Document 8OOeRNROVQwDR2pLreGZ44nqa
E~N NVVII RROONN
Introduction
Introduction
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water column. including the quantification
water column.
of
the
proportion
of
exposure
derived
from
surface
sediment
versus
the
TT1.hheeWammlooeddreellanmmdaakskueerssfatthcheee sffooelldlooiwwmieinnnggt pparreiimmaaatrryystaaessassduuymmpstptaititooennsas:n: d thal concentrations i water and sediment are i2i1n.n.ddeW Feippsaeehtnnedddreeenantsntdooaffsouoornndfeaeecraaeinnvosoetetdhhdeerrimr.o. emnot pairbeeanttsitceaadnydostratbe eanid thianvt ecrotnebcreanttersattiohanlsainbswoarbtePr FanOdSsdeidreimctelyntfaorme Sediment or sediment porowate, andor accumulate PFOS through ingestionofsurface sediment, 2. Fish diets are derived from epibenthic and/or benthic invertebrates that absorb PFOS directly from
sediment or sediment porewater, and/or accumulate PFOS through ingestion of surface sediment.
e33..xpBBoiisoouaaccrcceuuommuulfialasthtii,oonannccdoofnnrssotaamnntdtssatddaeerfriirvvoeemddlffaroobommralltaaobbrooyrreaatxtooprroyysuddraatetaas (o(sfstteeearaddiyyhissctaaeite))nffrvoommewwraateteerrb0-onsrnleyldyaiaamtnneddnstffoooa0rd0e--onnllyy
a4ea.pxppppFoliiicscsauhabrbealelsrottooesfffiiestehlidd,cooaernrdggdaa1nfnriiohssmmemssda.aretaa
from laboratory exposures of
modeled in each of the three
benthic invertebrates to sediment
modeling scenarios andor he
are
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5Sds.eeifddfieWimmraeelennotnt,rt,eaxwwnpaadoatsesruur,,rrefaasanncddwle/hsooererndssiuumrmrffeoaanvcctieengdssaeettdodaiimamaeebnnlnetatwiiinnnloevvdceearrfttteiooobbnmrraaetttehxsesh..ibvaitrinigousdisffteurdeinets
concentrations if PFOS
reflect PFOS exposure
in
conditions 0 fis at the ime of fish sampling (2009) 5. Water and surface sediment data obtained from the
conditions to fish at the time of fish sampling (2009).
various
studies
reflect
PFOS
exposure
TuThshrereedee0mmododedereliliivnnggthsseceacvnearreiaogswenweceroarneecierninnvtveriesatstitiioggoaanttseseddo.f. PEEFaaOcchhS ssincceesnnuaarrfriaiocoeisssrreeedppirremeessenentnttgeeddenbbeyrttwawolo tt0aabb-llee1ssa::0m11))inrraadwweddpaattiaaohr
mbumlosoeossdsttctsseoaaummdmpeuplirleieavssie))otnaahnnemddoadwwvaeeatlreteartrg,,seeww.hchioiccnhhceaanrreteraeetnniottneersreedodf
inf ihe ish bioaccumulation model: and 2 the fish PFOS in surface sediment (generally 0-10 cm in depth
into the fish bioaccumulation model; and 2) the fish
for
bioaccumulation model itself.
TTTahhteeieffool1l.loowwGiionnnggctteaanbbillereasslaaorrneesiinonfccllPuudFdeeOddSiinnitthhsiiussrlffielae:c:e seiment and water sampies ablined fom Sectors 1,2,
3TT3a,,at2bai0nleed42144..
puFCspiosisnthrrceobeaainmomtaracootfcfiou33mnMMuslCCaoatfoliPttotaFanggOmeeSoGGdirenroolvsveufe.or.rfaSceectsieodnism1e,n2t,an3d,
water
and 4
samples obtained from Sections
upsream of 3 Cottage Grove.
1,2,
TaTTdaaajbbballlceeeen233.t.. CCFooios3nnhMccebeCninoortatraactttcaioougnnemssuGoloraffotivPPoenFFOOsmhSSoordiinnlenlssueufor,rffraaeSccxeeecclsstuieeodddininismmge1eEn,nat2ts,taann3Cdd,owawvnaeadttaee4nrdssuaapWmmseptsprlelteeassmCooovobbelft.aa3iinMneeddCoffrtrotaomgmeSSeGeccrttoiiovonen.44
TTTaaadabtjbalilceeee445n...t tFCFoioiss3nhhMcbebCiniooroaaatcctlaccgouuenmmusuGloalarftotiivPooenFnOsmmhSooodrdieeellilsnfufoeor,fraeSScxeececlsutiedoccinni4gtm4eaEanditdajjsaaoatccneCeannnotwtvaettootae33nMMdsaWCCmaopeltlsitaetasggCeeoobvGGlerra.ooivvneeedsshfhooorremelilinSneee.c.tion 4
dTTdooaawwbnelnesst.t5rr.eeaFCamimosnhoocffbe3iMnoMtaracCCtcoiooulmtnltuasalggaoeetf iGGPorFrnooOvvmeSeo..dienlsuforrfaSceesceodi4nmeSnetcatnidow4nadteorwnsasmtrpeleasm
obtained from
of 3M Cattage
Section
Grove,
4
TTTTaaaitbbielleee 6787....
TRTFaeaisbfbhueulrblaaeironr caaaecnnscdducffmiiegguudulrareetiossnyymmmmmoaadrreyyl
of the esuls for Section 4
of the results
ofthe three macdelng Section 4 downstream
of the three modeling
scenarios of 3M Cottage
scenarios.
Grove.
Table 8. References cited.
CC1oonnMcocldluuesls-iiopornnesscicted concentrations of PFOS n fish compare well with bservations from the MPCA
22(1.2.001T1M00h)o)edssemttulou-dpddyyreelT(dTasicaubtbgellgdeeesc77)to)..sncheanttrtahtieonmsodoef iPnFgOsScainnafirsoh
compare well with
for he Misisiop
observations from
River upsiream of
the
3M
MPCA
Cottage
G{2GT.rraooTbvvlheeee
ii2ssm,nnoaood5teeelsxxuspppueepgcocgtrteeetsddetdst0obthyrraeeMtssutuPlhlttCeniAnmcco(o2od0nen1cl0iecn)ngetarnsbasctteieoorrnnnvaasasrliiooooffnfPoPs,rRFtOOhSSe
in fish above 200 Mississippi River
in fish above 200
rg, wet upstream
rig/g, wet
weight (wv) of 3M Cottage
weight (ww)
3C3(.T.oatTTbahhlegeee2mm)G,oordadoesevllseussipuugpggogeerextssepttdssecbtthtyhaaaMt ttPhheCereAmmsuool(d2tde0eil1nlii0nnC)ggoonsscbcceseenentnraravraarititooiiossonnffssoo.rroftthhPeeFMMOiiSssssiiisnsssfiipphpii
River aRbiovveer
al and downstream of a2t0a0ndngd,owwnestreweaimghotf
SM (3M)
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above 200 rig/g, wet weight (ww)
derived from ingesting sediment
ia4inn.svvseeTorrhctteeieblbmrreaadottedePsesRl(O(TpTSraa.ebbdlleiecssts22,t4h4,a,t
a 6
and 7): thus, the majority of PFOS majority of PFOS accumulated by
and 7); thus, the majority of PFOS
in fish fish is
in fish
tissue is derived from sediment derived from ingesting sediment
tissue is derived from sediment-
associated PFOS.
([PPaaggeess] ooff [[PPaaggee]]
22330044..00000011
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22330044..00000033
stare_00042606
STATE_00942606
~NVI RON
Table 2. Fish bioaccumulation model for Sections 1, 2, 3, and 4 upstream of 3M Cottage Grove.
Model Input Variables Item
Measured [Water PFO$]
[MMeeaassuurreedd [[SSeeddiimmeenntt PPFFOOSS]]
Total organic carbon (OC) in sediment
Fe Model Constants Item Biota-Sediment Accumulation Factor (BSAF) Bioaccumulation factor (BAF)
Abbre- Value Units
Note
viation
Wat
4.5 ng/L
Average of water samples in Sections 1-4,
a Sed I 0.69 ng/g, dw
upstream of Cottage Grove.
A[Avveerraaggee ooff SSeeccttiioonn 33 aannd4d4 ssuurrffaaccee sseeddiimmeenntt
samples upstream of Cottage Grove.
TOC
0.01 g, OC/g, dw Organic carbon not measured or data
unavailable for sediment samples from Pool 2
investigations of PFOS in sediment. 0.01 (i.e.,
1% TOC) represents a standard default
modeling assumption for sediment.
Ere Abbre- Value
viation
Units
=] Note
BSAF
1.22 g, OCfg, Lab-derived steady state estimate with
Sl BAF
0.32 kg prey, ww/kg )redator,
invertebrates and spiked sediment.
Lab-derived steady state estimate (fish carcass) for trout and PFOS-spiked food only exposure.
Bioconcentration Factor
BCF
1,1 00 L/kg, ww Lab-derived steady state estimate with trout
(BCF)
(fish carcass) and PFOS-spiked water only
Ee Model Predictions Item [SSeeddiimmeenntt FPOFSO]S,], OOCC--
exposure.
Ere = Abbre- Value Units viation SedOeClI 69 ng/ga , OCl[SSeded=TTO0CC
Note
normalized
[PPrreeddiicctteedd [[SSeeddiimmeenntt
[ Inv p8e 4 ng/g, ] ww [SSeeddOOCC xx BBSSAAFF
invertebrate PFOS]
Fish PFOS] from Dietary
Fsed
27 ng PrOS/g, Inv x BAF
(Sediment invertebrate)
Source
Predicted [Fish PFOS] from Fwat
4.9 ng PFOS/g, Wat BCF + 1,000 g, ww/kg, ww
Direct Absorption from Water
Total [PFOS Fish]
32 ng PFOS/g,
Fsed + Fwat
[PPeerrcceennttaaggee ooff [[FFiisshh PPFFOOSS]] r%Fseed] w8n 4 %
[110000%% xx FFsseedd // FF
[fPrPoeermrcceesnnettdaagigmeeeoonfft[[FFiisshh PPFFOOSS]] [%FFwraat ] W 16 F][110000%% xx FFwwaatt I/ FF
from water
Abbreviations dw: dry weight g: gram kg: kilogram
[[PPaaggeess]] ooff [[PPaaggee]]
22330044..00000044
STATE_00942607
E~N NVVII RROONN LnLg::eLintrearnogram OFOngCOC::S:no:oarrnggpoaaegnnririfacclmucccaarrrobbooocnniane sulfonate wt weight PFOS: perfluorooctane sulfonate
ww: wet weight
([PPaaggeess)] ooff [PPaaggee]] 22330044..00000055
STATE 00942608 STATE_00942608
~NVI RON
Reference Table 1 Table 1
Reference Higgins et al., 2007 Martin et al., 2003a Martin et al., 2003b
[Pages] of [Page]
22330044..00000066
STATE_00942609
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STATE 00942612
STATE_00942612
~NVI RON
Table 4. Fish bioaccumulation model for Section 4 adjacent to 3M Cottage Grove shoreline.
Model Input Variables
Item
Abbre- Value Units
N ote
viation
Measured [Water PFOS]
Wat
88 ng/L
Average of water samples in Section 4 adjacent to
[MMeeaassuurreedd [[SSeeddiimmeenntt PPFFOOSS]] a Sed 10 ng/g, dw
3M Cottage Grove shoreline.
A[Avveerraaggee ooff ssuurrffaaccee sseeddiimmeenntt ssaammpplleess iinn SSeeccttiioonn 44
adjacent to 3M Cottage Grove shoreline
Total organic carbon (OC) in TOC
0.01 g, OC/g, dw Organic carbon not measured or data unavailable
sediment
for sediment samples from Pool 2 investigations of
PFOS in sediment. 0.01 (i.e., 1% TOC) represents
a standard default modeling assumption for
Fe Model Constants Item
sediment.
Emre Abbre- Value viation
Units
= Note
Biota-Sediment Accumulation BSAF
1.22 g, OCfg, Lab-derived steady state estimate with
Factor (BSAF) Bioaccumulation factor (BAF) BAF
Sl 0.32 kg prey, ww/kg )redator,
invertebrates and spiked sediment.
Lab-derived steady state estimate (fish carcass) for trout and PFOS-spiked food only exposure.
Bioconcentration Factor (BCF)
BCF
1,1 00 L/kg, ww
Lab-derived steady state estimate with trout (fish carcass) and PFOS-spiked water only exposure.
Ee Model Predictions Item [SSeeddiimmeenntt FPOFSO]S,], OOCC--
Ere = Abbreviation SedOC
Value Units 1,006 ng/g, OC
[SSeded=TTO0CC
N ote
normalized
[PPrreeddiicctteedd [[SSeeddiimmeenntt
TM Inv 1.1,2222770ng0/g, wwwn [SSeeddOoCc *x BBSSAAFF
invertebrate PFOS]
Fish PFOS] from Dietary
Fsed
393 ng PFOS/g, Inv x BAF
(Sediment invertebrate)
Source
Predicted [Fish PFOS] from Fwat
97.0 ng PFOS/g, Wat BCF + 1,000 g, ww/kg, ww
Direct Absorption from Water
Total [PFOS Fish]
490 ng PFOS/g,
Fsed + Fwat
[PPeerrcceennttaaggee ooff [[FFiisshh PPFFOOSS]] r%Fseed] w8On%
[110000%% xx FFsseedd // FF
[fPrPoeermrcceesnnettdaagigmeeeoonfft[[FFiisshh PPFFOOSS]] [%FFwraat ] B 20 F][110000%% xx FFwwaatt I/ FF
from water
Abbreviations dw: dry weight g: gram kg: kilogram
[[PPaaggeess]] ooff [[PPaaggee]]
22330044..00001100
STATE_00942613
E~N NVVII RROONN LnLg::eLintrearnogram OFOngCOC::S:no:oarrnggpoaaegnnririfacclmucccaarrrobbooocnniane sulfonate wt weight PFOS: perfluorooctane sulfonate
ww: wet weight
([PPaaggeess)] ooff [PPaaggee]] 22330044..00001111
STATE 00942614 STATE_00942614
~NVI RON
Reference Table 3 Table 3
Reference Higgins et al., 2007 Martin et al., 2003a Martin et al., 2003b
[Pages] of [Page]
22330044..00001122
STATE_00942615
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22330044..00001144
STATE00942617 STATE_00942617
~NVI RON
Table 6. Fish bioaccumulation model for Section 4 Section 4 downstream of 3M Cottage Grove.
Model Input Variables
Item
Abbre- Value Units
N ote
viation
Measured [Water PFO$]
Wat
27 ng/L
Average of water samples in Section 4 adjacent to
[MMeeaassuurreedd [[SSeeddiimmeenntt PPFFOOSS]] FSeed
3M Cottage Grove shoreline.
5 ne g/g,e dw ]A[Avveerraaggee ooff ssuurrffaaccee sseeddiimmeenntt ssaammpplleess iinn SSeeccttiioonn 44
adjacent to 3M Cottage Grove shoreline
Total organic carbon (OC) in TOC
0.01 g, OC/g, dw Organic carbon not measured or data unavailable
sediment
for sediment samples from Pool 2 investigations of
PFOS in sediment. 0.01 (i.e., 1% TOC) represents
a standard default modeling assumption for
Fe Model Constants Item
sediment.
Emre Abbre- Value viation
Units
= Note
Biota-Sediment Accumulation BSAF
1.22 g, OCfg, Lab-derived steady state estimate with
Factor (BSAF) Bioaccumulation factor (BAF) BAF
Sl 0.32 kg prey, ww/kg )redator,
invertebrates and spiked sediment.
Lab-derived steady state estimate (fish carcass) for trout and PFOS-spiked food only exposure.
Bioconcentration Factor (BCF)
BCF
1,1 00 L/kg, ww
Lab-derived steady state estimate with trout (fish carcass) and PFOS-spiked water only exposure.
Ee Model Predictions Item [SSeeddiimmeenntt FPOFSO]S,], OOCC--
Ere = Abbre- Value Units viation [pSeecdOocC| e 488 ngo /g, OC
[SSeded=TTO0CC
N ote
normalized
[PPrreeddiicctteedd [[SSeeddiimmeenntt
a Inv 595 ng/g, ww [SSeeddOOCC xx BBSSAAFF
invertebrate PFOS]
Fish PFOS] from Dietary
Fsed
190 ng PrOS/g, Inv x BAF
(Sediment invertebrate)
Source
Predicted [Fish PFOS] from Fwat
29.9 ng PFOS/g, Wat BCF + 1,000 g, ww/kg, ww
Direct Absorption from Water
Total [PFOS Fish]
[PPeerrcceennttaaggee ooff [[FFiisshh PPFFOOSS]] [fPrPoeermrcceesnnettdaagigmeeeoonfft[[FFiisshh PPFFOOSS]]
from water
220 ng PFOS/g,
Fsed + Fwat
r%Fseed] w8n 6 %
[110000%% xx FFsseedd // FF
F%Frwaat ] W 14 F][110000%% xx FFwwaatt I/ FF
Abbreviations dw: dry weight g: gram kg: kilogram
[[PPaaggeess]] ooff [[PPaaggee]]
22330044..00001155
STATE_00942618
E~N NVVII RROONN LnLg::eLintrearnogram OFOngCOC::S:no:oarrnggpoaaegnnririfacclmucccaarrrobbooocnniane sulfonate wt weight PFOS: perfluorooctane sulfonate
ww: wet weight
([PPaaggeess)] ooff [PPaaggee]] 22330044..00001166
STATE 00942619 STATE_00942619
~NVI RON
Reference Table 5 Table 5
Reference Higgins et al., 2007 Martin et al., 2003a Martin et al., 2003b
[Pages] of [Page]
22330044..00001177
STATE_00942620
~NVI RON
Table 7. Tabular and figure symmary of the results of the three modeling scenarios.
TTL TT Predicted [Fish PFOS]
| Sediment Water
% from
Observed [Fish Minimum Maximum
Model Scenario
Source Source Total Sediment Average Average
Note
Pool 2
27
4.9 32
84
24
100 Fish from
Upstream of 3M Cottage Grove
Sections 1-3
Observed Midpoint
62
Pool 2 Section 4: 3M Cottage Grove (Shoreline) Pool 2 Section 4: Downstream of 3M Cottage Grove
393
97 490
80
160
740 Fish from
45O
Section 4
190
30 220
86
160
740 Fish from
450
Section 4
For Graphing Pool 2 Upstream of 3M Cottage
Fo Grove
Pool 2 Section 4: 3M Cottage Grove (Shoreline)
peAAbbbbrreevviiaattiioonnss
g: gram ng: nanogram PFOS: perfluorooctane sulfonate ww: wet weight
Pool 2 Section 4: Downstream of 3M Cottage Grove
[[PPaaggee]] ooff [[PPaaggeess]] 22330044..00001188
STATE_00942621
E~N NVVII RROONN
)cneLcneotnwrtaerat)tiioonnHssi(gf(fohorr(9) Low (-) High (+)
ws 38
38
EE 290
290
2x900 22900
MoMdoedell
227 7s5
MOOobbdsseeelrrvveedd 3800 066722
3E8l
Model
393 97
MoOObdbseseelrrvveedd 18000 44553O00
2E9S0
Model
190 30
OObbsseerrvveedd
00 4455O0
229000
[[PPaaggee]] ooff [PPaaggeess)] 22330044..00001199
STATE 00942622 STATE_00942622
[[FFiisshh PPFFOOSS]] ((nngg//gg,, wwww))
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22330044..00002200
sraTe 00842623
STATE_00942623
E~N NVVII RROONN
[res trem a. Table 8. References cited.
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p22e1r6u0c.r1i9n5aed acids in Martin, J.W., Mabury,
perfluorinated acids in
ven rainbow ou (Oncorhynchus myliss). Environ. Toxicol S.A., Solomon, K.R., Muir, D.C.G. 2003a. Dietary accumulation
juvenile rainbow trout (Oncorhynchus mykiss). Environ. Toxicol.
Chem. of
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distribution of
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perfluorinated acids in
INVESTIGATION OF
rainbow trout (Oncorhynchus mykiss). Environ. loxicol.
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STATE 00942624 STATE_00942624