NAFA :National Air siltation association

ASHRAE :the American society of heating , refrigeration  and Air condition Engineers

Cafs :Certified Air filter  specialist

Hepa / Ulpa/ Sulpa  : Hijh efficiency particulok air filters of increasing particle size efficiency

Dop :Diotylphthalate or Similar challenjeafrosol

Iom : Installation  geer

ANSI : American national standards institute

AFNOR:Association Francaise de Normalisation

BSI: British Standards Institution

CEN: Comite Europeen de Normalisation European Committee for Standardization

CSA: Canadian Standards Association

DIN : Deutsches Institut fur Normung

DOD:  U.S Department of Defense

DOE: U.S. Department Of Energy

IEC: International Electro technical Commission

IEST: Institute of Environmental Sciences and Technology

ISO: International Organization for Standardization

MIL-STD :  Military Standard (USA) (Document source)

SAE: Society of Automotive Engineers

UNI: Ente Nazionale Italiano di Unificazione


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