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Main Title Sediment Quality Values Refinement. Volume 1. 1988 Update and Evaluation of Puget Sound AET (Apparent Effects Threshold).
Author Barrick, R. ; Becker, S. ; Brown, L. ; Beller, H. ; Pastorok, R. ;
CORP Author PTI Environmental Services, Bellevue, WA. ;Tetra Tech, Inc., Bellevue, WA.;Environmental Protection Agency, Seattle, WA. Region X.
Publisher Sep 88
Year Published 1988
Report Number EPA-68-01-4341; EPA/910/9-88/246A;
Stock Number PB89-200398
Additional Subjects Sediments ; Marine biology ; Water pollution ; Puget Sound Estuary ; Standards ; Tests ; Oysters ; Bioassay ; Environmental impacts ; Crustacae ; Maps ; Metals ; Sites ; Washington(State) ; Chemicals ; Water pollution effects(Animals) ; Bioindicators
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NTIS  PB89-200398 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 177p
Abstract The 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.
Supplementary Notes See also PB89-200406. Prepared in cooperation with Tetra Tech, Inc., Bellevue, WA. Sponsored by Environmental Protection Agency, Seattle, WA. Region X.
NTIS Title Notes Final rept.
Category Codes 68D; 47D
NTIS Prices PC A09/MF A01
Primary Description 910/00
Document Type NT
Cataloging Source NTIS/MT
Control Number 922320240
Origin NTIS
Type CAT