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Puget Sound Stream Benthos
Sampling Agency: City of Seattle
Project: Status & Trends
Date Released: 11/16/2015
Taxonomic Effort: Fine Resolution
Samples Taken: 3
Organisms Counted: 174+94+385 = 653
Sampling Date: 9/20/2003
Site Code: TM01
Location: 47.706374°, -122.290034°
Thornton Creek Thornton Creek Subbasin Cedar River / Lake Washington Basin WRIA 8 - Cedar-Sammamish
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Sample 1 of 3

Sample Code: TM01_092003_R1
Sample ID: 4311
QC Replicate? No
Surface Area: 3.00 ft2
Composite? 3 Collections
Sub-sampling by Lab: Not specified
ClassificationTaxonQuantityQuantity SubsampledLife StageNon-BIBIFine Sediment Sensitivity IndexHilsenhoff Biotic Tolerance IndexMetals Tolerance Index
Subclass: HirudineaHirudinea11YesNoYesYesNoNoNoNo 10 
Order: AmphipodaCrangonyx2620YesNoNoNoYesNoNoNo 4 
Order: IsopodaCaecidotea109YesNoNoNoYesNoNoNo 85
Order: DipteraChironomidae22pupaYesNoNoNoNoNoNoNo 6 
Order: DipteraEukiefferiella2116YesNoNoNoNoNoNoNo 89
Order: DipteraParametriocnemus10IgnoredNoNoNoNoNoNoNo 54
Order: DipteraTvetenia Bavarica Group11YesNoNoNoNoNoNoNo 54
Order: DipteraSimulium2016YesNoNoNoYesNoYesNo 66
Order: EphemeropteraBaetis tricaudatus9267YesNoNoNoNoNoYesNo 55
 Total:174132 80%0.57%0.57%32%0%64%0%   

Sample 2 of 3

Sample Code: TM01_092003_R2
Sample ID: 4312
QC Replicate? No
Surface Area: 3.00 ft2
Composite? 3 Collections
Sub-sampling by Lab: Not specified
ClassificationTaxonQuantityQuantity SubsampledLife StageNon-BIBIFine Sediment Sensitivity IndexHilsenhoff Biotic Tolerance IndexMetals Tolerance Index
Subclass: OligochaetaOligochaeta33YesNoNoNoNoNoNoNo 5 
Subclass: AcariAcari31YesNoNoNoNoNoNoNo   
Order: AmphipodaCrangonyx43YesNoNoNoYesNoNoNo 4 
Order: IsopodaCaecidotea11YesNoNoNoYesNoNoNo 85
Order: DipteraPagastia33YesNoNoNoYesNoNoNo 19
Order: DipteraEukiefferiella1811YesNoNoNoNoNoNoNo 89
Order: DipteraTvetenia Bavarica Group22YesNoNoNoNoNoNoNo 54
Order: DipteraSimulium107YesNoNoNoYesNoYesNo 66
Order: TrichopteraHydroptila11YesNoNoNoYesNoYesNo  4
Order: EphemeropteraBaetis tricaudatus4733YesNoNoNoNoNoYesNo 55
Order: BasommatophoraFerrissia11YesNoNoNoNoNoNoNo 6 
Class: TurbellariaTurbellaria10IgnoredNoNoNoNoNoNoNo 4 
 Total:9466 110%0%0%20%0%62%0%   

Sample 3 of 3

Sample Code: TM01_092003_R3
Sample ID: 4313
QC Replicate? No
Surface Area: 3.00 ft2
Composite? 3 Collections
Sub-sampling by Lab: Not specified
ClassificationTaxonQuantityQuantity SubsampledLife StageNon-BIBIFine Sediment Sensitivity IndexHilsenhoff Biotic Tolerance IndexMetals Tolerance Index
Subclass: OligochaetaOligochaeta3929YesNoNoNoNoNoNoNo 5 
Order: IsopodaCaecidotea22YesNoNoNoYesNoNoNo 85
Order: ColeopteraNarpus33YesNoNoYesNoNoYesNo 41
Order: DipteraPagastia3322YesNoNoNoYesNoNoNo 19
Order: DipteraEukiefferiella2514YesNoNoNoNoNoNoNo 89
Order: DipteraEukiefferiella Devonica Group54IgnoredNoNoNoNoNoNoNo 89
Order: DipteraParametriocnemus22YesNoNoNoNoNoNoNo 54
Order: DipteraThienemanniella11YesNoNoNoNoNoNoNo 54
Order: DipteraTvetenia Bavarica Group108YesNoNoNoNoNoNoNo 54
Order: DipteraSimulium6857YesNoNoNoYesNoYesNo 66
Order: TrichopteraHydropsyche11YesNoNoNoNoNoYesNo 45
Order: TrichopteraHydroptila87YesNoNoNoYesNoYesNo  4
Order: EphemeropteraBaetis tricaudatus185149YesNoNoNoNoNoYesNo 55
Order: VeneroidaPisidium11YesNoNoYesNoNoNoNo 83
Phylum: NemataNemata11YesNoNoNoNoNoNoNo   
Class: TurbellariaTurbellaria11YesNoNoNoNoNoNoNo 4 
 Total:385302 150%0%1%29%0%69%0%