What does HAPS stand for?

Hazardous Air Pollutants

Health Aspects of Pesticides

Helicopter Acoustic Processing System (SAUS)

Helicopter Airfield Performance Simulator (SAUS)

Hepatic Arterial Perfusion Scintigraphy - Cardiology (DAVI)

Historic Aircraft Preservation Society Ltd. - British (BI)

Housing Assistance Payments (SAUS)

Houston Automatic Priority Spooling - Computer science (NRCH)

Houston Automatic Priority System (SAUS)

Human Anatomy and Physiology Society - Association (EA)

Hunter Area Pathology Service (SAUO)

Hydrazine Auxillary Propulsion System (IGSL)

Hydroxyalkylpropyl Sephadex - Analytical biochemistry