The Air Division is charged with the responsibility of
insuring that Alabama’s air quality meets federal standards. The Air Division
has several QA/QC methods that can be used in order to analyze the quality of
Alabama’s air. Computer models use air emissions to simulate what the
ground-level concentrations of a pollutant(s) would be using meteorological data
and terrain information. Stack tests are conducted to measure the actual levels
of emissions that are being released by a facility. Emission inventories use the
past year’s actual emissions to analyze emission trends.
In some situations, including the Prevention of Significant
Deterioration (PSD)
program, receiving a permit may involve dispersion modeling to determine the
impact of source emissions on air quality. The ADEM Air Division has developed a
set of modeling guidelines to help applicants with the procedures involved in
modeling.
Emissions measurements include source sampling, air toxics
monitoring, continuous emissions monitoring system (CEMS)
certification, CEMS audits, and visible emissions detection training and
certification. Source sampling activities involve the observation of emissions
tests at regulated and non-regulated industrial facilities throughout the state
and the evaluation of reports from these emissions tests.
The Air Toxics Program includes monitoring for hazardous
compounds at both regulated and non-regulated facilities. Monitoring efforts
have included fenceline sampling at pulp and paper mills, chemical plants,
landfills, and other sources of hazardous air pollutants.
Contact Information
ADEM
Attn: Air Division
Post Office Box 301463
Montgomery, Alabama 36130-1463
Telephone Number: (334) 271-7861
Fax Number: (334) 279-3044
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