CSDS
ACAC is the ONLY certifying body in the IAQ field to achieve independent third-party accreditation from the Council of Engineering and Scientific Specialty Boards (CESB). 
Additionally, ACAC was the FIRST indoor air quality certifying body to: 
•	Operate independently of training providers  
•	Operate independently of industry membership associations  
•	Refuse all revenue agreements with product manufacturers or service providers 
•	Award its certifications by unanimous vote of a board of peers 
•	Develop its examinations in compliance with published psychometric standards 
•	Deliver its examinations via independent third-party proctors 
•	Employ secure high stakes computer based testing  
•	See its designations listed as prerequisites for a state license  
•	See its examinations listed as prerequisites for a state license  
•	See its designations specified by the US government  
•	Offer third-party accredited certifications in structural drying, environmental infection control and IAQ management 
•	Refuse to give exam questions or answers to prep course providers.  
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 CSDS