People Power Movement (Philippines) Personnel & Property Manager Parent Partition Mapping People’s Progressive Movement Period of Performance and Maintenance Pre-Assembled Power Module (wind turbines) Programme and Project Management (various organizations) Planning and Performance Management (various organizations) Piecewise Parabolic Method

PPM or Parts Per Million is a unit used to describe very small concentrations of a substance in a larger solution. PPM means 1 per every 1,000,000 or 1/1,000,000. What is PPM in Science? .