California Indoor Air Quality Program

Guidance for Hiring IAQ Consultants:

California Department of Public Health (CDPH)

• List of Consultants & Laboratories Offering IAQ Services in California (April 2007 update)

Firms included on this list are in no way specifically endorsed or certified by the CDPH

Other Organizations

• American Industrial Hygiene Association Consultants (AIHA)
• American IAQ Council (ARAC)
• Institute of Inspection, Cleaning and Restoration Certification (IICRC)

Firms included on these lists are in no way specifically endorsed or certified by the CDPH

California Department of Consumer Affairs Consumer Information

Guidelines For Selecting An Indoor Air Quality Consultant, 
modified from Operation Outreach, American Industrial Hygiene Association

Hiring Professional Assistance to Solve an IAQ Problem, 
modified from Building Air Quality: A Guide for Building Owners and Facility Managers,
NIOSH Publication 91-114. 

Hiring Professional Assistance, 
modified from Indoor Air Quality Tools for Schools: IAQ Coordinator's Guide, 
EPA Publication 402-K-95-001

Last updated: March 4, 2010