What does ppm stand for?

Pages per Minute

Papermaker - MARC relator code - Library of Congress (LCCP)

Parts Per Million (AD)

Peak Program Meter (AD)

Pounds Per Minute (AD)

Pulse Position Modulation (AD)

Pulses per Minute (IDOE)

Parts per Million

Aberdeen, MD - Location identifier - FAA (FAAL)

Frevious processor mode (SAUS)

Investment Grade Municipal Income Fund - NYSE symbol (SAG)

Investment Grade Muni Inc. - NYSE symbol

Mercantile Library, Philadelphia, PA - Library symbol - Library of Congress - Obsolete (LCLS)

Page Per Minute (SAUS)

Page-per-Minute - Computer science

Pages per Minute - Printer technology

Papuma - Language code (ETLW)

Parallel Performance Monitor (SAUS)

Parallel Processing Machine - Computer science (IAA)

Particuliere Participatiemaatschappy - Private Joint Stock Company - Dutch

Partido del Pueblo Mexicano - Mexican People's Party - Political party (PPW)

Partido Proletario de Mexico - Proletarian Party of Mexico - Political party (AD)

Parti Pekerja-Pekerja Malaysia - Workers' Party of Malaysia - Political party (PPW)

Parti Progressiste Martiniquais - Progressive Party of Martinique - Political party (PPW)

Partitioned-Pipe Mixer - Engineering

Part Per Million (SAUS)

Part Program Manager

Parts per Mille (SAUS)

Parts per Million

Parts per Minute (MCD)

Party of the People of Mauritania - Political party (PSAP)

Pattani People's Movement - Thailand - Political party

Peak Power Meter

Peak Program Meter - Television

Peak Program Meters

Peoples Pharmacy of Mali (SAUS)

Perfect Prognosis Method (SAUS)

Periodic Permanent Magnet

Periodic Permanent Magnet Focusing (IAA)

Periodic Pulsed Magnet (SAUS)

Periodic Pulse Metering - Telecommunications (TEL)

Period Permanent Magnet (SAUS)

Perl Package Manager - A package management utility for Active Perl

Permanent Pacemaker - Cardiology (MAE)

Perodic Permanent Magnet (SAUS)

Pershing Project Manager

Personal People Meter - Arbitron seminar

Personnel Priority Model (MCD)

Personnel Program Manager - Navy

Persutuan Perpustakaan Malaysia - Library Association of the Federation of Malaysia (AD)

Phased Project Management (SAUS)

Phase Pulse Modulation (SAUS)

Phenylpropanolamine(hydrochloride) - Also, PPA, PPH - Decongestant

Phosphopentomutase - An enzyme

Physician Practice Management

Picks per Minute (SAUS)

Picture Processing Machine (SAUS)

Pictures per Minute (NTCM)

Piecewise Parabolic Method - Mathematical model of fluid flow

Pigmented Pupillary Membrane - Medicine (STED)

Pileable Pallet Module (SAUS)

Pilot Performance Measurement (ACAE)

Pilot Production Model - Military (CAAL)

Pilot Pulse Missile

Pistol Prize Money - British military (DMA)

Planned Preventive Maintenance (IEEE)

Platform Pointing Mode (ACAE)

Policy and Procedures Manual (SAUS)

Popocatepetl - Mexico - Seismograph station code, US Geological Survey (SEIS)

Popular Monarchist Party (Portugal) - Political party (PSAP)

Portable Pixelmap - Format (GIS)

Portable Pix Map - Computer science

Position and Pay Management - Army (AABC)

Position and Proper Motion - Catalog of star positions

Positions and Proper Motions (SAUS)

Postage Prepaid in Money

Posterior Papillary Muscle - Image on transesophageal echocardiography - Cardiology (DAVI)

Postpass Message

Postponement - Telegraphy (PCTE)

Post-Program Monitoring

Pounds per Minute

Prairie Print Makers - Defunct (EA)

Prediction by Partial Mapping (RALS)

Prediction by Partial Matching (SAUS)

Prenegotiation Position Memorandum (AAGC)

Pre-Production Meeting - Automotive engineering

Presentation Protocol Machine - Telecommunications (OSI)

Presidential Review Memorandum (SAUS)

Previous Processor Mode

Prime Period of Maintenance (SAUS)

Principal Period of Maintenance (AAGC)

Problem Program Monitor (IAA)

Process and Production Methods (SAUS)

Production Planning Memorandum

Product Portfolio Management (SAUS)

Professional Photographers of Michigan (EARSL)

Program, Project Management - Army

Project Portfolio Management (GART)

Project Profile Manual

Prudential Portfolio Managers Ltd. - British

Pulmonary Pressure Method (SAUS)

Pulse per Minute (SAUS)

Pulse Phase Modulation - Telecommunications (IAA)

Pulse Position Modulation - Radio data transmission

Pulse-Position Modulation (SAUS)

Pulse Power Module

Pulses per Minute

Pyrite-Pyrrhotite-Magnetite - Mineralogy