Document o973o8q9pomzdYbJxrgzeOML7
A f t_______________________________________
7 ?7
A nalytical Report
3M Company A nalysis of PFO A and P F 0 8 In Water Sam ples from Oakdale Municipality
E05-0243 \ Exygen Report No. L0004933
Testing Laboratory
\ Exygen Research 3058 Research Drive
State College, PA 16801
Requester
Gary A : Hohenstein
Manager, EEnHvSiroOnpmereanttioalnOs perations
3M Company Building 42-2E-27 St. Paul, MN 55106
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PAGE 10 F 5
2 .5
,3058 Researcn Drive ix a tc C o Ilp K , PA 16801, USA
T : 800.281.3219 R B14.272.1019 exygen.com
1 Introduction
Results are reported for the analysis of perfluorooctanoate (PFO A) and perfluorooctanesulfbnate
(PFO S) in water samples received at Exygen as requested by Gary Hohenstefn of 3M Company. The Exygen project number assigned to the samples Is L0004933. Table I lists the target analytes quantitated for the samples.
Table I. Target Analytes for Quantitation
Parameter
AcTCPvm
Formula
Perfluorooctanoate
PFOA or C8 add
C rF1fiCOO*
Perfluorooctanesutfonato
PFOS or C8 sulfonate
C ^ rSO *
2 Sample Receipt
Twenty-one samples were received at Exygen in 500 mL white plastic narrow-mouth bottles. At the request of 3M, all samples were analyzed. A copy of ail sample log-h Information is presented In AttachmentA.
The samples were received on 03/30/05. The samples were shipped ambient via UPS. The samples were stored refrigerated from time of receipt untl analysis.
3 Methods - Analytical and Preparatory
The Exygen method V0001780 was used to prepare and analyze the sam ples. A summary of the sample preparation can be found in Section 3.1 and a summary of the analysis condWons can be found in Section 3.2.
3.1 Water Sample Preparation
Solid phase extraction (SP E) was used to prepare the water samples for LC/MS/MS analysis. Forty mHliliters of the water sample was transferred to a Cn S P E cartridge. The cartridge was eluted with 5 mL of 100% methanol. A portion of the extract was transferred to autosampler vials and analyzed using electrospray LC/MS/MS.
PAGE 2 OF5
26
3.2 Sample Analysis by LC/MS/MS
In Hgh Pressure UqukS Chromatography (H PLC), an afiquot of extract Is injected and passed
through a liquid-phase chromatographic column. Based on the affinity of the analyte for the stationary phase in the column relative to the liquid mobie phase, the analyte Is retained for a characteristic amount of time. Following HPLC separation, m ass spectrometry provides a rapid and accurate means tor analyzing a wide range of organic compounds. Molecules are ionized, fragmented, and detected. The ions characteristic of the compounds are observed and quantitated against extracted standards.
An HP1100 system interfaced to an Applied Bkreyatems API 4000 was used to analyze the sample extracts for quantitation.
Isomer separation was obtained using a gradient elution through a Thermo Fluophase RP, 60 x 2.1 mm x 5pm column. The sum of the isomers is reported as a single value for each of the analytes.
The following gradient was performed:
MDbie Phase (A ): Moble Phase (B ):
Tim e 0.0 1.0 8.0 10.0 11.0 1B.0
2mM Ammonium Acetate In Water Methanol
&A 65 35 65 35 25 75 25 75 65 35 65 35
The following parameters were used tor operation of the mass spectrometer
Param eter Ionization Mode Polarity Transitions Monitored
Gas Temperature Drying Gas (N2)
Setting Bectroaprey Negative
413->369 (PFO A), 499->80 (PFO S), 415*>370 (13C-PFOA, surrogate spike)
350C 7.0 Umin
4 Analysis
4.1 Calibration
A 7-point calibration curve was analyzed Inltialy and throughout the analytical sequence for PFOA, PFO S and WC PFOA. The calibration points were prepared at 0,25,50.10 0,2 50,500 , and 1000 ng/L (ppt) tor LC/MS/MS analysis. Caferation standards are prepared using the same S P E procedure used for sam ples. The instrument response versus the concentration was plotted tor each point. Using linear regression with 1/x weighting, the slope, y-lntercept
PAGE3 OFS
and coefficient of determination (r2) were determined. A calibration curve acceptable If r2> 0.985. For the results reported here, calforaBon criteria were m et The calibration curves are Included in the raw data in Attachment C .
4.2 Surrogates ,5C PFOA (CeF |5[t3C]F213C)OOH) is used as a surrogate for the water sam ples. " C PFOA was added to the empty sample containers before the bottles were sent to the field for sampling. In the field, ail sample and quality control bottles were filled to a volumetric fit line with the sampie. ,3C PFOA recoveries can be found In Attachment B,
4.3 Laboratory Control Spikes Laboratory control spikes in the analytical set were prepared by adding a known concentration of PFOA, ,3C PFOA, and PFO S to laboratory reagents. Laboratory control spikes ere used to assess method accuracy. The laboratory control spikes must show recoveries between 70130% or the data is rejected. For the results reported here, the laboratory control spikes were within the acceptable range.
4.4 Field Matrix Spikes One matrix spike was prepared for every watersample mthe field. Compounds were added to the empty sample containers before the bottles were sent to the field for sampling. Matrix spikes are used to assess method accuracy In the matrix. The matrix spikes should show recoveries between 70*130%. For the results reported here, the matrix spikes were within the acceptable range.
4.5 Sam ple Related Comments ADwater samples were collected in duplicete. Duplicete sample results are reported along with the sample results in Attachment B.
5 Cats Summary
Please see Attachment B for a detailed listing ofthe analytical results. The results are reported In parts per billon (ngfmL) for PFOA and PFO S.
PA Q B40FS
6 Statement o f Accuracy
Based on results of laboratory control spfces, field matrix spikes, and surrogate spikes, the analytical accuracy for PFO S and PFQA results for all samples Is 30% , Ail laboratory control spikes, surrogate spikes and field matrix spikes showed recoveries within these ranges. Specific sample recoveries are given in Attachment B.
7 Data/Sample Retention
Samples will be returned to 3M 80 days after final reporting. AH electronic date is archived on retrievable media and hard copy reports are stored in data folders maintained by Exygen. Hardcopy data is stored fo ra minimum of five years. The client will be notified 30 days prior to the disposal of hardcopy data.
8 Attachments
8.1 Attachment A: Analytical Results 62 Attachment B : Spike Recovery Data 8.3 Attachment C ; Chain of Custody Forme 8.4 Attachment D: Raw Analytical Data
9 Signatures
PAC SSO FS
Section A
1
\ Proven Results.
Exysan ID
L4933-1 L4933-2 L4933-4 L4933-5 L4933-7 L4933-6 (.4933-10 L4933-11 L4933-13 . (.4933*14 L4933-18 L4933-17 L4933-19
Summary c f PFO A and PFO S in W ater Sam ples E05-0243
Sam ple ID
O-WS-127287 , O-W5*127287 Dup \ O-W1-208462
G-W 1-208462 Dup 0-W 2-2Q8463
O-W2-208463 Dup O-W8-5720O8
OW 8-572608 Dup 0-W SM51S75
0-W 9-151575 Dup 0-W 3-28454
O-W3-208454 Dup Field Blank.
A nalyte Found (ng/m L)
C8 Add PFOA
C8 Sulfonate P F0 8
Parfluorooctanoate
PaffluorooctanMutfbnat
0.779
1,14
0.710
0.941
0.0887
0.0619
0.0939
0.0609
0.0823
NQ
0.0817
NQ
0.503
0.704
0.457
0.551
0.813
0.580
0.763
0.502
ND ND
ND ND
ND ND
ND - Not detected at or above 0.025 no/mL. NQ * Not quantifiable * Measured concontration between 0.025 ng/mL and the Limitof
Quantitation (LOQ) which la 0.030 ng/mL \
ir U t> 6
X & U S g____ Drive lege, PA 16801, USA ^ TJ : 814.272.1039 I f iF:ex8y1^4e,2n3.t1jT.T1i580
Section B
32
Field Matrix Spike Recovery Summary for PFOA and PFO S In Water E05-0243
Sam ple D escrip tio n 0-W5-127287 Spike 0-4933-3,1 ppb.Splkei
O-W1-208482 Spike (UiM -e. 0.1 ppbspits)
OW2<208463 Spike (U933-9, 0.1 ppbSpike)
0-W8-572808 Spike 04933-12,0.8 ppbSpew)
0-W9-151575 Spike 0.4333-15,1 ppbSpike)
O-W3-205454 Spike (14933*19, 0.1 ppbSpike)
Field Blank Low Spike (L4933-30.0.1 ppbSpike)
Field Blank High Spike 0-4933-21,1 ppbSpars)
C8 Acid PFOA____________________ C8 Sulfonate PFOS
Amount Amt Found Amount
Am t Found Amount
Spiked In Sample Recovered Recovery In Sam ple Recovered Recovery
(natalL) (ngftnL) OHtfwu______u a _ (na/m U (ng/mU
(% )
1
0.779
1.74
98
1.140
2.11
87
0.1
0.0887
0.174
85
0.0619
0.134
72
0.1
0.0823
0.178
96
0.0296
0.124
94
0.5 0.503
1.05 109 0.704
1.26 111
\ 1 0.813 1.89 108 0.580 1.53 95
0:1
ND
0.108
106
ND
0.111
111
0.1
ND
0.0987
99
ND
0.0963
98
1 \ND
0.953
95
ND
0.839
84
'Sam ple residua exceeds the spiking level slgnfflcantiy; therefore, ah accurate recovery value cannot be calculated ND * Not detected at or above 0.025 ngfmL NQ - Not quantifiable = Measured concentration between 0.025 npfrriL and the Limit of
Quantitation (LOQ ) which Is 00350 ng/mL.
,<>\ *t> f 33
058 Research Drive State Cotege, PA 15801, USA
1 :8 0 0 2 8 1 .3 2 1 9 h 814.272.101? exygen.com
Surrogati Splk Recovery Summary for nC-PFOA In Water EO5-0243
Exygen
ID
DeSeacmripptlleon
AfSnmpfli/okmueUndt
RAf"enCcmgo-/FovmFuelnrQ.e)tAd
Recovery
(% )
L4933-1 \ L4933-2 \ 14933*3
O-W5-127287 0-W 5-127287 Dup 0-W 5-127287 1.0 ppb Spk
0.5 0.430 0.5 0.411 1.0 1.03
86 82 103
L4933-4 L4933-5 L4933-6
O-W 1-208462 O-W1-208462 Oup Q-W1-208462 0.1 ppb Spk
0.5 0.460 0.5 0.494 0.1 0.0966
92 99 97
L4933-7 L4933-6 L4933-9
\ O-W2-208463 O-W2-208483 Dup
O-W2-208463 0.1 ppb Spk
0.5 0.438 0.5 0.422 0.1 0.0991
87 84 99
L4933-10 14933-11 L4933-12
-W8-572808 O-W-572608 Dup O-W8-572608 0.5 ppb Spk
0.5 0.424 0.5 0.416 0.5 0.476
85 83
95
L4933-13 L4933-14 L4933-15
0-W 9-51575 0-W 9-151575 Dup 0-W 9-151575 1.0 ppb Spk
0.5 0.460 0.5 0.394 1.0 1.02
92 79 102
L4933-16 L4933-17 L4933-18
O-W3-208454, O-W3-208454 Dup O-W3-208454 0.1 ppb Spk
0.5 0.450 0.5 0.437 0.1 0.104
90 87 104
L4933-19 L4933-20 L4933-21
Field Blank
Reid Blank 0.1 ppb Spk \ Field Blank 1.0 ppb Spk \
0.5 0.489
0.1 0.0991 1.0 0.964
98
99 96
<>'v \
34
kg t, paT sot, u sa T .6600O022881U 2 1 9 m *F: 814.2277;11019
exygenxom
Section C
35
3058 Research Drive State College, PA 16801
Phone: 814-272-1039 Fa x: 814-231-1580
Loqin
Login Group: L0004933
Login #:
Project
5043 P0000990
Company Name: 3M
Submitted By: Kent Lindstrom
Login Type:
Immediate Receipt of Sam ples
Started:
True
Oste S tart
03/30/2005
Due Date:
04/09/2005
Received Date: 03/30/2005
Conform CO C Sam ple: True
Conform CO C:
True
Conform Sam ple:
True
Conform Request:
True
Received By. Ammerman, Mark
Spread Sample: Label: Exygen SD/Pi: Rlsha, Karen Project TitJe/Type: Analysis of Ruorochem icals by LCMSMS for NRG Sampling of Oakdale site / RO UTIN E Login Notes:
Conform Notes:
R ecife PKOQ05816
Packages / Container
P U t/C am m ifln RaceHwd Oat: 3/30/2005 00:00AM Package &Contente Lfncotnpromiaed
S ft lm r l IP
UPS 1Z57955E0141403526
T m B ,2 srte siV T sm i
Nona 23.2
Direction / Handled Bv
R E C E IV E D Ammerman, Mark
Contslner # C0066673 C0068674 C0Q66675 C0066678 C0M877 COOOM7S C0066679 C0060S80 C0065681 00066682 C0066663 C006864 C0Q66685 C00S6$86
G ross W sloht dH
Container Tvoe
278.20 g
500 ml Clesr Pteatic Narrow
268.30 g
500 irt Ciaar Plastic Narrow
257.30 g
500 ml Clear Plastic Narrow
295.00 g 249.50 g
500 mi Clear Plastic Marrow
500 ml Char Plastic Narrow
252.50 g
500 ml Clear Ptastlc Narrow
243.10
500 ml Ctear Pteatic Narrow
246.10 g
500 ml Clear Plastic Narrow
245,90 g
500 ml Ciaar Plastic Narrow
254.80 g
500 ml Qaar Plastic Narrow
243.70 g
500 ml Clear Plastic Narrow
247.00 g
500 mi Clear Plastic Narrow
240.90 g
500 ml Ciaar Plastic Narrow
251.20 g
500 ml Clear Ptestie Narrow
P re se rv a tiv e NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
M b. lo t
Mfa 10
3/30/2005 Login,rpt
Report Version; Mar 2 2 0 0 5 10:50AM Paga 1 of 4
36>
In s ta n c e :
R0156202 m m tn m
Loain
Login Group: L0004933
Login#:
5043
Conform CO b am ple: True
P ro je ct
P000099
Conform CO C:
True
Company Name: 3M Submitted By: Kent Lindstrom
Conform Sam ple: Conform Request
True True
Login Type:
Immediate Receipt of Sam ples
Started:
True
Date Start
03/30/2005
Due Date:
04/09/2005
Received Date: 03/30/2005
Received By: Ammerman, Mark
Spread Sample:
Label:
Exygen SD/PI: R lsha, Karen
Project Trtie/Type: Analysts of Fiuorochem icals by LCMSMS for NRG Sampling of Oakdaia Site / ROUTINE
Login Notes:
Conform Notes;
Package PK0005816
Carton
Packages / Conlilnw
Pita/C o n d itio n
RscelvedDeta 3/30/2006 12;00fl0AM
Padcagasco n tan ti Uneomprorrieed
fflW lilffi
UPS 1257855E01414D3528
S p n ta in e d S C00S8887 C006668S CO0SSS89 CO066680 C006691 C0066682 COO893
G ross W Skiht 24870 g
H
297.80 g
248.30 g
282.80 g
258.80 g
257.20 g
257.50 g
gpftintrffl*
600 ml Clear Plastie Marrow
500 ml C lasr Plastie Narrow
300 ml C la ir Plastie Narrow
500 ml Clear Plastie Narrow
500 ml Clear Plastie Narrow
500 ml Clear Plastic Narrow
500 ml Clear Plaatte Narrow
prm ry rtim
NONE NONE NONE NONE NONE NONE NONE
TamOi Control/Tama. Nona 23,2
M fa- Lot
D ira^ pn / Handed By
R E C E IV E D Ammerman, Mark
Mta- IQ
3/30/2005 Logtn.rpt
Report Version: Mar 2 2005 10:50AM Page 2 of 4
37
In s ta n c e :
RO155202
e m n iiiiH
Login
SU M 1 IB L0004933-0001 L0004933-0002 LD004933-0003 L0004933-0004 L0004933-0005 LOO04033-0006 L0004933-0007 L0004933-0006 L0004833-0009 LQC04933-0010 L0004933-0011 LOO04933-0012 L0004933-0013 L0O04933-0014 L0004933-0015 L0004933-0016 L0004933-0017 LOO04933-0018 L0004933-0019 L0004933-0020 L0004333-0021
Sanaio tf C0066673 00008674 00068675 C0066676 C0066S77 C0066678 C0068679 C0068680 C0068881 C0066682 C0066683 CO066684 C0068S85 00086696 C00B8687 C0066666 C0066689 C0066690 00066691 00066692 C0086693
Matrix LIQUID LIQUID LIQUID LIQUID LIQUID LIQUID LIQUID LIQUID UQUtD LIQUID UQUID LIQUID UQUID UQUID UQUtD UQUID UQUID LIQUID UQUtD UQUID LIQUID
EtiKS& l Water
Sam ples
Kamnte 0-W5-127287
Water 0-W5*127267 Dup
Watar
0-W5-127287 1-Otplke
Watar
Q-W1-208462
Watar
O-W1-208462 Dup
Watar
0-W1-208482 0.1 pika
Watar
0-W2-208483
Watar
0-W2-208483 Dup
Watar
O-W2-206463 0.1 apika
Watar 0-WB-572608
Watar
O-WB-572608 Dup
Watar
O-W8-S72806 0 5 ppb apika
Watar
0-W9-151575
Watar 0-WSM51575 Dup
Watar O-WP-181678 1.0 ppb apka
Watar O-W3-208464
Watar
0-W3-208454 Dup
Watar O-W3-208454 0.1 ppb apka
Watar FMd Blank
Watar
Raid Blank 0.1 ppb apka
Watar
Field Blank 1.0 ppb apika
P lt i SlfTBUti 03/29/2005 03/29/2005 03/29/2005 03/29/2005 03/29/2005 03/29/2005 03/29/2005 03/29/2005 03/29/2005 03/29/2005 03/29/2005 03/29/2005 03/29/2005 03/29/2005 03/29/2005 03/29/2005 03/29/2005 03/29/2005
Data Due 04/09/2005 04/09/2005 04/09/2005 04/09/2005 04/09/2005 04/09/2005 04/09/2005 04/09/2005 04/09/2005 04/09/2L05 04/09/2005 04/09/2005 04/09/2005 04/09/2005 04/09/2005 04/09/2005 04/09/2005 04/09/2005 04/09/2005 04/09/2005 04/09/2005
4/4/2005 L o g in .jp t
if a t
Report Version: Mar 2 2005 11:50AM Page 3 of 4
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Date/Tim e:
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33/300/2005 Looggiinn.rpt
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Instance:
R0156202 n iH iiM
Environmental Laboratory
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Form 3*77*-PWO
3M W *.2-3C-0* SnItPMori,iAUNimSSIt08
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Chain of Custody /Request for Laboratory Analytical
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LI*? 4$ LA->UMS# Sampled Sampiad Media
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3/29/2005 Project: 05-0243
CONTRA3CMT ELNAVBIORROANTMOERNYTWALORLAKBOORRDAETROBRYYSAMPLE Contract Lab(t): EXYGEN
Page 1 o f3
Requester: Hohenstein, Gary A (0042-02E-27) PPDDrreaooptjjeaeerRcctttmeNDceeuenismvtc:erb5dip3:0t:3i7o/021n081:2/O2200a70k45d4a4le9Municipal Well FCs IV
Completion Date: PPErhmooajneielctANLduedmardeb:sesK:r ek6nr5ltl1nL>di7ns7tdr8ao*tm5ro3@m52mmm.com
Comments; Pace field sampling.
3M Sample Number E0S-0243-81103 Antal PFOA PFOS
Sampled Date Sample Description
3/29/2005 O-Wl-208462
Aaalv ita l Mrtteri PFOA
Canurcnirte PFOA
PFOS by ESMS
PFOS
E05-0243-8U04 ABjiail PFOA PFOS
3/29/2005 Aayfrtftai
O-W1-2084C6o2rDapuannent
PFOA PFOA
PFOSbyESMS
PFOS
E05-0243-81105 PFOA PFOS
3/29/2005 O-W1-208462 0.1 PPB Spike
PFOA CPFmOaAawBli
PFOSbyESMS
PFOS
E05-0243-8 U06 AaiteUCyte PFOA PFOS
3/29/2005 O-W2-208463
APA)YtisaLMtlh9ll
CflffWhlBtt
PFOA PFOA
PFOS by ESMS
PFOS
E05-0243-8U07 AMlYiiiCadt PFOA PFOS
A3/n2a9l/y2t0ic0a5l MethodO-W2-2084C63gaDffluSoOWtl
PFOA PFOA
PFOSbyESMS
PFOS
EO5-O243-81108 Anshrsii_Code PFOA PFOS
3/29/2005 O-W2-208463 0.1 PPB Spike
Andrtati Mfflwq
Casm m s*
PFOA PFOA
PFOS by ESMS
PFOS
0 i f
43
AmlvUiDneDtte 4/20/2005 4/20/2005 AabatcPe Pat 4/20/2005 4/20/2005 4A/2M0/t2e0f0l5tPltlPtft 4/20/2005 4A/2n0l/y20il0i5P itP iD 4/20/2005 4A/2fl0ft/t2M00d5fJMJPttf 4/20/2005 4A/2o0a/i2r0t0e5P iy B ite 4/20/2005
3/29/2005
3M ENVIRONMENTAL LABORATORY CONTRACT LABORATORY WORK ORDER BY SAMPLE
Page 2 of3
Project: E05-0243 (cont)
Contract Lab(t): EXYOEN
3M Sample Number Sampled Date Sample Description
E05-0243-81109
3/29/2005 i0-W3-2QS454
PFOA PFOS
A nalytical Method
PFOA PFOS by ESMS
Canm naanti
PFOA PFOS
Aanlvria Duo Date
4/20/2005 4/20/2005
E05-0243-81110 Analysis Code PFOA PFOS
3/29/2005 O-W3-208454 Dun
Analytical Method
- ConDoawm
PFOA PFOA
PFOS by ESMS
PFOS
4/20/2005 4/20/2005
E05-0243-81UI Analnte Code PFOA PFOS
3/29/2005 O-W3-208454 0.1 PPB Snike
Cenmcflcdi
PFOA PFOA
PFOS by ESMS
PFOS
4/20/2005 4/20/2005
05-0243*81112 AmfriiiCgtii PFOA PFOS
3/29/2005 0-W5-127287
Analytical M atted
PFOA PFOS by ESMS
Component
PFOA PFOS .
4A/2m0M/20t05Pm P*H 4/20/2005
E05-0243-81113 Anslvsit Code PFOA PFOS
3/29/2005 0-W5-127287 Dun
A nalytical Method
PFOA PFOS by ESMS
Compoaenta
PFOA PFOS
4/20/2005 4/20/2005
05*0243-81114 PFOA PFOS
3/29/2005 0-W5-127287 1.0 PPB Snike .
PAFwOtAlTtial Mrtfcod
Coiaeeeepti PFOA
PFOS by ESMS
PFOS
4A/2w0a/2i0y0ih5PitPite 4/20/2005
05-0243-81118 A esivib Code PFOA PFOS
3/29/2005 O-W8-572608
AniiafltBUfittta
.CtRBWBdl
PFOA PFOA
PFOS by ESMS
PFOS
PeeA n a lv ili Data 4/20/2005 4/20/2005
E05-0243-81119 APFaOuAlrriiC ftift PFOS
3/29/2005 O-W8-572608 Dun
Analytical Method
PFOA PFOS by ESMS
Comppaanta
PFOA PFOS
AM iyADit EWy 4/20/2005 . 4/20/2005
E05-0243-81120
Analysis Code
PFOA PFOS
3/29/2005 O-W8-572608 0.5 PPB Soike
ARulrtlERl Mtftod
Compoaenta
PFOA PFOA
PFOS by ESMS
PFOS
Anted! PutPttt 4/20/2005 4/20/2005
1*017
44
3/29/2005
CONTRA3CMT ELNAVBIORROANTMOERNYTWALORLAKBOORRDAETROBRYYSAMPLE
Page 3 of 3
Project: 05-0243 (cont).
Contract Lab(s): EXYGEN
3M Sample Nnmber EOS-0243-81121 Analysis Code PFOA PFOS
Sampled Date Sample Description
3/29/2005 0-W9-151375
AntMinl M lttri
r *mr
PFOA PFOA
PFOSbyESMS
PFOS
A4/b20iI/w20Ii05Dm Date 4/20/2005
EOS-0243-81122 Awlyrii Codt PFOA PFOS
3/29/2005 0-W9-151575 Dup
A m lrtfalL M rtM
Ceitnnnmti
PFOA PFOA
PFOSbyESMS
PFOS
4A/--20I/w20li0P5 m P itt 4/20/2005
EOS-0243-81123 PAFmOAAyiIi Cirit PFOS
3/29/2005 Anahrtkal
Methsd0-W9-1513C75m1B.e0nPePaBts
Spike
PFOA PFOA
PFOSbyESMS
PFOS
Analysis Dne Data 4/20/2005 4/20/2005
EOS-0243*81127 A atin kJE ^t PFOA PFOS
3/29/2005 Field Blank
Anifrttad PFOA
PSFrOaoAuM ti
PFOSbyESMS
PFOS
Auitoli P it Pati 4/20/2005 4/20/2005
E0S-0243-81128 Analysis Code PFOA PFOS
3/29/2005 Field Blank 0.1 PPB Spike
l CofajHftient
PFOA PFOA
PFOSbyESMS
PFOS
4/20/2005 4/20/2005
EOS-0243-81129 Attain! Cod* PFOA PFOS
3/29/2005 Analytical
MethodField
BlankC1o.0BMPPHBHnSdpike
PFOA PFOA
PFOSbyESMS
PFOS
Analysis DnaData 4/20/2005 4/20/2005
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1 OF 1
*4UP TO; JOHN FLARHERTY/SAMPLE CHECK-IN (814) 231-8832 EXYGEM RESEARCH *12? RESEARCH OR
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