Table 5.19 -- EDCS Classifications whose label begins with P
| Label | Definition | Related concepts | Code |
| PACK_ICE | A region of sea ice formed by the drifting and crushing together of floating sea ice; movement of individual floes is greatly restricted as the pack moves as a single unit. | 640 | |
| PALACE | A building now serving, or that has previously served, as the official residence of a royal personage or high dignitary in a religious establishment or government. | EC PALACE_COMPLEX | 641 |
| PALACE_COMPLEX | One or more buildings serving, or having served, as the official residence of a royal personage or high dignitary in a religious establishment or government. | EC PALACE | 642 |
| PAPER_MILL | A facility for processing wood, or other natural fibres, into flexible sheets or rolls of paper by deposit from an aqueous suspension, e.g., a paper or pulp mill. | 643 | |
| PARK | A site or region used for recreational or ornamental purposes. | EC AMUSEMENT_PARK, EC BOTANICAL_GARDEN, EC FAIRGROUNDS, EC SWIMMING_POOL | 644 |
| PARKING_GARAGE | A building or indoor space used to park, or keep, motor vehicles. | EC VEHICLE_LOT | 645 |
| PARTICLE_ACCELERATOR | An apparatus for imparting high velocities to charged particles. | 646 | |
| PENSTOCK | A pipeline or channel generally used by hydroelectric plants or water mills to transport water by gravity or under pressure. | EC AQUEDUCT | 647 |
| PERMANENT_SNOWFIELD | A region permanently covered by snow or ice that covers a landmass, such as glaciers and snowfields. | 648 | |
| PETROLEUM_BUILDING | A building involved in the production or distribution of petroleum (e.g., oil or natural gas) production. | 649 | |
| PETROLEUM_FACILITY | A site and associated structures involved in the production or distribution of petroleum (e.g., oil or natural gas) production. | EC PETROLEUM_REFINERY, EC PETROLEUM_TANK_FARM | 650 |
| PETROLEUM_FIELD | A land region where petroleum (e.g., oil or natural gas) is pumped or otherwise removed from the ground. | EC MARITIME_PETROLEUM_FIELD | 651 |
| PETROLEUM_REFINERY | An industrial plant for refining and purifying petroleum, e.g., oil or natural gas. | EC CATALYTIC_CRACKER, EC FLARE_PIPE, EC PETROLEUM_FACILITY | 652 |
| PETROLEUM_TANK_FARM | A site and associated structures devoted to the storage of petroleum (e.g., oil or natural gas) through the use of a collection of, generally aboveground, tanks. | EC PETROLEUM_REFINERY | 653 |
| PICNIC_SITE | A parcel of land that has picnic tables for public use. | 654 | |
| PILE | A long, heavy timber or section of steel or concrete, forced into the ground to serve as a support, as for a pier, e.g., a pile, piling, or post. | EC STAKE, EC SNAG | 655 |
| PINGO | A cone or dome shaped mound or hill of peat or soil, usually with a core of ice, which is found in tundra regions and is produced by the pressure of water or ice accumulating underground and pushing upward. | 656 | |
| PIPELINE | A tube for the conveyance of slurries, liquids or gases. | EC PIPING_COMPLEX | 657 |
| PIPELINE_TERMINUS | The apparent end of an above-surface pipeline, where it enters the ground, often occurring at a pumping or industrial facility or where the pipeline may cross under a road or railroad. | EC PIPELINE | 658 |
| PIPING_COMPLEX | A group of pipes, and associated pumps, used to transfer liquids or gases from one location to another. | EC PIPELINE | 659 |
| PLANT_NURSERY | A site and associated buildings where shrubs, flowers, trees, and other plants are grown for transplanting, seed or grafting. | 660 | |
| PLANTATION | An estate where cash crops are grown on a large scale (especially in tropical regions) | EC ORCHARD | 661 |
| POLAR_ICE | The ice, land-based or sea-based, which is a permanent feature of the geographic poles of a planet. | EC ICE_FIELD | 662 |
| POLICE_STATION | A building which serves as the headquarters of a unit of a police force, where those under arrest are first charged. | EC FIRE_AND_POLICE_STATION, EC MARITIME_POLICE_STATION | 663 |
| POLYNYA | A large expanse of open water that is surrounded by sea ice. | 664 | |
| POND_PARTITION | A structure separating the basins of a fish pound, reservoir or liquid waste pond. | 665 | |
| PONTOON | A broad, flat-bottomed floating structure, rectangular in shape, resembling a barge. | 666 | |
| PORT_FACILITY | A building or section of building that is established to serve a particular purpose for water vehicles. | 667 | |
| POST_OFFICE | A building where mail is received, sorted, and delivered, and where stamps and other postal materials are sold. | 668 | |
| POTENTIAL_LANDSLIDE_REGION | A mass of land with a high potential of slipping down from an elevated location, such as the side of a mountain. | 669 | |
| POWER_GENERATION_BUILDING | A building used for the generation of electric power. | EC POWER_PLANT | 670 |
| POWER_PLANT | A site, buildings and equipment necessary for the generation of electric power. | EC POWER_GENERATION_BUILDING, EC SOLAR_PANEL | 671 |
| POWER_SUBSTATION | A structure or group of structures, along a power line route, in which electric current is transformed and/or distributed, e.g. a power substation or transformer yard. | 672 | |
| POWER_TRNS_LINE | A system of above ground wires including their supports, which transmits electricity over distance. | EC CABLE, EC OVERHEAD_CABLE | 673 |
| POWER_TRNS_LINE_PYLON | A pylon or pole used to support a power transmission line. | EC ELECTRICAL_SGNL_LINE_PYLON | 674 |
| POWER_TRNS_LINE_TERMINUS | The terminus of a power transmission line at an electric power generation, substation/transformer, or receiving facility. | EC POWER_TRNS_LINE | 675 |
| PRECIPITATION_REGION | A region where precipitation is occurring (e.g., rain, snow, and hail), over land or water. | 676 | |
| PRECOLLEGIATE_CAMPUS | A collection of one or more buildings and related structures used for pre-collegiate instruction (generally of children). | EC SCHOOL_BUILDING, EC COLLEGIATE_CAMPUS | 677 |
| PREPARED_DEFENSIVE_POSITION | A site containing one or more prepared defensive positions. | EC DEFENSIVE_POSITION | 678 |
| PREPARED_DEFENSIVE_REGION | A region containing bastions, ramparts, fortifications, defensive positions, infantry trenches, bunkers, or other military structures resistant to ordnance. | EC RAMPART, EC DEFENSIVE_POSITION, EC FORTIFICATION, EC INFANTRY_TRENCH, EC UNDERGROUND_BUNKER | 679 |
| PREPARED_WATERWAY_CROSSING | A location on a waterway (e.g., river or canal) which has a ramp, piling, and/or pier structures constructed on one or both shores to allow for suitable future crossing operations using floating bridge or rafting equipment. | EC ENGINEER_BRIDGE | 680 |
| PRISON | A site and associated structures housing a correctional, detention, or penal facility. | EC JAIL | 681 |
| PROCESSING_BUILDING | A building that is used for the changing or refining of a particular material, e.g., processing or treatment. | 682 | |
| PROCESSING_PLANT | A site and associated structures used for changing or refining a particular material, e.g., processing or treatment. | 683 | |
| PRODUCTION_INSTALLATION | An installation for the exploitation of natural resources. | 684 | |
| PROHIBITED_REGION | A region, usually on a military installation, where entrance or presence of unauthorized personnel is prohibited, typically due to the presence of unexploded ordnance, mines, or sensitive environmental habitats. | EC RESTRICTED_REGION | 685 |
| PUBLIC_INN | A public lodging house serving food and drink to travellers. | EC RESTAURANT | 686 |
| PUBLIC_INN_OR_RESTAURANT | A building or outdoors site where food and drink are served to the public and lodging may be available. May be further delineated specifically as EC PUBLIC_INN or EC RESTAURANT. | 687 | |
| PUBLIC_SQUARE | An open site that serves as a public meeting location in a city or town, e.g., a plaza or public square. | 688 | |
| PUMP_OUT_FACILITY | A place to pump out waste liquids from vehicles. | 689 | |
| PUMPHOUSE | A structure housing pumps, i.e., machines or devices for raising, compressing, or transferring fluids. | EC PUMPING_STATION | 690 |
| PUMPING_STATION | A facility to move solids, liquids or gases by means of pressure or suction. | EC PUMPHOUSE | 691 |