
540320* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (1990-)
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMALS
AQUATIC ORGANISMS
AROMATICS
BAYS
BENTHOS
BIOASSAY
BIOLOGICAL INDICATORS
CHLORINATED AROMATIC HYDROCARBONS
CLAMS
COASTAL WATERS
ECHINODERMS
ELEMENTS
HALOGENATED AROMATIC HYDROCARBONS
HARBORS
INVERTEBRATES
METALS
MOLLUSCS
MONITORING
MUSSELS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
POLLUTION
POLLUTION SOURCES
RHODE ISLAND
RISK ASSESSMENT
SEA URCHINS
SEDIMENTS
SENSITIVITY
SURFACE WATERS
TIN
TOXICITY
WATER POLLUTION
540320* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (1990-)
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMALS
AQUATIC ORGANISMS
AROMATICS
BAYS
BENTHOS
BIOASSAY
BIOLOGICAL INDICATORS
CHLORINATED AROMATIC HYDROCARBONS
CLAMS
COASTAL WATERS
ECHINODERMS
ELEMENTS
HALOGENATED AROMATIC HYDROCARBONS
HARBORS
INVERTEBRATES
METALS
MOLLUSCS
MONITORING
MUSSELS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
POLLUTION
POLLUTION SOURCES
RHODE ISLAND
RISK ASSESSMENT
SEA URCHINS
SEDIMENTS
SENSITIVITY
SURFACE WATERS
TIN
TOXICITY
WATER POLLUTION