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GLOSSARY OF WATER AND WASTEWATER TERMS

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Symbols and Numbers
All information in this glossary is copyrighted by the CSUS Foundation, Office of Water Programs.
Package Treatment Plant Packer Packer Assembly Packing Ring Palatable Parachute Parallel Operation Parasitic Parasitic Bacteria Parshall Flume Particle Count Particle Counter Particle Counting Particulate Parts Per Million Pascal Pass-through Passivating Pathogenic Pathogenic Organisms Pathogens PCBS Pci Per L Pcu Peak Demand Peaking Factor PEL Penta Hose Percent Saturation Percolating Percolating Water Percolation Periphyton Peristaltic Peristaltic Pump Permeability Permeate Permissible Exposure Limit Permit-required Confined Space Pesticide Pet Cock Ph Ph Test Paper Phenolic Phenolic Compounds Phenolphthalein Photographic Inspections Photographic Records Photosynthesis Physical Waste Treatment Process Phytoplankton Pickle Pico- Picocurie Piezometer Pig Pillows Pilot-scale Study Pinpoint Floc Pipe Bedding Pipe Bucket Pipe Capacity Pipe Cleaning Pipe Deflection Pipe Diameter Pipe Dip Pipe Displacement Pipe Gauge Pipe Grade Pipe Jack Pipe Joint Pipe Joint Seal Pipe Liner Pipe Plug Pipe Rodding Pipe Run Pipe Schedule Pipe Seal Pipe Sealing Pipe Section Pipe Sink Pitless Adapter Pitot Pitot Tube Plan Or Plan View Plankton Planning Plant Plant Hydraulic Capacity Plug Plug Flow PMCL Pneumatic Ejector Point-of-use --- Point-of-entry Point-of-use Point-of-entry Point Source Polarization Pole Shader Pollutant Pollution Polyanionic Polychlorinated Biphenyls (pcbs) Polyelectrolyte Polymer Polysaccharide Ponding Pont-a-mousson Pont-a-mousson Pressure Cell Population Equivalent Porcupine Pore Porosity Positive Bacteriological Sample Positive Displacement Pump Positive Pressure Postchlorination Potable Potable Water Potting Compounds POTW POU POE Power Factor Power Rodder Pozzolanic Pozzolanic Process PPM Pre-aeration Pre-cleaning Prechlorination Precious Metal Precipitate Precipitation Precision Precoat Precursor, Thm Predictive Maintenance Preliminary Treatment Prescriptive Prescriptive Rights Present Worth Pressure Control Pressure Grouting Pressure Head Pressure Main Prestressed Pretreatment Facility Pretreatment Inspector Preventive Maintenance Preventive Maintenance Units Primary Clarifier Primary Element Primary Treatment Prime Priority Pollutants Probe Process Variable Product Water Profile Programmable Logic Controller Proportional Weir Proteinaceous Protoplasm Protozoa Protruding Service Protruding Tap Prussian Blue PSIG Psychrophilic Psychrophilic Bacteria Pug Mill Pump Pump Bowl Pump Pit Pump Station Pumping Water Level Purge Purveyor , Water Putrefaction Putrescible Pyrometer