The abbreviations on this page were originally defined on the United States Environmental Protection Agency website.

PEdit

P2: Pollution Prevention

PAG: Pesticide Assignment Guidelines

PAH: Polynuclear Aromatic Hydrocarbons

PAl: Performance Audit Inspection (CWA); Pure Active Ingredient compound

PAM: Pesticide Analytical Manual

PAMS: Photochemical Assessment Monitoring Stations

PAT: Permit Assistance Team (RCRA)

PATS: Pesticide Action Tracking System; Pesticides Analytical Transport Solution

Pb: Lead

PBA: Preliminary Benefit Analysis (BEAD)

PCA: Principle Component Analysis

PCB: Polychlorinated Biphenyl

PCE: Perchloroethylene

PCM: Phase Contrast Microscopy

PCN: Policy Criteria Notice

PCO: Pest Control Operator

PCSD: President's Council on Sustainable Development

PDCI: Product Data Call-In

PFC: Perfluorated Carbon

PFCRA: Program Fraud Civil Remedies Act

PHC: Principal Hazardous Constituent

PHI: Pre-Harvest Interval

PHSA: Public Health Service Act

PI: Preliminary Injunction. Program Information

PIC: Products of Incomplete Combustion

PIGS: Pesticides in Groundwater Strategy

PIMS: Pesticide Incident Monitoring System

PIN: Pesticide Information Network

PIN: Procurement Information Notice

PIP: Public Involvement Program

PIPQUIC: Program Integration Project Queries Used in Interactive Command

PIRG: Public Interest Research Group

PIRT: Pretreatment Implementation Review Task Force

PIT: Permit Improvement Team

PITS: Project Information Tracking System

PLIRRA: Pollution Liability Insurance and Risk Retention Act

PLM: Polarized Light Microscopy

PLUVUE: Plume Visibility Model

PM: Particulate Matter

PMAS: Photochemical Assessment Monitoring Stations

PM2.5: Particulate Matter Smaller than 2.5 Micrometers in Diameter

PM10: Particulate Matter (nominally 10m and less)

PM15: Particulate Matter (nominally 15m and less)

PMEL: Pacific Marine Environmental Laboratory

PMN: Premanufacture Notification

PMNF: Premanufacture Notification Form

PMR: Pollutant Mass Rate

PMR: Proportionate Mortality Ratio

PMRS: Performance Management and Recognition System

PMS: Program Management System

PNA: Polynuclear Aromatic Hydrocarbons

PO: Project Officer

POC: Point Of Compliance

POE: Point Of Exposure

POGO: Privately-Owned/ Government-Operated

POHC: Principal Organic Hazardous Constituent

POI: Point Of Interception

POLREP:Pollution Report

POM: Particulate Organic Matter. Polycyclic Organic Matter

POP: Persistent Organic Pollutant

POR: Program of Requirements

POTW: Publicly Owned Treatment Works

POV: Privately Owned Vehicle

PP: Program Planning

PPA: Planned Program Accomplishment

PPB: Parts Per Billion

PPE: Personal Protective Equipment

PPG: Performance Partnership Grant

PPIC: Pesticide Programs Information Center

PPIS: Pesticide Product Information System; Pollution Prevention Incentives for States

PPMAP: Power Planning Modeling Application Procedure

PPM/PPB: Parts per million/ parts per billion

PPSP: Power Plant Siting Program

PPT: Parts Per Trillion

PPTH: Parts Per Thousand

PQUA: Preliminary Quantitative Usage Analysis

PR: Pesticide Regulation Notice; Preliminary Review

PRA: Paperwork Reduction Act; Planned Regulatory Action

PRATS: Pesticides Regulatory Action Tracking System

PRC: Planning Research Corporation

PRI: Periodic Reinvestigation

PRM: Prevention Reference Manuals

PRN: Pesticide Registration Notice

PRP: Potentially Responsible Party

PRZM: Pesticide Root Zone Model

PS: Point Source

PSAM: Point Source Ambient Monitoring

PSC: Program Site Coordinator

PSD: Prevention of Significant Deterioration

PSES: Pretreatment Standards for Existing Sources

PSI: Pollutant Standards Index; Pounds Per Square Inch; Pressure Per Square Inch

PSIG: Pressure Per Square Inch Gauge

PSM: Point Source Monitoring

PSNS: Pretreatment Standards for New Sources

PSU: Primary Sampling Unit

PTDIS: Single Stack Meteorological Model in EPA UNAMAP Series

PTE: Potential to Emit

PTFE: Polytetrafluoroethylene (Teflon)

PTMAX: Single Stack Meteorological Model in EPA UNAMAP series

PTPLU: Point Source Gaussian Diffusion Model

PUC: Public Utility Commission

PV: Project Verification

PVC: Polyvinyl Chloride

PWB: Printed Wiring Board

PWS: Public Water Supply/ System

PWSS: Public Water Supply System