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Perfluorooctane Sulfonate - Screening Assessment Report

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Synopsis
Introduction
1.0 Identity, Uses, and Sources of Release
2.0 Environmental Fate, Exposure and Effects
3.0 Environmental Concentrations
4.0 Key Toxicological Studies
5.0 Risk Quotient Analyses
6.0 Discussion
7.0 Conclusion
8.0 Reference
Table 1. Selected physical and chemical properties
Table 2. Summary of available data
Table 3. Range of BCF/BAF/BMF data
Appendix 1. List of PFOS
Appendix 2. PFOS Concentrations in Selected Wildlife
Appendix 3. Risk Quotients for Migratory Birds
Appendix 4. Summary of Data used in Risk Quotient
Appendix 5. Risk Quotients for PFOS

**Appendix 3: Risk Quotients for North American Migratory Birds^a**
Species^a/Tissue	Sample Location	EEV (Maximum concentration of PFOS in bird liver (µg.g^-1 ww liver) or plasma (µg.ml^-1)	Reference	ENEV^b	Q
Liver
Bald eagle (Haliaeetus leucocephalus)	Michigan	1.74	Kannan et al., 2004	0.609	2.86
Bald eagle (Haliaeetus leucocephalus)	Illinois	0.467	Kannan et al., 2001	0.609	0.77
Osprey	Florida	0.959	Kannan et al., 2001	0.609	1.57
Common loon (Gavia immer)	North Carolina	0.595	Kannan et al., 2001	0.609	0.98
Common loon (Gavia immer)	Northern Quebec	0.026	Martin et al., 2004	0.609	0.04
Red-throated loon	North Carolina	1.12	Kannan et al., 2001	0.609	1.84
Double-crested cormorant (Phalacrocorax auritus)	Louisiana	0.288	Kannan et al., 2001	0.609	0.47
Mallard (Anas platyrhynchos)	Niagara River	0.425	Sinclair et al., 2005	0.609	0.70
Common merganser (Mergus merganser)	Niagara River	0.715	Sinclair et al., 2005	0.609	1.17
Bufflehead (Bucephala abeola)	Niagara River	0.882	Sinclair et al., 2005	0.609	1.45
Common goldeneye (Bucephala clangula)	Niagara River	0.505	Sinclair et al., 2005	0.609	0.83
Lesser scaup (Aythya affinis)	Niagara River	0.240	Sinclair et al., 2005	0.609	0.39
Brandt’s cormorant	California	1.78	Kannan et al., 2001	0.609	2.92
Northern fulmar (Fulmarus glacialis)	Canadian arctic	0.0015	Martin et al., 2004	0.609	0.002
Black guillemot (Cepphus grylle)	Canadian arctic	Not detected	Martin et al., 2004	0.609	-
Black-legged kittiwake (Rissa tridactyla)	Canadian arctic	0.02	Tomy et al., 2004	0.609	0.03
Glaucous gulls (Larus hyperboreus)	Canadian arctic	0.0332	Tomy et al., 2004	0.609	0.05
Great black-backed gull	North Carolina	0.841	Kannan et al., 2001	0.609	1.38
Herring gull	North Carolina	0.353	Kannan et al., 2001	0.609	0.58
Franklin’s gull	Montana	0.061	Kannan et al., 2001	0.609	0.10
Black-crowned night heron	California	0.648	Kannan et al., 2001	0.609	1.06
Great blue heron	Louisiana	0.916	Kannan et al., 2001	0.609	1.50
Great egret	Florida	1.03	Kannan et al., 2001	0.609	1.69
White pelican	California	1.12	Kannan et al., 2001	0.609	1.84
Serum and Plasma
Bald eagle (Haliaeetus leucocephalus)	Wisconsin	2.220	Kannan et al., 2001	0.873	2.54
Double-crested cormorant (Phalacrocorax auritus)	Lake Huron	0.372	Kannan et al., 2001	0.873	0.43
Herring gull	Lake Huron	0.391	Kannan et al., 2001	0.873	0.45

^a All species presented here are Canada-US migratory species.

^b An application factor of 100 is used to derive the ENEV from the CTV.

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Date Modified:: 2010-06-04

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