Document Headings

                    Document headings vary by document type but may contain                    the following:                  
                -                       the agency or agencies that issued and signed a document                    
                -                       the number of the CFR title and the number of each part                      the document amends, proposes to amend, or is directly                      related to                    
                -                       the agency docket number / agency internal file number                    
                -                       the RIN which identifies each regulatory action listed in                      the Unified Agenda of Federal Regulatory and Deregulatory                      Actions                    

                    See the                                          Document Drafting Handbook                                        for more details.                  

###### Environmental Protection Agency

          - 40 CFR Part 721
          - [EPA-HQ-OPPT-2008-0252; FRL-8804-3]
          - RIN 2070-AB27

# AGENCY:

Environmental Protection Agency (EPA).

# ACTION:

Proposed rule; reopening of comment period.

# SUMMARY:

                        EPA issued a proposed rule in the                         **Federal Register**                         of November 6, 2009, concerning proposed significant new use rules for certain chemical substances. EPA has received a request to extend the comment period. This document reopens the comment period for 30 days.                    

# DATES:

Comments, identified by docket identification (ID) number EPA-HQ-OPPT-2008-0252, must be received on or before February 8, 2010.

# ADDRESSES:

                        Follow the detailed instructions as provided under                         **ADDRESSES**                         in the                         **Federal Register**                         document of November 6, 2009.                    

# FOR FURTHER INFORMATION CONTACT:

*For general information contact*: Colby Lintner, Regulatory Coordinator, Environmental Assistance Division (7408M), Office of Pollution Prevention and Toxics, Environmental Protection Agency, 1200 Pennsylvania Ave., NW., Washington, DC 20460-0001; telephone number: (202) 554-1404; e-mail address:                         *TSCA-Hotline@epa.gov*.                    

*For technical information contact*: Jim Alwood, Chemical Control Division (7405M), Office of Pollution Prevention and Toxics, Environmental Protection Agency, 1200 Pennsylvania Ave., NW., Washington, DC 20460-0001; telephone number: (202) 564-8974; e-mail address:                         *alwood.jim@epa.gov*.                    

# SUPPLEMENTARY INFORMATION:

                    This document reopens the public comment period established in the                     **Federal Register**                     of November 6, 2009 (74 FR 57430) (FRL-8436-8). In that document, EPA proposed significant new use rules for certain chemical substances. EPA received a request to extend the comment period. EPA is hereby reopening the comment period for 30 days.                

                    To submit comments, or access the docket, please follow the detailed instructions as provided under                     **ADDRESSES**                     in the November 6, 2009                     **Federal Register**                     document. If you have questions, consult the technical person listed under                     **FOR FURTHER INFORMATION CONTACT**                    .                

# List of Subjects in 40 CFR Part 721

      - Environmental protection
      - Chemicals
      - Hazardous substances
      - Reporting, and recordkeeping requirements

Dated: December 17, 2009.

Barbara A. Cunningham,

Acting Director, Office of Pollution Prevention and Toxics.

[FR Doc. 2010-115 Filed 1-7-10; 8:45 am]

BILLING CODE 6560-50-S