!iEc:Ei\iEO 

OPPT CBIC LANXESS 

Energizing Chemistry 2012JAN26 At1II:~1 

Deborah Vercek January 23,2012 Regulatory Affairs 

111 Park West Drive 

Pittsburgh, PA 15272·1112 VIA FED EX 

Phone 412-809-3709 

Fax: 412-809-1056 

Document Control Office (DCO) (7407M) 	 Deborah. Vercek@lanxess.com 

Office www.US.LANXESS.com of Pollution Prevention and T oxics (OPPT) 

Environmental Protection Agency 

1200 Pennsylvania Avenue, NW 

Washington, DC 20460-0001 

1111111111111111111111111111111111111111111111111111111111111111 ATTN: 40 CFR 799.5089; 40120000038 

Docket 10 Number EPA-HQ-OPPT-2009-0112 

Letter of Intent to Conduct Testing for CASt 98-09-9 

LAI\lXESS Corporation just recently acquired Unitex Corporation. 

During our review of the acquired product compositions, we became 

aware that one product contained CAS# 98-09-9 which is the subject 

of a newly published Test Rule. 

We've just confirmed that this is a product which is currently being 

imported and that the Business Unit wants to remain in the market, 

which is why this letter of intent is late. 

This serves as a Letter of Intent to Conduct Testing, in compliance 

with 40CFR 790.45: 

Test Rule Identification: 40 CFR 799.5098---Chemical testing 

requirements for third group of high production volume chemicals. 

Firm Sponsoring Test: Lanxess Corporation 

111 RIDC Park West Drive 

Pittsburgh, PA 15275-1112 

Contact Person: 	 Debbie Vercek 

Sr. Regulatory Affairs Specialist 

LANXESS Corporation 

Phone: 412-809-3907 

Email: Deborah.vercek@lanxess.com 

Substance for Testing: 	Benzenesulfonyl chloride 

CAS# 98-09-9 

Testing Categories: 	 Aquatic Toxicity Testing CONTAINS NO CSI 

Mammalian T oxicity-genotoxicity 
Mammalian Toxicity-repeated 

dose/reproduction/developmental 

LANXESS Corporation intends to fill the data gaps as requested and 

participate in periorming the required testing. 

Should you have any questions, please contact me. 

Sincerely, 

/' -.-- ',. /' 

'JeJt1c-Ll~ .VtAL¥­

Deborah A. Vercek 


Senior Regulatory Affairs Specialist 


cc: S. Van Volkenburg 

J. Day 

J. Sawaya 
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