The meaning of the Acronym PPB is...

PPB is

• Program Performance Baseline
• Parts per Billion (p/b preferred)

More Meanings For PPB:

• Button bar for Print Preview (WordPerfect for Win)
• PCI- PCI Bridge
• Parts Per Billion
• Patriot Pride Band
• Plasma Protein Binding
• parts per billion
• Planning, Programming, and Budgeting
• Program Performance Baseline
• Parts per Billion (p/b preferred)
• Portland Police Bureau
• Point Pleasant Beach, New Jersey
• Pardon and Parole Board
• Planning, Programming, and Budgeting
• Pardon and Parole Board
• President Prudente Airport, Sao Paolo, Brazil

PPB is also in:

• Airport Codes
• FDA
• File Extensions
• Human Genome
• Law
• Military
• NASA
• Networking
• Police
• State and Local
• Unfiled
• Unit Measures
• US Government