ACRONYMS AND ABBREVIATIONS 1367
PAHO—Pan American Health Organization (WHO)
PAL—Plantwide Applicability Limits
PAN—Peroxyacetyl Nitrate
P and T—Pump and Treat
Paracom—Paris Commission
PARC—Pan African Rinderpest Campaign
PARCCS—Precision, Accuracy, Representativeness,
Comparability, Completeness, Sensitivity
PARIS—Program for Assisting the Replacement of
Industrial Solvents
PATH—Plan for Analyzing and Testing Hypotheses
PBL—Planetary Boundary Layer
PBMR—Pebble-Bed Modular Reactor
PBS—Package Boiler Simulator
PC—Polycarbonate
PC—Pulverized Coal
PCA—Plate Count Agar
PCA—Principal Component Analysis
PCB—Polychlorinated Biphenyl
PCBP—Polychloro Bi Phenylene
PCBz—Polychloro Benzene
PCCY—Polychlorinated Chrysene
PCD—Particle Charge Detector
PCD—Process Control Diagram
PCDD—Polychlorodibenzo-p-Dioxin
PCDET—Post-Completion Discrete Extraction Test (U.S.)
PCDF—Polychlorinated Dibenzofuran
PCDPE—Polychlorinated Diphenyl Ether
PCE—Perchlorethylene
PCE—Tetrachloroethylene
pCi/L—Picocuries per Liter
PCN—Polychlorinated Napthalene
PCP—Pentachlorophenol
PCPA—Post-Closure Performance Assessment (U.S.)
PCPY—Polychlorinated Pyrene
PCQ—Polychlorinated Quaterphenyl
PCQE—Polychlorinated Quaterphenyl Ether
PCR—Polymerase Chain Reaction
PCV—Positive Crankcase Ventilation
PDA—Potato Dextrose Agar
PDE—Partial Differential Equation
PDF—Probability Density Function
PDO—Pacific Decadal Oscillation
PE—Performance Evaluation
PE—Polyethylene
PE—Professional Engineer (U.S.)
PEA—Performance Evaluation Audit
PEACE—Pollution Effects on Asthmatic Children in
Europe
PEC—Process Economic Program
PEELS—Parallel Acquisition Systems
PEFR—Peak Expiratory Flow Rate
PEI—Potential Environmental Impact
PEIs—Professional Engineering Institutions (UK)
PEL—Permissible Exposure Limit
PEM—Proton Exchange Membrane
PEMFC—Proton Exchange Membrane Fuel Cell
PEN—Polyethylene NapthalateP ENG—Professional Engineer (Canada)
PEO—Professional Engineers Ontario
PER—Partial Exfiltration System
PES—Project Environmental Summary
PES—Public Electricity Supplier
PET—Polyethylene Terephthalate
PF—Phenol-Formaldehyde
PF—Pulverized Fuel
P5CB—3,3,4,4,5-Pentachlorinated Biphenyl
PFBC—Pressurized Fluidized Bed Combustion
PFC—Perfluoro (Carbon) Compounds
PFD—Process Flow Diagram
PFR—Plug Flow Reactor
PFRP—Process to Further Reduce Pathogens
PFS—Pulverized Fly Ash
PFT—Peak Flame Temperature
PHA—Process Hazard Analysis
PHA—Pulse Height Analysis
PHARE—CEC Program to Assist Eastern European
Countries
PHB—Polyhydroxy Butyrate
PHC—Petroleum Hydrocarbons
PHS—Public Health Service (U.S.)
PI—Principal Investigator
PIC—Prior Informed Consent Procedure
PIC—Product of Incomplete Combustion
PIEL—Pharmacologically Insignificant Exposure Limit
PIOT—Physical Input-Output Table
PIRG—Public Interest Research Group (U.S.)
PIXIE—Particle Induced X-Ray Emission
PL—Public Law (U.S.)
PLA—Polylactic Acid
PLC—Programmable Logic Controller
PLL—Probable Loss of Life
PLM—Polarized Light Microscopy
PM—Particulate Matter
PM0.1—Ultrafine Particle
PM2.5—Particles Less than 2.5 Micrometers
PM10—Particles Less than 10 Micrometers
PMA—Phenyl Mercuric Acetate
PMMA—Polymethylmethacrylate
PMN—Phenyl Mercuric Nitrate
PMM—Polymorphonuclear Neutrophils
PMN—Polymorphonuclear Neutrophils
PMN—Premanufacture Notice (U.S.)
PMR—Proportionate Mortality Rate
PNC—Japanese Nuclear Power Corporation
PNdB—Perceived Noise Level
PNGV—Partnership for a New Generation of Vehicles
PNL—Pacific Northwest Laboratory (U.S.)
PNNL—Pacific Northwest National Laboratory (U.S.)
PODAAC—Physical Oceanography Distributed Active
Archive
POE—Point of Entry
POHC—Principal Organic Hazardous Constituent
POL—Project Objectives Letter (U.S.)
PolyTHF—Polytetrahydrofuran
POM—Polycyclic Organic MatterC024_001_r03.indd 1367C024_001_r03.indd 1367 11/18/2005 1:36:04 PM11/18/2005 1:36:04 P