Baton Rouge Ozone Attainment SIP
In reaching the goal of attainment with the 1-hour ozone National Ambient
Air Quality Standard (NAAQS) of 0.12 ppm, the Baton Rouge area has experienced
an approximate 67% decrease in emissions of volatile organic compounds
(VOC) and a 37% decrease in emissions of nitrogen oxides (NOx) since 1990.
Despite the progress made, the Baton Rouge area did not attain the 1-hour
ozone standard by its attainment date in 1999 due to having a design value
that was 2 parts per billion (ppb) above the 124 ppb that was needed to
attain the standard.
On April 24, 2003, the EPA finalized its finding that the Baton Rouge
1-hour ozone nonattainment area failed to attain the 1-hour ozone standard
by its statutory attainment date of November 15, 1999 and reclassified
the Baton Rouge area by operation of law to severe ozone nonattainment
pursuant to section 181(b)(2) of the Clean Air Act (CAA) with an attainment
date of November 15, 2005. The reclassification was effective June 23,
2003.
Under section 182(i) of the CAA, serious ozone nonattainment areas reclassified
to severe are required to submit SIP revisions addressing the severe area
requirements for the 1-hour ozone standard. Under section 182(d), severe
area plans are required to meet all the requirements for serious area
plans plus the requirements for severe area plans.
Chapter 22 - Control of Nitrogen Oxides (NOx)
The Louisiana Department of Environmental Quality (LDEQ) has proposed
a NOx control rule that establishes requirements for reducing emissions
of NOx during the ozone season in the Baton Rouge 5-parish Nonattainment
Area (Ascension, East Baton Rouge, Iberville, Livingston, and West Baton
Rouge) and from point sources in the Region of Influence (East Feliciana,
Pointe Coupee, St. Helena and West Feliciana Parishes).
Affected facilities include those with one or more sources that collectively
emit or have the potential to emit fifty (50) tons per year or more of
NOx. The rule proposes emission factors for reducing NOx emissions from
boilers, heaters, furnaces, turbines and internal combustion engines.
Further, the rule proposes requirements for permits, compliance, record
keeping and reporting.
The rule achieves, at a minimum, the emission reductions relied on in
the attainment modeling. The modifications to comply with Chapter 22 must
be operational by May 1, 2005. November 2005 is the Clean Air Act compliance
date for the Baton Rouge Nonattainment Area
NOx Limits
The following emission factors for sources in the Region of Influence
must be met:
Electric Power Generating System Boilers:
- Coal-fired 0.21 lb/MMBtu
- No. 6 fuel oil-fired 0.18 lb/MMBtu
- All others (gaseous or liquid) 0.10 lb/MMBtu
Industrial Boilers:
0.10 LB/MMBtu
Process Heater/Furnaces:
- Ammonia reformers 0.23 LB/MMBtu
- All others 0.08 LB/MMBtu
Stationary Gas Turbines:
- Peaking Service, Fuel Oil-fired 0.30 LB/MMBtu
- Peaking Service, Gas-fired 0.20 LB/MMBtu
- All others 0.16 LB/MMBtu
Stationary Internal Combustion Engines:
- Lean-burn engines 4 g/Hp-hr
- Rich-burn engines 2 g/Hp-hr
Refer to the Emission
Limits Table for more information.
Resource Links
Louisiana Department
of Environmental Quality
United States Environmental
Protection Agency (Office of Air & Radiation)
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