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MACTEC is dedicated to helping our clients develop
innovative, cost-effective solutions for all phases
of air quality projects, from identifying project
requirements and goals to project execution and
completion. Today, the complexities of air quality
management require the services of technical professionals
who understand:
• Corporate cultures
• Industrial processes
• Changing regulations
• Public and regulatory concerns
• Leading-edge approaches to health effects
and risks of hazardous air pollutants
• State-of-the-art pollution control technology
• Quality assurance/quality control
• Atmospheric dispersion, diagnostic and
deposition models
• Sampling and measurement techniques and
systems
• Waste incineration system development
and permitting
Our highly qualified air quality specialists
assist our clients in meeting existing and anticipated
needs and provide a full range of environmental
and engineering air quality services. MACTEC's
extensive in-house scientific and engineering
capabilities include:
• Air pollution control strategies &
engineering
• Air quality data management
• Air quality modeling
• Ambient air quality monitoring
• Air toxic risk assessment
• Community relations and risk communication
• Compliance evaluation
• Emissions inventory
• Impact analysis
• Indoor air quality
• New Source Review permitting
• Noise analysis
• Odor assessment
• Regulatory assistance
• Risk management & prevention programs
• Title V Operating Permits
Air Dispersion Modeling
MACTEC offers complete services in air quality
dispersion modeling for specific project applications.
These applications range from comprehensive Prevention
of Significant Deterioration permits for new plant
construction to assessing the consequences of
an accidental chemical release. Our modeling services
include:
• Accidental chemical releases
• Acidic deposition
• Aerodynamic downwash
• Ambient monitor siting
• Cooling tower drift and fogging studies
• Determination of good engineering practice
stack heights
• Expert testimony
• Flat and complex terrain situations
• Lake/sea breeze fumigation
• Long-range transport
• Mobile sources
• Odor potential modeling
• Particle deposition / chemical reactions
• Photochemical assessments
• Point, line, area, volume and complex
industrial source modeling
• Screening and refined analysis
• Visibility impact modeling
Permitting
MACTEC provides permitting services relative to
a wide range of air pollutant emission sources.
Our comprehensive services help companies plan
operational strategies that will achieve compliance
with air pollution regulations with minimal cost
and maximum operational flexibility. Our capabilities
include experience in the following areas.
Prevention of Significant Deterioration
(PSD) Permitting for New Facilities and Major
Modifications
• Constraint analysis
• Pre-application ambient air quality and
meteorological monitoring
• Dispersion modeling
• Best available control technology (BACT)
analysis
• Impacts on soils, vegetation and visibility
• Impacts in PSD Class I areas
• Expert testimony
Nonattainment New Source Review and
Source Modifications
• Lowest achievable emission rate analysis
• Reasonably available control technology
(RACT) analysis
• Assessment of emissions offset requirements
and assistance in procuring emissions credits
• Application preparation
Title V Operating Permits
MACTEC supports all aspects of preparing a complete
operating permit application to comply with the
Clean Air Act Title V requirements including:
• Emissions inventory development
• Database management systems
• Compliance assessments
• Compliance assurance monitoring and compliance
certification protocols
• Recordkeeping and compliance activities
• Application preparation
• Permit modifications
Ambient Monitoring
Ambient air quality monitoring is a fundamental
requirement of air quality compliance surveillance,
new source permitting, and health effects evaluation.
MACTEC has extensive experience performing this
service including planning, implementing and operating
air quality monitoring networks, and providing
data management and interpretation assistance.
We provide custom monitoring turnkey systems and
services including site selection, equipment,
procurement, operation, reporting and demobilization.
MACTEC has experience in virtually all types
of measurement systems including continuous air
quality and meteorological measurements, filter
packs for measuring PM 2.5 and its chemical constituents,
and various types of samplers (e.g., canisters)
for measuring organic gases and air toxics. We
are at the forefront of developing new measurement
technologies of NOx, NH3, and other nitrogen species.
MACTEC uses advanced database management systems
for archiving, analyzing and interpreting air
quality data.
Moreover, MACTEC has experience in implementing
monitoring systems for the following purposes:
• Supporting PSD applications
• Pre-construction monitoring
• Compliance surveillance
• Air quality trends
• Air toxics monitoring
• Remediation project support
Source Sampling
MACTEC has performed numerous source emissions
testing projects for petrochemical, manufacturing,
utility and other industries nationwide. We are
proficient with US Environmental Protection Agency
sampling procedures and federal and state regulatory
guidelines.
Source emissions testing has been performed for
a wide variety of engineering projects, compliance
testing, continuous emission monitoring (CEM)
certifications, boiler and industrial furnace
compliance testing, RCRA trial burns, and non-routine
in-house studies. MACTEC has state-of-the-art
sampling trains, calibration equipment, mobile
CEM laboratories, and support equipment resources.
Our qualifications, expertise and experience
in source emissions testing and consulting include:
• CEM
• In situ emission testing
• Air toxics and hazardous air pollutant
sampling and analysis
• CEM installation and certification
• Compliance and performance demonstrations
• Pollution control equipment efficiency
testing
• BACT/MACT/RACT analysis
Engineering
MACTEC helps clients identify cost-effective control
options and design solutions ranging from process
changes to capture and control technologies. Our
specific areas of expertise include:
• Technical/economic feasibility studies
• Design of process modifications
• Design of capture/control systems
• Compliance demonstration testing
Our design engineers also prepare engineering
drawings and bid specifications to assist clients
in pollution control and monitoring equipment
purchases.
Litigation Support
MACTEC works with environmental law firms representing
companies and private individuals in permit, variance,
enforcement, and citizen suit proceedings under
the Clean Air Act. We help generate data and analyses
to develop the factual records upon which decisions
are made. We also seek to help our clients avoid
litigation by advising them on how best to comply
with the law.
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