New Orleans, Louisiana Area

NEW ORLEANS CMSA (JEFFERSON PARISH, ORLEANS PARISH, ST. BERNARD PARISH, AND ST. CHARLES PARISH), LOUISIANA

Effective Redesignation Date: 12/1/95 (60 FR 51354, 10/2/95)

Maintenance Plan - Key Features

• 1990 base year; 1990 attainment year; projections to 2005
• ambient air monitoring sites to remain active at their present locations during the maintenance period. These data will be quality assured and submitted to AIRS on a monthly basis.
• during year 8 of the maintenance period, revise maintenance plan to be submitted to provide for maintenance of the ozone standard in these parishes for the next 10 years

Contingency Plan Trigger

- VOC offsets

• First trigger - second exceedance of the ozone NAAQS within any consecutive 3 year period
• Second trigger - third exceedance of the ozone NAAQS recorded during any consecutive 3 year period

- CTG or ACT rules

• third exceedance of NAAQS during any consecutive 3 year period in any parish

Contingency Measures

• VOC offsets
• new CTG or ACT rules

Schedule

- VOC offset

• First trigger - offset rule submitted to EPA within 9 months
• Second trigger - offset rule implemented

- CTG or ACT rules

• CTG and ACT VOC rules (where applicable) submitted to EPA within 9 months of trigger
• CTG and ACT VOC rule implemented upon a recorded violation of the NAAQS during any consecutive 3 year period

For further information:

Tom Diggs
Air Planning Section (6PD-L)
U.S. EPA, Region VI
1445 Ross Avenue
Dallas, TX 75202-2733

Telephone: (214) 665-7214; Email: diggs.tom@epa.gov