What does HALS stand for?

Harwell Automated Loans System (SAUS)

Hawaii Association of Land Surveyors (SAUO)

Hindered Amine Light Stabilizer (SAUS)

Hindered Amine Light Stabilizers - for plastics

Houston Area Library System - Library network

Hydrographic Airborne Laser Sounder (SAUS)

Halsted's New Jersey Law Reports - 6-12 New Jersey - A publication (DLA)