ENVIRONMENTALPROTECTION AGENCY 40 CFR Part 52 [EPA-R04-0AR-201O-0289-201018(b); FRLApproval and Promulgation ofImplementation Plans Alabama: Volatile Organic Compounds



### AGENCY: Environmental Protection Agency (EPA). 

### ACTION: Proposed rule. 

### SUMMARY: EPA is proposing to approve arevision to the Alabama State Implementation Plan (SIP) submitted by the Alabama Department ofEnvironmental Management (ADEM) on March 3, 2010. The proposed revision would modify the definition of"volatileorganic compounds" (VOCs) found atAlabamaAdministrative Code section 335-3-1-.02(gggg). Specifically, the revision would add two compounds (propylene carbonate and dimethyl carbonate) to the list ofthose excluded from the VOC definition on the basis thatthese compounds make anegligible contributionto tropospheric ozone fonnation. ADEM is seeking to update its SIP to be consistent with the federal rule finalized by EPA onJanuary 21, 2009, which excludes these compounds from the regulatory definition ofVOc. This action is being taken pursuant to Section 110 ofthe CleanAirAct.



### DATES: Written comments mustbe received on orbefore [insert date 30 days after date of publication in the Federal Register].



### ADDRESSES: Submityour comments, identified by Docket ill No. EPA-R04-0AR-201O0289, by one ofthe following methods:1. www.regulations.gQv: Follow the on-line instructions for submitting comments. 2. E-mail: benjamin.lynorae@epa.gov. 3. Fax: (404) 562-9019. 4. Mail: EPA-R04-0AR-2010-0289, Regulatory Development Section, Air Planning Branch, Air, Pesticides andToxics Management Division, U.S. Environmental Protection Agency, Region 4,61 Forsyth Street, SW, Atlanta, Georgia 30303-8960. 5. Hand Delivery or Courier: Ms. Lynorae Benjamin, Chief, Regulatory Development Section, AirPlanning Branch, Air, Pesticides and Toxics ManagementDivision, U.S. Environmental Protection Agency, Region 4,61 Forsyth Street, SW, Atlanta, Georgia 30303-8960. Such deliveries are only accepted during the Regional Office's nonnal hours ofoperation. The Regional Office's official hours ofbusiness are Monday through Friday, 8:30 to 4:30, excluding federal holidays. Please see the direct final rule which is located in the Rules section ofthis Federal Register for detailed instructions on how to submit comments.


### FORFURTHERINFORMATION CONTACT: Mr. Zuri Farngalo, Regulatory Development Section, Air Planning Branch, Air, Pesticides and Toxics ManagementDivision, U.S. Environmental ProtectionAgency, Region 4,61 Forsyth Street, SW, Atlanta, Georgia 30303- 8960. Mr. Famgalo may be reached at (404) 562-9152, orfamgalo.zuri@epa.gov.



### SUPPLEMENTARYINFORMATION: Foradditional infonnation see the direct final rule which is published in the Rules Section ofthis Federal Register. 

### In the Final Rules Section of this Federal Register, EPA is approving the State's SIPrevision as a direct final rule without 

### 2priorproposal because the Agency views this as a noncontroversial submittal and anticipates no

.adverse comments. A detailed rationale for the approval is setforth in the direct final rule. If EPA receives no adverse comments in response to this notice, no further activity is contemplated. IfEPA receives adverse comments, EPA will withdraw the directfinal rule and will address all public comments received in a subsequentfinal rule based on this proposed rule. EPA will not institute a second commentperiod on this document. Any parties interested in commenting on this document should do so atthis time
.

# .q/~JU»i) Dated:**-----:~~~:-----_** 9/3/2010

3 A. Stanley Meiburg Acting Regional Administrator, Region 4.