Air quality services include: complex permitting strategies, dispersion modeling analysis, source interaction analysis, complex terrain analysis, and downwash wake-effect analysis to support NSR permitting and regulatory compliance issues.

Our consulting services can be divided into the following categories:

  
 


Air Quality Permitting and Reporting

JCA provides air quality regulatory compliance permitting and reporting services including:

  • Facility standard exemptions from air permitting
  • Facility new source air permitting (ranging from minor State permitting to full PSD permit applications)
  • Air emissions operational flexibility planning (i.e. evaluation of alternative stack heights and unit operating hour scenarios)
  • Title V Operating Permit applications
  • Air permit amendments, renewals, and existing facility modifications
  • Clean Air Act Section 112(r) risk management plans (RMPs)
  • Facility air emission calculations
  • Facility air emission inventory updates
  • Routine air regulatory compliance reporting and recordkeeping
  • Negotiating facility permit conditions with regulators

Air Dispersion Modeling

JCA performs dispersion modeling analyses including:

  • Screening and refined air dispersion modeling (including complex terrain analysis)
  • Regional haze modeling using CALPUFF 
  • Clean Air Act Section 112(r) accidental release scenario air dispersion modeling (to minimize RMP distances to endpoints)
  • Preparation of modeling protocols
  • Preparation of detailed air quality modeling analysis reports
  • Maintenance, Startup and Shutdown Modeling 

Greenhouse Gas Management

JCA provides multiple services relating to greenhouse gas management 

  


Litigation Support

JCA has extensive experience in various areas in legal proceedings. JCA assists clients’ legal counsel with a team of experts that provides a full line of environmental and risk evaluations. Our legal counsel support services include:

  • Expert witness testimony
  • Dispersion modeling studies
  • Regulatory interpretation
  • Counsel training

Professional Training

JCA is experienced conducting training courses for environmental personnel at industrial companies and regulatory agency employees. JCA also offers on-site, custom courses to meet the unique needs of individual companies. JCA’s training topics include:

  • Air quality modeling
  • Air permitting
  • Reporting
  • Regulations