Compendium of acronyms october 25, 2017 index

O

O - Oyster Waters

O₂ - Oxygen
O₃ - Ozone
OA - Occupational Asthma
OA - Office Automation
OA - Office of Administration
OA - Office of Audits
OA - Office of the Administrator
OA - Operational Awareness
OA - Opportunity Assessment
OA - Oxanilic Acid
o/a - On or About
O&A - On or About
OADEMQA - Office of Acid Deposition, Environmental Monitoring, and Quality Assurance
OAE - Office of Analysis and Evaluation
OAG - Office of the Attorney General
OAH - Office of Administrative Hearings
OAL - Office of Administrative Law
OALJ - Office of Administrative Law Judges
OAM - Office of Acquisition Management
OAP - Office of Atmospheric Programs
OAP - Operating and Assurance Plan
OAQ - Office of Air Quality
OAQPS - Office of Air Quality Planning and Standards
OAQPSTTN - Office of Air Quality Planning and Standards Technology Transfer Network
OAR - Office of Air and Radiation
OAR - Office of Administrative Rules
OARM - Office of Administration Resources Management
OAS - office of Administrative Services
OAS - Organization of American States
OASA - Office of the Assistant Secretary of the Army
OASACW - Office of the Assistant Secretary of the Army (Civil Works)
OASDI - Old Age Survivors and Disability Insurance
OASIS - OERR Info System -
OATS - Online Allowance Transfer System
OAU - Organization of African Unity
OBD -`Onboard Diagnostic
OBE - Overcome by Events
OBERS - Office of Business Economics/Economic Research Service
OBES - Office of Basic Energy Sciences
OB/OD - Open Burning/Open Detonation
OBS - Organizational Breakdown Structure
OC - Object Class
OC - Office of the Comptroller
OC - Open Cup
OCA - Office of Contract Assurance
OCA - Off-Site Consequence Analysis
OCAP - Operating Criteria and Procedures
OCAPO - Office of Compliance Analysis and Program Operations
OCB - Operations Control Building
OCD - Occupational Cervicobrachial Disorder
OCD - Offshore and Coastal Dispersion Model
OCE - Office of the Chief of Engineers
OCE - Office of Compliance and Enforcement
OCE - Office of Criminal Enforcement
OCEM - Office of Cooperative Environmental Management
OCEPA - Office of Communication, Education, and Public Affairs
OCESL - Office of Criminal Enforcement and Special Litigation
OCHA - UN Office for the Coordination of Humanitarian Affairs
OCHP - Office of Children’s Health Protection
OCI - Office of Criminal Investigation
OCI - Organizational Conflicts of Interest
OCIL - Office of Community and Intergovernmental Liaison
OCIR - Office of Community and Intergovernmental Relations
OCIS - On-Line chemical Information System
OCIS - OSHA Computerized Information System
OCL - Office of Congressional Liaison
OCLA - Office of Congressional and Legislative Affairs
OCM - Office of Compliance Monitoring
OCMV - Open Container in Motor Vehicle
OCO - Operability Concern Only
OCONUS - Outside the Contiguous/Continental United States
OCP - Organochlorine Pesticides
OCPDF - Organic Chemical Producers Database
OCPSF - Organic Chemical, Plastics and Synthetic Fibers (Manufacturing Point Source Category)
OCR - Office of Civil Rights
OCR - Office of Community Relations
OCR - Optical Character Reader
OCR - Optical Character Recognition
OCS - Octachlorostyrene
OCS - Outer Continental Shelf
OCSLA - Outer Continental Shelf Lands Act
OCU - Ocular
OD - Office of Director
OD - Operational Derivative
OD - Operations Division
OD - Optical Disk
OD - Organizational Development
OD - Outside Diameter
ODA - Office of Deputy Administrator
ODA - Oversees Development Assistance
ODASA - Office of Deputy Assistant Secretary of the Army
ODATS - Office Director Assignment Tracking System
ODB - Outdoor Burning
ODC - Other Direct Costs
ODC - Ozone-Depleting Chemical
ODEQ - Oklahoma Department of Environmental Quality
ODEQ - Oregon Department of Environmental Quality
ODES - Ocean Data Evaluation System
ODI - Open Dump Inventory
ODM - Oxydemeton-Methyl
ODMDS - Ocean Dredged Material Disposal Site
ODN - Obligation Document Number
OPDP - Office of Domestic Preparedness
ODP - Open Dripproof
ODP - Ozone Depletion Potential
ODS - Ozone Depleting Substance
ODTS - Organic Dust Toxic Syndrome
ODW - Office of Drinking Water
OE - Office of Enforcement
OE - Operational Error
OE - Ordnance and Explosives
OE - Organizational Element
OEA - Office of External Affairs
OEBGD - Overseas Environmental Base Guidance Document
OECA - Office of Enforcement and Compliance Assurance
OECD - Organization for Economic Cooperation and Development
OECD SIDs - Screening Information Data Set (within OECD)
OECM - Office of Enforcement and Compliance Monitoring
OE-CX - Ordnance and Explosives Center of Expertise
OEET - Office of Environmental Engineering and Technology
OEHHA - Office of Environmental Health Hazard Assessment
OEL - Occupational Exposure Limit
OEM - Original Equipment Manufacturer
OEOB - Old Executive Office Building
OEP - Office of Enforcement Policy
OEP - Office of Environmental Policy
OEP - Office of External Programs
OEPA - Ohio Environmental Protection Agency
OEPAA - Office of Environmental Policy, Analysis & Assessment
OEPER - Office of Environmental Processes and Effects Research
OEPP - Thailand Office of Environmental Policy and Planning
OER - Office of Exploratory Research
OERR - Office of Emergency and Remedial Response
OES - Office of Emergency Services
OES - Office of Executive Support
OF - Optional Form
OFA - Office of Federal Activities
OFA - Overfire Air
OFDA - Office of U.S. Foreign Disaster Assistance
OFM - Organic Feed Material
OFPPA - Office of Federal Procurement Policy Act
OFSPS - Office of Federal Statistical Policy and Standards
O&G - Oil and Gas
O&G - Oil and Grease
OGC - Office of General Counsel
OGE - Office of Government Ethics
OGMS - Open Gradient Magnetic Separator
OGP - Office of Global Programs
OGR - Office of Government Relations
OGWDW - Office of Groundwater and Drinking Water
OGWDW-DWSD - Office of Groundwater and Drinking Water, Drinking Water Standards Division
OGWDW-EPID - Office of Groundwater and Drinking Water, Enforcement and Program Interpretation Division
OGWDW-GWPD - Office of Groundwater and Drinking Water, Groundwater Protection Division
OGWDW-TSC-OH - Office of Groundwater and Drinking Water, Technical Support Center
OGWP - Office of Groundwater Protection
OHEA - Office of Health and Environmental Assessment
OHEA - Office of Health Effects Assessment
OHMC - Oil and Hazardous Material Coordinator
OHMP - Occupational Health Maintenance Program
OHMTADS - Oil and Hazardous Material Technical Assistance Data System
OHR - Office of Health Research
OHRM - Office of Human Resources Management
OHS - Occupational Health & Safety
OHS - Oil and Hazardous Substance
OH&S - Occupational Health & Safety
OHSMSDS - Occupational Health Services Material Safety Data Sheets
OHSS - Occupational Health and Safety Staff
OHV - Off-Highway Vehicle
OI - Office of Investigations
OIA - Office of the Secretary for Information Analysis
OIA - Office of Intelligence and Analysis
OIA - Office of International Activities
OICC - Officer in Charge of Construction
OIG - Office of Inspector General
OIL - Office of Intergovernmental Liaison
OILHM - Oil and Hazardous Material Information System
OIRA - Office of Information and Regulatory Affairs
OIRM - Office of Information Resources Management
OIRW - Outstanding International Resource Water
OIS - Office of Information Services
OIS - One EHSA Incident System
OIT - Office of Information Technology
OJT - On the Job Training
OLA - Office of Legislative Analysis
OLA - Office of Local Assistance
OLDS - On-Lot Disposal System
OLEC - Office of Legal and Enforcement Counsel
OLN - Driver’s License Number
OLN - Operator’s License Number
OLS - Office of Legal Services
OLS - Online Library System
OLTS - Online Tracking System
OM - Operating Manual
O&M - Operation and Maintenance
OMARD - Open Motorized Access Route Density
OMB - Office of Management and Budget
OMBIL - Operations and Maintenance Business Information Link
OMC - Optimum Moisture Content
OMDMP - Official Mail and Distribution Management program
OMEP - Office of Marine and Estuarine Protection
OMMSQA - Office of Modeling, Monitoring Systems and Quality Assurance
OMP - Operation, Monitoring & Performance
OMPC - Office of Municipal Pollution Control
OMPE - Office of Management Planning and Evaluation
OM&R - Operation, Maintenance and Repair
OMRRR - Operation, Maintenance, Repair, Rehabilitation and Replacement
OMS - Office of Mobile Sources
OMSE - Office of Management Systems and Evaluation
OMTA - Office of Management and Technical Assessment
OMZ - Oxygen Minimum Zone
OO - Operations Office
ONRW - Outstanding Natural Resource Waters
ONWI - Office of Nuclear Waste Isolation
OP - Office of Policy Analysis
OP - Office of Public Affairs
OP - Operating Plan
OP - Option Period
OP - Organophosphate Pesticides
OPA - Office of Policy Analysis
OPA - Office of Public Affairs
OPA - Office of Public Assistance
OPA - Oil Pollution Act (of 1990)
OPAC - Overall Performance Appraisal Certification
OP-ACPS - Operating Permit – Application Plan and Compliance Schedule
OPAR - Office of Policy Analysis and Review
OP-CR01 - Operating Permit – Certification by Responsible Official
OP-CR02 - TNRCC Operating Permit Form
OPCW - Organization for the Prevention of Chemical Warfare
OPD - Office of Program Development
OP-DEL - TNRCC Operating Permit Form
OPF - Official Personnel Folder
OPFT - Other than Permanent Full Time
OPFTE - Other than Permanent Full Time Equivalent
OPIC - Office of Public Interest Counsel
OPIDN - Organophosphate Induced Delayed Neurotoxicity
OPIM - Other Potentially Infectious Materials
OPL - Operating Parameter Limit
OPM - Office of Program Management
OPME - Office of Program Management and Evaluation
OPMO - Office of Program Management Operations
OPMS - Office of Program Management and Support
OPMT - Office of Program Management and Technology
OPP - Office of Pesticide Programs
OPP - Office of Pollution Prevention
OPP - Operating Permits Program
OPPAS - Office of Pesticide Programs Administrative Support Systems
OPP-BEAD - Office of Pollution Prevention, Biological and Economics Division
OPP-BPPD - Office of Pollution Prevention, Biopesticides and Pollution Prevention Division
OPP-EFED - Office of Pollution Prevention, Environmental Fate and Effects Division
OPP-FOD - Office of Pollution Prevention, Field Operations Division
OPP-HED - Office of Pollution Prevention, Health Effects Division
OPP-PMSD - Office of Pollution Prevention, Program Management Support Division
OPP-PSPS - Office of Pollution Prevention, Policy and Special Projects Staff
OPP-RD - Office of Pollution Prevention, Registration Division
OPP-SRRD - Office of Pollution Prevention, Special Review and Registration Division
OPPE - Office of Policy, Planning and Evaluation
OPPE-CCD - Office of Policy, Planning and Evaluation, Climate Change Division
OPPE-PMB - Office of Policy, Planning and Evaluation, Planning and Management Branch
OPPE-RCP - Office of Policy, Planning and Evaluation, Risk Communication Project
OPPE-RSPD - Office of Policy, Planning and Evaluation, Regional and State Planning Division
OPPE-UEPD - Office of Policy, Planning and Evaluation, Urban and Economic Development Division
OPPI - Office of Policy, Planning and Information
OPPM - Office of Policy and Program Management
OPPR - Office of Pollution Prevention and Recycling
OPPT - Office of Pollution Prevention and Toxics
OPPT-CCD - Office of Pollution Prevention and Toxics, Chemical and Control Division
OPPT-CMD - Office of Pollution Prevention and Toxics, Chemical Management Division
OPPT-CSRAD - Office of Pollution Prevention and Toxics, Chemical Screening and Risk Assessment Division
OPPT-EAD - Office of Pollution Prevention and Toxics, Environmental Assistance Division
OPPT-EETD - Office of Pollution Prevention and Toxics, Economics Exposure and Technology Division
OPPT-HERD - Office of Pollution Prevention and Toxics, Health and Environmental Review Division
OPPT-IMD - Office of Pollution Prevention and Toxics, Information Management Division
OPPT-OPME - Office of Pollution Prevention and Toxics, Office of Program Management and Evaluation
OPPT-PPD - Office of Pollution Prevention and Toxics, Pollution Prevention Division
OPPTS - Office of Prevention, Pesticides and Toxic Substances (includes OPP and OPPT; EPA)
OPRD - Office of Policy and Regulatory Development
OPS - Office of Operations Coordination
OPS - Organic Chemicals/Plastics and Synthetics (Industrial Category)
OPS - Operating Properly and successfully
OPTS - Office of Pesticides and Toxic Substances
OPTSRTS - Office of Pesticides and Toxic Substances Regulation Tracking System
OR - Odds Ratio
ORALTOX - Acute Oral Toxicity for Birds, Mice Rats
ORC - Office of Regional Counsel
ORCA - Online Representations and Certifications
ORCAS - Ocean Response Coastal Analysis System
ORD - Office of Research and Development
ORDIS - Office of Research and Development Information Systems
ORISE - Oak Ridge Institute for Science and Education
orl - Oral
ORM - Other Regulated Material
ORMS - Office Resources Management System
ORNIM - Ohio River Navigation Investment Model, Phase I
ORNL - Oak Ridge National Laboratory
ORO - Office of Regional Operations
OR-OSHA - Oregon Occupational Safety and Health Administration
ORP - Office of Radiation Programs
ORP - Oxidation-Reduction Potential
ORPIA - Office of Radiation Programs and Indoor Air
ORPM - Office of Research Program Management
ORPS - Occurrence Reporting and Processing System
ORR - Office of Response and Restoration
ORR - Operational Readiness Review
ORS - Office of Regulatory Support
ORSANCO - Ohio River Valley Water Sanitation Commission
ORSSA - Office of Regulatory Support and Scientific Analysis
ORV - Off-Road Vehicle
ORVR - Onboard Refueling Vapor Recovery
OSA - Office of the Secretary of the Army
OSA - Office of the State Architect
OSC - On-Scene Coordinator
OSC - Operations Section Chief
OSC - Options Selection Committee
OSCSP - Organized Sewage Collection System Plan
OSD - Office of the Secretary of Defense
OSDBU - Office of Small and Disadvantaged Business Utilization
OSDH - Oklahoma State Department of Health
OSE - Other Social Effects
OSFR - Office of State and Federal Relations
OSGR - Occupational Safety & General Regulations
OSH - Occupational Safety & Health
OS&H - Occupational Safety & Health
OSHA - Occupational Safety and Health Act (1970)
OSHA - Occupational Safety and Health Administration
OSHC - Occupational Safety and Health Cases
OSHRC - Occupational Safety and Health Review Commission
OSL - Owners Spill Liability Insurance
OSLGC - Office of State and Local Government Coordination
OSM - Office of Surface Mining Reclamation and Enforcement
OSMRE - Office of Surface Mining Reclamation and Enforcement
OSP - Office of Strategic Planning
OSPAR - Convention for the Protection of the Marine Environment of the North-East Atlantic
OSPR - Oil Spill Prevention and Response
OSPRA - Oil Spill Prevention and Response Act (1991)
OSR - Office of Standards and Regulations
OSRA - Office of Sponsored Research Activities
OSRE - Office of Site Remediation Enforcement
OSRO - Oil Spill Removal Organization
OSRTI - Office of Superfund Remediation and Technology Innovation
OSSF - Onsite Sewage Facilities
OST - Office of Science and Technology
OST-EAD - Office of Science Technology, Engineering and Analysis Division
OST-HECD - Office of Science Technology, Health and Ecological Criteria Division
OSTI - Office of Scientific and Technical Information
OST-SASD - Office of Science Technology, Standards and Applied Science Division
OSTP - Office of Science and Technology Policy
OS/VS - Operating System/Virtual Storage
OSW - Office of Solid Waste
OSWDO - Onsite Waste Disposal Order
OSWER - Office of Solid Waste and Emergency Response
OSWRO - Offsite Waste and Recovery Operations
OT - Overtime
OTA - Office of Technology Assessment
OTAG - Ozone Transport Assessment Group
OTC - Over-the-Counter
OTC - Ozone Transport Commission
OTD - Office of Technology Development
OTP - Office of Territorial Programs
OTR - Oncogenic Transformation
OTR - Ozone Transport Region
OTS - Office of Toxic Substances (now OPPT)
OTSMTS - Office of Toxic Substances Milestone Tracking System
OTVC - Open Top Vapor Cleaner
OU - Operable Unit
OUO - Official Use Only
OUST - Office of Underground Storage Tanks
OVA - Organic Vapor Analyzer
OV/AG - Organic Vapor/Acid Gas

OVES - Opacity and Visual Emission Standards

OVEST - Value Engineering Study Steam
OVM - Organic Vapor Monitor
OVR - Overflight Contracts
OW - Office of Water
OW-AIEO - Office of Water-American Indian Environmental Office
OWCP - Office of Workers Compensation Programs
OWEC - Office of Wastewater Enforcement and Compliance
OWEP - Oily Waste Extraction Program
OWG - Operations Working Group
OWGL - Open Waters of the Great Lakes
OWM - Office of Waste Management
OWM - Office of Waste Minimization
OWM - Office of Wastewater Management
OWM-ED - Office of Wastewater Management, Enforcement Division
OWM-MSD - Office of Wastewater Management, Municipal Support Division
OWM-PD - Office of Wastewater Management, Permits Division
OWOW - Office of Wetlands, Oceans and Watersheds

OWOW-AWPD - Office of Wetlands, Oceans and Watersheds, Assessment and Watershed Protection Division

OWOW-OCPD - Office of Wetlands, Oceans and Watersheds, Oceans and Coastal Protection Division
OWOW-WD - Office of Wetlands, Oceans and Watersheds, Wetlands Division
OWP - Office of Wetlands Protection
OWPD - Office of Waste Programs Enforcement
OWPE - Office of Waste Programs Enforcement
OWPO - Office of Water Program Operations
OWRM - Office of Water Resource Management
OWRS - Office of Water Regulations and Standards
OWS - Oil/Water Separator
OWTRC - Onsite Wastewater Treatment Research Council
O_x - Total Oxidants
OX - Oxidation
OY - Operating Year
OYG - Operating Year Guidance
OZIPP - Kinetics Model and Ozone Isopleth Plotting Package
OZIPPM - Modified Ozone Isopleth Plotting Package