### Cover Letter

Attached are summaries for our AMES and the Polymer Safety Evaluation. The summaries contain the principal findings of each of the studies. These studies are being translated into English and the full studies will be submitted during the PMN review period.

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Page 3 SANITIZED SUBMISSIONXXX XXX XXX XXX XXX XXX XXX XXX Mark Greenwood Ropes & Grays, LLP 1 Metro Center 700 12th Street NW Washington DC 20005-3948 mark.greenwood@ropesgray.com 202-508-4605

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XXX XXX XXX Microsoft Word - CPT molecular weight method of measurement SAN.pdf

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XXX See Attachment 001 (structure san.pdf)

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XXX Tetrafluoroethylene Chlorotrifluoroethylene copolymer 

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X Automotive Fuel Hose XXX X XXX X XXX XXX XXX XXX X Semi conductor / Chemical tubing XXX X XXX X XXX XXX XXX XXX X

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New Chemical substance usage = 15.8 kg/hr

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Page 16 SANITIZED SUBMISSIONPage 17 SANITIZED SUBMISSION001 Sanitized Chemical Structure structure san.pdf Pt.I, Sec.B, 2e. 1 002 Sanitized Spectra IR Spectra_CPT san.pdf Worksheet: Spectra 1 003 Tubing Extrusion Process Tubing Extrusion Process San.xls.pdf 1 004 CPT 116018-07-6 CAS Report CPT 116018-07-6 CAS Report SAN.pdf Pt.I, Sec.B, 2c. 2 005 Summary of CPT Ames Test Summary of CPT Ames sanitized.pdf 2 006 Summary of CPT Polymer Safety Evaluation Test CPT Safety Evaluation sanitized.pdf 4 007 CPT MW measure Sanitized Microsoft Word - CPT molecular weight method of measurement Pt.I, Sec.B, 2a. 1 008 MSDS sanitized MSDS CPT pellet San.doc 4

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239-251 Measured 

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UL rating=V0 Measured

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### ATTACHMENT HEADER SHEET Attachment Number 001 Attachment Name Sanitized Chemical Structure 

### Associated PMN Section Number

Pt.I, Sec.B, 2e. Does not contain CBI 

### Report Number PMNX110804951646076

### ATTACHMENT HEADER SHEET Attachment Number 002 Attachment Name Sanitized Spectra 

### Associated PMN Section Number

Worksheet: Spectra Does not contain CBI 

### Report Number PMNX110804951646076

### ATTACHMENT HEADER SHEET Attachment Number 003 Attachment Name Tubing Extrusion Process 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMNX110804951646076

### ATTACHMENT HEADER SHEET Attachment Number 004 Attachment Name CPT 116018-07-6 CAS Report 

### Associated PMN Section Number

Pt.I, Sec.B, 2c. Does not contain CBI 

### Report Number PMNX110804951646076

### ATTACHMENT HEADER SHEET Attachment Number 005 Attachment Name Summary of CPT Ames Test 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMNX110804951646076

### ATTACHMENT HEADER SHEET Attachment Number 006 Attachment Name Summary of CPT Polymer Safety Evaluation Test 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMNX110804951646076

### ATTACHMENT HEADER SHEET Attachment Number 007 Attachment Name CPT MW measure Sanitized 

### Associated PMN Section Number

Pt.I, Sec.B, 2a. Does not contain CBI 

### Report Number PMNX110804951646076

### ATTACHMENT HEADER SHEET Attachment Number 008 Attachment Name MSDS sanitized 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number PMNX110804951646076