What Does PPM Stand For?

PPM has more than one possible meaning :

• PPM - EPacific Plate Motion Experiment
• PPM - Pair Population Method
• PPM - Part Per Million
• PPM - Part Per Minute
• PPM - Parts Per Million
• PPM - Path Probability Method
• PPM - Planned Preventive Maintenance
• PPM - Positions And Proper Motions Catalog
• PPM - Pulse Per Minute
• PPM - Pulse Position Modulation

If you know of another acronym for PPM, please suggest it as a new acronym for PPM.