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###### Department of Energy

###### Federal Energy Regulatory Commission

          - [Docket No. CP12-95-000]

                    Take notice that on March 22, 2012, PetroLogistics Natural Gas Storage, LLC (PetroLogistics), 4470 Bluebonnet Blvd., Baton Rouge, Louisiana 70809, filed in Docket No. CP12-95-000, an application pursuant to section 7(c) of the Natural Gas Act (NGA) and Part 157 of the Commission's regulations, to amend its previously authorized certificate of public convenience and necessity issued in Docket Nos. CP07-427-000, CP07-428-000, and CP07-429-000, as amended in Docket No. CP10-66-000. Specifically, PetroLogistics request to amend its certificate by reducing the total capacity, working gas capacity, and cushion gas capacity of its Cavern 25 located in Iberville Parish, Louisiana, all as more fully set forth in the application which is on file with the Commission and open to public inspection. This filing may also be viewed on the Commission's Web site at                     *http://www.ferc.gov*                     using the “eLibrary” link. Enter the docket number, excluding the last three digits, in the docket number field to access the document. For assistance, call (866) 208-3676 or TTY, (202) 502-8659.                

                    Any questions regarding this application should be directed to Kevin M. Miller, PetroLogistics Natural Gas Storage, LLC, 4470 Bluebonnet Blvd., Baton Rouge, Louisiana 70809, or by calling (225) 706-7690 (telephone) or email                     *kmiller@petrologistics.com.*

Pursuant to section 157.9 of the Commission's regulations, 18 CFR 157.9, within 90 days of this Notice, the Commission's staff will either complete its environmental assessment (EA) and place it into the Commission's public record (eLibrary) for this proceeding; or issue a Notice of Schedule for Environmental Review. If a Notice of Schedule for Environmental Review is issued, it will indicate, among other milestones, the anticipated date for the Commission's staff issuance of the EA for this proposal. The filing of the EA in the Commission's public record for this proceeding or the issuance of a Notice of Schedule for Environmental Review will serve to notify federal and state agencies of the timing for the completion of all necessary reviews, and the subsequent need to reach a final decision on a request for federal authorization within 90 days of the date of issuance of the Commission staff's EA.

There are two ways to become involved in the Commission's review of this project. First, any person wishing to obtain legal status by becoming a party to the proceedings for this project should, on or before the comment date stated below, file with the Federal Energy Regulatory Commission, 888 First Street NE., Washington, DC 20426, a motion to intervene in accordance with the requirements of the Commission's Rules of Practice and Procedure (18 CFR 385.214 or 385.211) and the Regulations under the NGA (18 CFR 157.10). A person obtaining party status will be placed on the service list maintained by the Secretary of the Commission and will receive copies of all documents filed by the applicant and by all other parties. A party must submit 14 copies of filings made with the Commission and must mail a copy to the applicant and to every other party in the proceeding. Only parties to the proceeding can ask for court review of Commission orders in the proceeding.

However, a person does not have to intervene in order to have comments considered. The second way to participate is by filing with the Secretary of the Commission, as soon as possible, an original and two copies of comments in support of or in opposition to this project. The Commission will consider these comments in determining the appropriate action to be taken, but the filing of a comment alone will not serve to make the filer a party to the proceeding. The Commission's rules require that persons filing comments in opposition to the project provide copies of their protests only to the party or parties directly involved in the protest.

Persons who wish to comment only on the environmental review of this project should submit an original and two copies of their comments to the Secretary of the Commission. Environmental commenters will be placed on the Commission's environmental mailing list, will receive copies of the environmental documents, and will be notified of meetings associated with the Commission's environmental review process. Environmental commenters will not be required to serve copies of filed documents on all other parties. However, the non-party commenters will not receive copies of all documents filed by other parties or issued by the Commission (except for the mailing of environmental documents issued by the Commission) and will not have the right to seek court review of the Commission's final order.

                    The Commission strongly encourages electronic filings of comments, protests and interventions in lieu of paper using the “eFiling” link at                     *http://www.ferc.gov.*                     Persons unable to file electronically should submit an original and 14 copies of the protest or intervention to the Federal Energy Regulatory Commission, 888 First Street NE., Washington, DC 20426. See, 18 CFR 385.2001(a)(1)(iii) and the instructions on the Commission's web site under the “e-Filing” link.                

*Comment Date:*                     April 19, 2012.                

Dated: March 29, 2012.

Kimberly D. Bose,

Secretary.

[FR Doc. 2012-8157 Filed 4-4-12; 8:45 am]

BILLING CODE 6717-01-P