What does .PPM stand for?

What does .PPM mean?

PPM	Parts Per Million Academic & Science » Electronics
PPM	Parts Per Million Governmental » NASA
PPM	Parts Per Million Academic & Science » Meteorology
PPM	Parts Per Million Academic & Science » Ocean Science
.PPM	image/x-portable-pixmap Internet » MIME Types
PPM	Parts Per Million Miscellaneous » Unit Measures
PPM	Parts Per Million Governmental » FDA
PPM	Pages Per Minute Computing » General
PPM	Project Portfolio Management Governmental » US Government
PPM	Pulse Position Modulation Governmental » Military
PPM	Pulse Position Modulation Academic & Science » Electronics
PPM	Private Placement Memorandum Community » Law
PPM	Portable People Meter Community » Media
PPM	Perl Package Manager Computing » Software
PPM	Portable Pixel Map Computing » File Extensions
PPM	Investment Grade Municipal Income Fund Business » NYSE Symbols
PPM	Points Per Minute Miscellaneous » Unit Measures
PPM	Parts Per Mil Miscellaneous » Unclassified
PPM	Prudential Portfolio Managers Business » Stock Exchange
PPM	Peak Program Meter Community » Media
PPM	Public Performance Measure Miscellaneous » Unclassified
PPM	Peak Programme Meter Miscellaneous » Unclassified
PPM	Particles Per Million Miscellaneous » Unit Measures
PPM	Project Planning Management Business » General
PPM	Participatory Project Management Business » General