# MP r 305 8 Researc h Drive

State College , Pennsylvani a 1680 1 US A Telephone : •^1.814.272.103 9 RESEARC H Fax:•^1.814.231.158 0
Octobe r29 , 201 2 Mr
. Ton yElli s U S EP A- Headquarter s Offic e o fCivi l Enforcemen t Roo m 504 1 A , Arie l Rio s Sout h Buildin g 120 0 Pennsylvani a Avenue , N W Washington , D C 2000 4 Subject : TSCA-HQ-2004-0016 , RCRA-HQ-2004-0016 , TSCA-HQ-2005-500 1 SE P A Fluorotelomer-Base d Produc t Biodegradatio n Testin g (Characterizatio n Work ) - Octobe r 201 2 Progres s Repor

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. Ellis , Enclose d i s th e MP I Researc h Technica l Progres s Report i n support o f th e subject characterizatio n work , i n har d cop yan d i n C D format
. Thi s documen t wa s prepare d pursuan t t o Characterizatio n laboratoryExhibi t A : Scop e o f Work , Sectio n 4f
. Th e CD s submitte d contai n th e Progres s Report
. N o technica l wor k was conducte d i n Octobe r2012 , spreadsheet s wer e finalized , an d on e conferenc e cal l wa s attende d b yon e MP I Researc h employe e durin g thi s tim e frame
. I fyo u hav e question s o rrequir e furthe rinformatio n pleas e contac t m e a t 814-272-1039x1310
. Sincerely ,

nsi o Analytica l Product Lin e Directo r MP I Researc h 305 8 Researc h Driv e • Stat e College , PA1680 1 Tel:+1.814.272.1039x131 0 Cell : +1.216.849.346 3 Patricia.dellsio(S)mDiresearch.co m • vwiw.mpiresearch.co m

cc : Danie l J . Wright

- Directo r

Analytical Sciences , MPI Researc h LynnAnnDeklev a- DuPont Chemical s andFluoroproduct sTHI S DOCUMEN TDOE S NO TCONTAI N CONFIDENTIA L BUSINES S INFORMATIO N (CBI ) 

# MP l RESEARC H TSCA-HQ-2004-016 , RCRA-HQ-2004-0016 , TSCA-HQ-2005-500 1 SE P AFluorotelomer-Base d Produc t Characterizatio n Subject : MP I Researc h Technica l Progres s Repor t

Octobe rIt o 29 , 201 2 1 Introductio n Thi s documen t present s th e progres s ofth e technica l wor k fo rcharacterizatio n of fluorotelomer-base d product s an d correspondin g synthesize d o rpurifie d polymers i n suppor t o f th e Biodegradatio n Testin g Supplementa l Environmenta l Projec t ("Biodegradatio n SEP")
. Thi s progres s repor

t i s prepare d pursuan t t o Characterizatio n Laborator yExhibi t A : Scop e o fWork , Sectio n 4f
. Thi s repor

t relate s tha t n o technica l wor k wa s performe d fro m Octobe r1 , 201 2 t o Octobe r29 , 2012
. Revie wo fdat a wa s complete d an d fina l spreadsheet s fo rth e MTBE 3 vTH F experimen t ar e provide d a s appendices
. 2 Progres s Summar y On e conferenc e cal l wa s attende d Octobe r17 , 201 2 byGar yOde n an d i s reflecte d i n th e attache d invoice
. N o laborator ywor k wa s conducte d durin g thi s tim e period ; howeve r8 hours wa s spen t byon e senio rleve l analys t an d th e Q C Manage rt o finaliz e th e spreadsheet s fo rth e MTB E vTH F experiment
. Th e invoic e fo rthi s wor k (5 8 hours fro m Septembe ran d Octobe r 2102 ) wil l b e submitte d i n October
. 3 Attachment s 3. 1 Fina l spreadsheet s 3.1. 1 MTBE 1

. 3.1. 2 MTBE 2 ': 3.1. 3 MTBE 3 3.1. 4 THF 1 3.1. 5 THF 2 3. 2 Invoic e

MP I Researc h 10/29/1 2 Technica l Progres s Repor tTHI S DOCUMEN TDOE S NO TCONTAI N CONFIDENTIA L BUSINES S INFORMATIO N (CBI )
4 Signature s I certifyunde rpenaltyoflawtha t I hav e examine d an d a m familia rwit h th e informatio n submitte d i n thi s documen t an d al l attachment s an d tha t thi s documen t an d it s attachment s wer e prepare d eithe rbym e personall yo runde rmydirectio n fo rsupervisio n i n a manne r designe d t o ensur e tha t qualifie d an d knowledgeabl e personne l properl ygathe ran d presen t th e informatio n containe d therein
. I furthe rcertify , base d o n mypersona l knowledg e o ro n my inquir yo fthos e individual s immediatel yresponsibl e fo robtainin g th e information , tha t th e informatio n i s true , accurat e an d complete
. I a m awar e tha t ther e ar e significan t penaltie s fo r submittin g fals e information , includin g th e possibilityoffine s an d imprisonmen t fo rknowingl y an d willfull ysubmittin g a materiall yfals e statement . 

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MP I Researc h 10/29/1 2 Technica l Progres s Repor tTHI S DOCUMEN TDOE S NO TCONTAI N CONFIDENTIA L BUSINES S INFORMATIO N (CBI ) 

### Appendi x3. 1 Fina l Spreadsheet s MTB E vTH F Experiment - provide d o n C D

MP I Researc h 10/29/1 2 Technica l Progres s Repor tTHI S DOCUMEN TDOE S NO TCONTAI N CONFIDENTIA L BUSINES S INFORMATIO N (CBI ) 

### Appendi x3. 2 Invoic e

MP I Researc h 10/29/1 2 Technica l Progres s Repor tOrigina l Invoic e 

# MP I Customized
. Responsive
. RESEARC H On-Tijrie.' "
Bil l To : E.I
. DUPON TD E NEMOUR S AN D COMPAN Y NASHVILL E PAYMEN TCENTE R RE : LYN N DEKLEV A 2 0 OL D HICKOR YBOULEVAR D OL D HICKORY , T N 37138-315 9 UNITE D STATE S O F AMERIC A Purchas e Orde rNo. : MP I Projec t Manager : MP I Stud yNo. : Stud yTitle : 3500039905 0 deLisio , Patrici a L 0125.014 4 invoic e No. : Invoic e Date : Du e Date : Terms : INV-07981 9

Octobe r29 , 201 2 Januar y27 , 201 3 Ne t 9 0 Remi t Chec k

To : MP I RESEARCH , INC
. 152 1 PAYSPHER E CIRCL E
CHICAGO , I L 6067 4 UNITE D STATE S O F AMERIC A Projec t ID : Sampl e ID :
A 3 STUD Y T O TES T TH F AN D MTB E POLYME R EXTRACTION S AN D ANALYSIS : MTBE 3 V . TH F EXPERIMEN T SEPTEMBE R AN D OCTOBE R 201 2 MTB E vTH F SPREADSHEE T REVISION S Matri x Descriptio n Unit s Uni t Pric e Amoun t HOURL YRAT E HOURL YRAT E 52.0 0 6.0 0 250.0 0

125.0 0 $13,000.0 0

$750.0 0 Tota l fo rInvoic e INV-07981 9 US D $13,750.0 0

AC H Instructions : Ban k o fAmeric a AC H Routing/ABA : 07100003 9 Accoun t Number : 105453076 2 Ta xID : #38-340058 7 Wir e Transfe rInstructions : Ban k o fAmeric a Wir e Routing/ABA : 02600959 3 Accoun t Number : 105453076 2 Swift Code : B0FAUS3 N Correspondenc e ONLY : 305 8 Researc h Drive , Stat e College , P A1680 1 TELEPHONE : 814-272-103 9 FAX : 814-231-158 0