Air Quality Consulting Solutions

ALL4 Air Quality Expertise

ALL4 was founded by air quality consulting experts and our air quality consulting services remain a key technical focus for us.  Our air quality practice is made up of technical staff at all levels, from recent college graduates to nationally-known experts with over 40 years of experience.  Our experienced consultants are on top of the air quality regulatory and technical drivers that facilities need to strategically address and are well-versed in all aspects of air permitting, compliance, modeling, and monitoring.  We specialize in solving challenges associated with complex projects.

Why use an Air Quality Consultant?

The federal air quality regulations are accompanied by thousands of pages of interpretive guidance and each state has their own air quality regulations and permitting procedures.  Interpreting this information can be difficult and time-consuming if you don’t specialize in air quality consulting. ALL4’s experienced air quality consultants can help a facility develop a site-specific permitting and compliance strategy, prepare a permit application and air dispersion modeling analysis, develop required plans, document ongoing compliance requirements, monitor compliance status, and submit required reports.  Our consultants have also worked with facilities to streamline compliance activities, permit alternate compliance approaches, add flexibility to air permits, reduce air regulatory burden, effect changes to regulations, and provide onsite compliance support.

ALL4 Air Quality Services

ALL4 provides the following air quality services:

Air Regulatory Strategy and Advocacy

  • Support to industry associations evaluating air regulatory proposals
  • Developing strategies for compliance with new requirements
  • Evaluating whether facilities are located in Environmental Justice communities and preparing communication and permitting strategies for upcoming projects
  • Climate and sustainability related services, such as carbon footprinting, energy strategy, and resiliency evaluations.
  • Negotiating site-specific air quality requirements

Air Quality Permitting

  • Permit strategy
  • Construction and operating permit applications
  • Emissions inventories and emissions factor development
  • Control technology evaluations
  • Innovative and flexible approaches
  • Emissions offsets and trading
  • Plantwide Applicability Limits
  • Planning for stakeholder involvement

Air Quality Compliance

  • Regulatory compliance plans and programs
  • Onsite support
  • Compliance Evaluations
  • Source Testing Program support
  • Reporting support
  • Training

Air Quality Modeling

  • Various air dispersion models
  • Criteria pollutant and air toxics impact evaluations
  • Risk assessments
  • Risk management planning

Ambient Pollutant and Meteorological Monitoring

  • Emissions and meteorological data collection and processing
  • Data quality assessments
  • Evaluation of small sensor data

Continuous Monitoring Systems Implementation and Compliance

  • Procurement and integration of new monitoring systems
  • Data acquisition and handling system implementation and optimization
  • Alternative monitoring requests
  • Data evaluation, management, and reporting
  • Training

Why Use ALL4?

ALL4’s air quality consultants are second to none.  Our team includes engineers and scientists that have expertise across a variety of industries and states and are dedicated to providing excellent service to assist our clients with meeting their air quality regulatory obligations.  Our clients use us for ongoing air quality support as their sole consultant, on individual permitting and compliance projects, for strategic consulting and planning, and/or for innovative projects.

We actively participate in local and national associations in which our clients are members so that we understand their perspectives and can provide meaningful contributions to regulatory and policy advocacy efforts.  We regularly and freely share air quality regulatory and technical information on our website and via webinars and other presentation formats.  Our clients are our priority and we take ownership when supporting them to achieve their goals.  ALL4 can help you take your project from design to compliance.

Contact an expert

Related Posts:

U.S. EPA has Finalized NOx Limits to Curb Ozone Transport from non-EGUs in 20 States

Posted: March 2023

On March 15, 2023, the U.S. Environmental Protection Agency (EPA) signed a final rule titled Federal “Good Neighbor Plan” for the 2015 Ozone National Ambient Air Quality Standards” (NAAQS). This final rule contains first-time requirements to limit emissions of nitrogen […]

Read article
Pennsylvania RACT III Rule – CEMS Compliance Considerations

Posted: March 2023

The “RACT III” rule [25 Pennsylvania Code §§129.111-129.115, Additional Reasonably Available Control Technology (RACT) Requirements for Major Sources of nitrogen oxides (NOX) and volatile organic compounds (VOCs) for the 2015 Ozone National Ambient Air Quality Standards (NAAQS)] was approved and […]

Read article
Considerations for Emissions Inventory Reporting in Louisiana

Posted: March 2023

Facilities emitting criteria pollutants and toxic air pollutants (TAP) in Louisiana may be required by the Louisiana Department of Environmental Quality (LDEQ) to submit an annual emissions inventory (EI) using the Department’s web-based Emissions Reporting and Inventory Center (ERIC). The […]

Read article
Air Permitting Considerations in Kentucky

Posted: March 2023

After a record-setting year of economic growth in 2021 according to the Kentucky Cabinet for Economic Development (KCED), the Bluegrass State continues to experience an industrial boom. KCED indicated the bourbon, automotive, chemical, and primary metals industries are just a […]

Read article
EPA Releases Compliance Advisory for Federal Facilities Subject to CAA Chemical Accident Prevention Regulations

Posted: March 2023

Introduction The 1990 Clean Air Act (CAA) Amendments include Section 112(r), the chemical accident prevention rule, to “provide for the prevention and mitigation of accidental chemical releases”1.  The rule requires owners and operators of stationary sources that produce, process, handle, […]

Read article
Recent Revisions to the Miscellaneous Coating Manufacturing NESHAP

Posted: March 2023

On February 22, 2023, the United States Environmental Protection Agency (U.S. EPA) published a final rule that added metal hazardous air pollutant (HAP) emissions standards to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Miscellaneous Coating Manufacturing (MCM), […]

Read article
A Quick Guide for Completing your Illinois Annual Emissions Report (AER)

Posted: February 2023

As environmental reporting season is now upon us, it is time to complete and submit your Annual Emissions Report (AER), which is due to the Illinois Environmental Protection Agency (Illinois EPA) by May 1st.  Here is a quick guide to […]

Read article
10 Steps to Preparing a Successful Air Construction Permit Application for New Equipment

Posted: February 2023

Are you planning on building a new greenfield facility that will have air emissions units or expanding your current facility with additional air emissions units?  If so, there is a good chance that you will need to obtain an air […]

Read article
LMAPCD is Proposing to Change Several Air Regulations

Posted: February 2023

Update (3/1/2023): The Public Comment Period has been extended to March 15, 2023. Louisville Metro Air Pollution Control District (District) is proposing amendments to the following District regulations: 02 – Definitions,  11 – Control of Open Burning,  13 – Control […]

Read article
Incorporation of Monte Carlo Statistical Simulation Techniques in an Air Dispersion Modeling Analysis

Posted: February 2023

This article appears in the February 2023 issue of EM Magazine, a copyrighted publication of the Air & Waste Management Association (A&WMA; www.awma.org).       Read on A&WMA

Read article

    4 THE RECORD EMAIL SUBSCRIPTIONS

    Sign up to receive 4 THE RECORD articles here. You'll get timely articles on current environmental, health, and safety regulatory topics as well as updates on webinars and training events.
    First Name: *
    Last Name: *
    Location: *
    Email: *