(a) Approval. The Louisiana Department of Environmental Quality (LDEQ) submitted redesignation requests and maintenance plans for the areas of Beauregard, Lafourche, and St. Mary Parishes on June 14, 1993. Redesignation requests and maintenance plans were submitted for the areas of Grant and Lafayette on May 25, 1993. The EPA deemed these requests complete on September 10, 1993. Several approvability issues existed, however. The LDEQ addressed these approvability issues in supplemental ozone redesignation requests and revised maintenance plans. These supplemental submittals were received for the areas of Beauregard, Grant, Lafayette, Lafourche, and St. Mary Parishes on March 27, 1995, December 12, 1994, October 21, 1994, November 18, 1994, and November 23, 1994, respectively. The redesignation requests and maintenance plans meet the redesignation requirements in section 107(d)(3)(E) of the Act as amended in 1990. The redesignations meet the Federal requirements of section 182(a)(1) of the Clean Air Act as a revision to the Louisiana ozone State Implementation Plan for these areas. The EPA therefore approved the request for redesignation to attainment with respect to ozone for the areas of Beauregard, Grant, Lafayette, Lafourche, and St. Mary Parishes on October 17, 1995.

(b) Approval - The Louisiana Department of Environmental Quality (LDEQ) submitted a redesignation request and maintenance plan for St. James Parish on May 25, 1993. The EPA deemed this request complete on September 10, 1993. Several approvability issues existed, however. The LDEQ addressed these approvability issues in a supplemental ozone redesignation request and revised maintenance plan. This supplemental submittal was received for St. James Parish on December 15, 1994. The redesignation request and maintenance plan meet the redesignation requirements in section 107(d)(3)(E) of the Act as amended in 1990. The redesignation meets the Federal requirements of section 182(a)(1) of the Clean Air Act as a revision to the Louisiana ozone State Implementation Plan for this parish. The EPA therefore approved the request for redesignation to attainment with respect to ozone for St. James Parish on November 13, 1995.

(c) Approval - The Louisiana Department of Environmental Quality (LDEQ) submitted a redesignation request and maintenance plan for the New Orleans CMSA on April 23, 1993. The EPA deemed this request complete on September 10, 1993. Several approvability issues existed, however. The LDEQ addressed these approvability issues in a supplemental ozone redesignation request and revised maintenance plan. This supplemental submittal was received on October 14, 1994. The redesignation request and maintenance plans meet the redesignation requirements in section 107(d)(3)(E) of the Act as amended in 1990. The redesignation meets the Federal requirements of section 182(a)(1) of the Clean Air Act as a revision to the Louisiana ozone State Implementation Plan for Jefferson, Orleans, St. Bernard, and St. Charles Parishes. The EPA therefore approved the request for redesignation to attainment with respect to ozone for 7Jefferson, Orleans, St. Bernard, and St. Charles Parishes on December 1, 1995.

(d) Approval - The Louisiana Department of Environmental Quality submitted a redesignation request and maintenance plan for Pointe Coupee Parish on December 20, 1995. The redesignation request and maintenance plan meet the redesignation requirements in section 107(d)(3)(E) of the Act as amended in 1990. The redesignation meets the Federal requirements of section 182(a)(1) of the Clean Air Act as a revision to the Louisiana ozone State Implementation Plan for Pointe Coupee Parish. The EPA therefore approved the request for redesignation to attainment with respect to ozone for Pointe Coupee Parish on December 20, 1996.

(e) Approval - The Louisiana Department of Environmental Quality submitted a redesignation request and maintenance plan for Calcasieu Parish on December 20, 1995. The redesignation request and maintenance plan meet the redesignation requirements in section 107(d)(3)(E) of the Act. The redesignation meets the Federal requirements of section 182(a)(1) of the Act as a revision to the Louisiana ozone State Implementation Plan for Calcasieu Parish. The EPA therefore approved the request for redesignation to attainment with respect to ozone for Calcasieu Parish on June 2, 1997.

(f) Approval - The Louisiana Department of Environmental Quality (LDEQ) submitted minimal maintenance plans for Lafourche Parish on November 18, 1994. The LDEQ submitted a redesignation request on August 9, 2000. The maintenance plans meet the redesignation requirements in section 107(d)(3)(E) of the Act as amended in 1990. The redesignation meets the Federal requirements of section 182(a)(1) of the Clean Air Act as a revision to the Louisiana ozone State Implementation Plan for Lafourche Parish.

(g) Approval - The Louisiana Department of Environmental Quality (LDEQ) submitted to the EPA a request on December 4, 2000, to revise the Louisiana SIP for Beauregard, St. Mary, Lafayette, and Grant Parishes and the New Orleans Consolidated Metropolitan Statistical Area ozone maintenance area. The revision involves changes to the approved contingency plans. The contingency measures and the schedule for implementation satisfy the requirements of section 175A(d) of the Act. The EPA therefore approved this request on June 20, 2003.

(h) Approval. The Louisiana Department of Environmental Quality (LDEQ) submitted 8-hour ozone maintenance plans for the areas of Beauregard, Grant, and St. Mary Parishes on August 23, 2006, August 23, 2006, and October 10, 2006, respectively. The three areas are designated unclassifiable/attainment for the 8-hour ozone standard. EPA determined these requests for Beauregard, Grant, and St. Mary Parishes were complete on October 9, 2006, October 9, 2006, and November 30, 2006, respectively. The maintenance plans meet the requirements of section 110(a)(1) of the Clean Air Act, and are consistent with EPA's maintenance plan guidance document dated May 20, 2005. The EPA therefore approved the 8-hour ozone maintenance plans for the areas of Beauregard, Grant, and St. Mary parishes on November 6, 2007.

(i) Approval. The Louisiana Department of Environmental Quality (LDEQ) submitted 8-hour ozone maintenance plans for the Lafayette and Lafourche Parish areas on October 13, 2006 and December 19, 2006, respectively. The two areas are designated unclassifiable/attainment for the 8-hour ozone standard. EPA determined these requests for Lafayette and Lafourche Parishes were complete on November 30, 2006 and May 2, 2007, respectively. These maintenance plans meet the requirements of section 110(a)(1) of the Clean Air Act, and are consistent with EPA's maintenance plan guidance document dated May 20, 2005. The EPA therefore approved the 8-hour ozone maintenance plans for the Lafayette and Lafourche Parish areas on March 24, 2008.

(j) Approval. The Louisiana Department of Environmental Quality (LDEQ) submitted 1997 8-hour ozone NAAQS maintenance plans for the areas of Calcasieu and St. James Parishes on July 20, 2007, and August 24, 2007, respectively. The two areas are designated unclassifiable/attainment for the 1997 8-hour ozone standard. EPA determined these requests for Calcasieu and St. James Parishes were complete on October 5, 2007, and October 16, 2007, respectively. The maintenance plans meet the requirements of section 110(a)(1) of the Clean Air Act, and are consistent with EPA's maintenance plan guidance document dated May 20, 2005. The EPA therefore approved the 1997 8-hour ozone NAAQS maintenance plans for the areas of Calcasieu and St. James Parishes on October 9, 2008.

(k) Approval. The LDEQ submitted a maintenance plan addressing the 1997 8-hour ozone standard for the New Orleans Ozone Maintenance Area on June 29, 2007. This area is designated unclassifiable/attainment for the 1997 ozone standard. EPA determined this request for the New Orleans Ozone Maintenance Area was complete on August 8, 2007. This maintenance plan meets the requirements of section 110(a)(1) of the CAA, and is consistent with EPA's maintenance plan guidance document dated May 20, 2005. The EPA therefore approved the 1997 8-hour ozone NAAQS maintenance plan for the New Orleans Ozone Maintenance Area including the parishes of Jefferson, Orleans, St. Bernard and St. Charles on September 16, 2008.

(l) Approval. The Louisiana Department of Environmental Quality (LDEQ) submitted a 1997 8-hour ozone NAAQS maintenance plan for the area of Pointe Coupee Parish on February 28, 2007. The area is designated unclassifiable/attainment for the 1997 8-hour ozone standard. EPA determined this request for Pointe Coupee Parish was complete on May 2, 2007. The maintenance plan meets the requirements of section 110(a)(1) of the Clean Air Act, and is consistent with EPA's maintenance plan guidance document dated May 20, 2005. The EPA therefore approved the 1997 8-hour ozone NAAQS maintenance plan for the area of Pointe Coupee Parish on May 9, 2013.