### Cover Letter

Center for Regulatory Services, Inc. 5200 Wolf Run Shoals Road * Woodbridge, VA 22192-5755 Telephone 703 590 7337 * Fax 703 580 8637 cfrsrv@aol.com July 8, 2011 U.S. Environmental Protection Agency 1201 Constitution Avenue, Room 6428 TSCA Confidential Business Information Center (CBIC) Washington, DC 20460 Dear Sir or Madam: Enclosed is a CBI PreManufacture Notice (PMN) submission on CD for the substance with the generic chemical name polyoxyalkylene ether, polymer with aliphatic diisocyanate, homopolymer, alkanol-blocked.. A unique identifying number has been assigned to the PMN, TS-AK705C, and a check in the amount of $2,500.00 has been sent to the U.S. EPA Headquarters Accounting Operations Branch, Pittsburgh, which has also been marked with the unique identifying number. Please feel free to telephone the undersigned with any questions. Sincerely, William A. Olson, Ph.D. Consultant WAO:gbt PMN AK705C-EPA ltr Enclosures PMN Page 2, Signature of Submitter PMN Page 3, General Information PreManufacture Notice on CD, TS-AK705C cc:	Iwai (11-008) A. Shirai, AKA Page 1 SANITIZED SUBMISSION11 AK70110708917654076 AK705C

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Polyoxyalkylene ether, polymer with aliphatic diisocyanate, homopolymer, alkanol-blocked 

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Copy (4) of Copy of Sanitized Page scan0001.pdf Page 15 SANITIZED SUBMISSIONP10SB1(a)(4)1 Part II, Section B, 1(a)(4). Operation Site Locations

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Page 17 SANITIZED SUBMISSIONPage 18 SANITIZED SUBMISSION001 CAS Sanitized Copy (2) of Copy of Sanitized Page scan0001.pdf Pt.I, Sec.B, 2c. 4 002 Chemical Structure CBI Copy (3) of Copy of Sanitized Page scan0001.pdf Pt.I, Sec.B, 2e. 1 003 MSDS Sanitized MSDS Sanitized-AK705C scan0001.pdf 7 004 Operation Description Copy (4) of Copy of Sanitized Page scan0001.pdf Pt.2, Sec.B, 1a. 1 005 GPC Copy (5) of Copy of Sanitized Page scan0001.pdf 2 006 IR Spectrum Copy (6) of Copy of Sanitized Page scan0001.pdf 1

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### ATTACHMENT HEADER SHEET Attachment Number 001 Attachment Name CAS Sanitized 

### Associated PMN Section Number

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

### Report Number AK70110708917654076

### ATTACHMENT HEADER SHEET Attachment Number 002 Attachment Name Chemical Structure CBI 

### Associated PMN Section Number

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

### Report Number AK70110708917654076

### ATTACHMENT HEADER SHEET Attachment Number 003 Attachment Name MSDS Sanitized 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number AK70110708917654076

### ATTACHMENT HEADER SHEET Attachment Number 004 Attachment Name Operation Description 

### Associated PMN Section Number

Pt.2, Sec.B, 1a. Does not contain CBI 

### Report Number AK70110708917654076

### ATTACHMENT HEADER SHEET Attachment Number 005 Attachment Name GPC 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number AK70110708917654076

### ATTACHMENT HEADER SHEET Attachment Number 006 Attachment Name IR Spectrum 

### Associated PMN Section Number

N/A Does not contain CBI 

### Report Number AK70110708917654076