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About NCET - Indoor Air Quality Consulting, Mold, Asbestos, Lead, Argon, and VOC testing for Sacramento, San Francisco, Lake Tahoe, El Dorado Hills, and Placerville

NCET Staff

NCET Primary Christopher Sweat

NCET Founder

Christopher Sweat


  • Certified Indoor Environmentalist (ACAC)
  • Certified Site Surveillance Technician (State of CA)
  • Environmental Protection Agency (AHERA)
  • AHERA–Accredited Asbestos Abatement Contractor/Supervisor
  • AHERA–Accredited Asbestos Building Inspector
  • AHERA–Accredited Asbestos Management Planner
  • AHERA–Accredited Asbestos Project Designer


  • National Defense Service Medal (US NAVY)
  • Letter of Commendation (US NAVY)
  • Engineer of the Year (NAPE)
Veteran of military service
Gary Bayne

Gary Bayne


  • Certified Construction Health and Safety Technician (CCHEST)
  • Certified Asbestos Consultant (Cal/OSHA)
  • Associate Safety Professional (BCSP)
  • Certified Lead Related Construction (Cal/DHS)
  • Inspector/Assessor Certificate, Monitor Certificate, Supervisor Certificate, Project Designer
  • Certificate of Hazardous Materials Management
  • University of California Berkeley