C2AIR, INC. Specializing In Air Quality Consulting Services.


  • Title V Permits
  • Regulatory Analysis
  • New Source Review Permits
  • PSD Permits
  • MACT Implementation
  • Compliance Audits
  • Project/Team Management
  • Agency Negotiations


C2AIR Principal Engineer, Cathryn Carrothers, has more than 18 years of experience performing engineering services for consulting, industry and government.

Principal     EngineerCathryn Carrothers
Direct Line or Voice Mail206-352-6552
Mailing Address221 First Avenue West, Suite 400 Seattle, WA, 98119