Sediment-quality-values refinement. Volume 1. 1988 update and evaluation of Puget Sound AET (Apparent Effects Threshold). Final report

Technical Report · Thu Sep 01 04:00:00 EDT 1988

OSTI ID:5842794

Barrick, R; Becker, S; Brown, L; Beller, H; Pastorok, R

This report contains a detailed evaluation of the Apparent Effects Threshold (AET) approach. The AET approach can be used to develop chemical-specific sediment-quality values. As part of the effort, AET values were generated for Puget Sound, Washington, and applied in a predictive manner to approximately 300 stations. The objective of the investigation was to test the reliability of AET, and potential sediment quality standards based on AET, in predicting adverse biological effects associated with sediment contamination. Of the 201 benthic infauna stations and 287 amphipod bioassay stations evaluated, approximately 75% were in accordance with AET predictions. Approximately 96% of the 50 stations at which oyster larvae and microtox bioassays performed were in accordance with AET predictios. Based on AET for the four biological indicators, Puget Sound maps were produced showing the location of predicted impacts in the estuary. The effort involved the generation and evaluation of AET for 58 metal and organic chemicals.

• Research Organization: PTI Environmental Services, Bellevue, WA (USA)
• OSTI ID: 5842794
• Report Number(s): PB-89-200398/XAB
• Country of Publication: United States
• Language: English

Related Subjects

520200* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560300 -- Chemicals Metabolism & Toxicology
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMALS
AQUATIC ORGANISMS
ARTHROPODS
BIOASSAY
BIOLOGICAL INDICATORS
CRUSTACEANS
DOCUMENT TYPES
ELEMENTS
ENVIRONMENTAL IMPACTS
ENVIRONMENTAL QUALITY
INVERTEBRATES
MAPS
METALS
MOLLUSCS
OYSTERS
PACIFIC OCEAN
POLLUTION
PROGRESS REPORT
PUGET SOUND
SEAS
SEDIMENTS
STANDARDS
SURFACE WATERS
WATER POLLUTION