PPO
Description
Preferred Provider Organization
PPM
Description
Parts per Million
PPE
Description
Personal Protective Equipment
PPB
Description
Parts per Billion
POTW
Description
Publicly Owned Treatment Works
POST
Description
(Commission on) Peace Officer Standards and Training
PMS
Description
Pavement Management System
PL
Description
Public Law
PE
Description
Professional Engineer
PAS
Description
Public Administration Service