RA - Reasonable Alternative
RA - Regional Administrator
RA - Regulatory Alternative
RA - Regulatory Analysis
RA - Relative Accuracy
RA - Remedial Action
RA - Resource Allocation
RA - Risk Analysis
RA - Risk Assessment
RA - Run Average
RAATS - RCRA Administrative Action Tracking System
RAC - Radiation Advisory Committee
RAC - Raw Agricultural Commodity
RAC - Regional Asbestos Coordinator
RAC - Response Action Coordinator
RAC - Risk Assessment Council
RAC - Reference Air Concentration
RACF - Resource Access Control Facility
RACHEL - Reauthorization and Clarification of How Everybody's Liable
RACM - Reasonably Available Control Measures
RACS - Reiter Acoustic Startle
RACT - Reasonably Available Control Technology
RAD - Radiation
RAD - Radiation Adsorbed Dose
RADM - Random Walk Advection and Dispersion Model
RADM - Regional Acid Deposition Model
RADRISK - Radionuclide Dose Rate/Risk
RADX - Cincinnati Radiation Exposure Tracking System
RAF - Risk Assessment Forum
RAGS - Risk Assessment Guidance
RAM - Real-Time Air-Quality Simulation Model (urban air quality model for point and area sources)
RAMP - Rural Abandoned Mine Program
RAMS - Regional Air Monitoring System
RAO - Remedial Action Objectives
RAP - Radon Action Plan
RAP - Registration Assessment Panel
RAP - Remedial Accomplishment Plan
RAP - Response Action Plan
RAPS - Regional Air Pollution Study
RARG - Regulatory Analysis Review Group
RAS - Routine Analytical Services
RAS - Risk Assessment Study
RAT - Relative Accuracy Test
RATA - Relative Accuracy Test Audit
RB - Red Border
RB - Request for Bid
RBAC - Recycling and Reuse Business Assistance Center
RBC - Red Blood Cells
RBC - Red Blood Count
RBC - Risk Based Concentration
RC - Regional Counsel
RC ® - Responsible Care ®
RC - Responsibility Center
RCA - Response Calibration Audit
RCC - Radiation Coordinating Council
RCC - Resource Conservation Committee
RCDO - Regional Case Development Officer
RCGAS - Recovery/Re-use of Compressed Gases
RCO - Regional Compliance Officer
RCO - Regional Contracting Officier
RCP - Research Centers Program
RCP - Regional Contingency Plan
RCRA - Resource Conservation and Recovery Act (1976)
RCRC - Regional Cost Recovery Coordinator
RCRIS - Resource Conservation and Recovery Information System
RCS - Computer Timesharing Resource Control System
RD - Registration Division
RD - Remedial Design
R&D - Research and Development
RD&D - Research, Development and Demonstration
RDF - Refuse-Derived Fuel
RD/RA - Remedial Design/Remedial Action
RDL - Reliable Detection Limit (Level)
RDNA - Recombinant DNA
RDS_HWDMS - National Hazardous Waste Data Management Systems
RDT&E - Research, Development, Testing and Evaluation
RDU - Regional Decision Unit
RDV - Reference Dose Values
RDX - Cyclotrimethylenetrinitramine
RDX - Trinitrotrimethylenetriamine
RE - Reasonable Efforts
RE - Removal Efficiency
RE - Reportable Event
READ - Regulatory and Economics Division
REAG - Reproductive Effects Assessment Group
REAP - Regional Enforcement Activities Plan
REAS - Regional Enforcement and Superfund System
RECALLDB - Recall Data Base
RECEIV-I - I Receiving Water Model
RECLAIM - Regional Clean Air Initiatives Marker
RED - RCRA Enforcement Division
RED - Reregistration Eligibility Decision Document
REDA - Recycling Economic Development Advocate
REE - Rare Earth Elements
REEP - Reasonable Extra Efforts Program
REEP - Review of Environmental Effects of Pollutants
REF - Reference
ReFIT - Reinvention for Innovative Technologies
REG NEG - Negotiating Rulemaking
REI - Restricted Entry Interval
REIT - Research Triangle Park Reiter Maze System
REL - Recommended Exposure Limit
REM - Roentgen Equivalent
REM/FIT - Remedial/Field Investigation Team
REMARC - Resource Entry, Management, Accountability and Reporting for Contracts
REMS - RCRA Enforcement Management System
REP - Reasonable Efforts Program
REPR - Real Estate Planning Report
REPRISK - High Level Radioactive Waste-Repository Risk Model
REPS - Regional Emissions Projection System
RESOLVE - Center for Environmental Conflict Resolution
REXS - Report on Executive Staffing
RF - Radio Frequency
RF - Response Factor
RFA - RCRA Facility Assessment
RFA - Regulatory Flexibility Act
RFA - Remedial Facility Assessment
RFB - Request for Bid
RFC - Inhalation Reference Concentration
RfC - Reference Concentration
RfD - Reference Dose
RFD - Reference Dose Values
RfDdt - Developmental RfD
RFI - Remedial Field Investigation
RFI - RCRA Facility Investigation
RFP - Reasonable Further Progress
RFP - Request for Proposal
RFQ - Request for Quote
RGICS - Region 7 Version of Region 5 Grants Information and Control System
RGS - Research Grants Staff
RHA - Rivers and Harbors Act
RHRS - Revised Hazard Ranking System
RHW - Restricted Hazardous Waste
RI - Reconnaissance Inspection
RI - Remedial Investigation
RIA - Regulatory Impact Analysis
RIA - Regulatory Impact Analysis Facility Profile
RIA - Regulatory Impact Assessment
RIC - Radon Information Center
RIC - RCRA Docket Information Center
RIC - Research Triangle Park Information Center
RICC - Retirement Information and Counseling Center
RICO - Racketeer Influenced and Corrupt Organizations Act
RID - Regulatory Integration Division
RIF - Reduction in Force
RI/FS - Remedial Investigation/Feasibility Study
RILS - Regulatory Interpretation Letters
RIM - Regulatory Interpretation Memorandum
RIMD - Regulation and Information Management Division
RIN - Regulatory Identifier Number
RIP - RCRA Implementation Plan
RIS - RCRA Implementation Study
RIS - Regulatory Innovations Staff
RISC - Regulatory Information Service Center
RITA - Relocation Income Tax Allowance
RITZ - Regulatory and Investigative Treatment Zone Model
RJE - Remote Job Entry
RJS - Reverse Jet Scrubber
RKS - Rotary Kiln Incineration System
RLAB - Region 4 Labels System
RLEAD - Thermal Recovery of Lead in Secondary Lead Smelters
RLL - Rapid and Large Leakage (rate)
RMA - Rubber Manufacturers Association
RMAN - Recovered Materials Advisory Notice
RMAO - Resources Management and administrative Office
RMCL - Recommended Maximum Contaminant Levels (this phrase is being discontinued in favor of "MCLG")
RMDHS - Regional Model Data Handling System
RMDS - Resource management Directives System
RME - Reasonable Maximum Exposure
RMERC - Retorting or Roasting of Mercury in Thermal Processing Units
RMETL - Recovery of Metals or Inorganics
RMIS - Resources Management Information System
RMIS/BAR - Resources Management Information System/Budget Analysis System
RMO - Records Management Officer
RMO - Resource Management Office
RMP - Radon/Radon Progeny Measurement Proficiency Program
RMPP - Risk Management Prevention Plans
RMPP - Risk Management and Prevention Program
RMS - Region 10 Resource Management System
RMS - Resource Management Staff
RNA - Ribonucleic Acid
RO - Regional Office
RO - Reverse Osmosis
ROADCHEM - Roadway Version that Includes Chemical Reactions of Bl, NO2 and O3
ROADWAY - A model to predict pollutant concentrations near a roadway
ROC - Record of Communication
ROD - Record of Decision
ROG - Reactive Organic Gases
ROLLBACK - A Proportional Reduction Model
ROM - Regional Oxidant Model
ROM - Rough Order Magnitude
ROMCOE - Rocky Mountain Center on Environment
ROP - Rate of Progress
ROP - Regional Oversight Policy
ROPA - Record of Procurement Action
RoPC - Radionuclide of Potential Concern
RORGS - Recovery of Organics
ROSA - Regional Ozone Study Area
ROSE - Remote Optical Sensing of Emissions
ROSES - Residual Organic Stack Emissions
ROV - Report of Violation
RP - Radon Progeny Integrated Sampling
RP - Respirable Particulates
RP - Responsible Party
RPAR - Rebuttal Presumption Against Registration
RPD - Regulatory Policy Division
RPD - Relative Percent Difference
RPF - Relative Potency factor
RPIO - Responsible Planning and Implementation Officier
RPM - Reactive Plume Model
RPM - Remedial Project Manager
RPM - Revolutions per Minute
RPO - Regional Planning Officer
RPO - Regional Program Officer
RPS - Remedial Planning Staff
RPTA - Responsible Property Transfer Act
RPTS - Regional Priority Tracking System
RQ - Reportable Quantity(s)
RQCAR - Reportable Quantities for Carcinogens in Hazardous Waste
RQG - Reduced Quantity Generator
RQL - Reliable Quantitation Level
RQTOX - Reportable Quantities for Chronically Toxic Hazardous Substances
RRC - Regional Response Center
RREL - Risk Reduction Engineering Laboratory
RRI - Regulatory Reform Initiative
RRP - Regional Response Plan
RRS - Regulatory Reform Staff
RRT - Regional Response Team
RRT - Requisite Remedial Technology
RS - Registration Standard
RSC - Relative Source Contribution
RSCC - Regional Sample Control Center
RSD - Risk Specific Dose
RSE - Removal Site Evaluation
RSKERL - Robert S. Kerr Environmental Research Laboratory
RSMD - Resourse Systems Management Division
RSPA - Research and Special Programs Administration
RSS - Regional Services Staff
RT - Regional Total
RTCM - Reasonable Transportation Control Measure
RTD - Return to Duty
RTDF - Remediation Technologies Development Forum
RTDM - Rough Terrain Diffusion Model
RTDMDEP Rough terrain Diffusion Model Deposition
RTECS - Registry of Toxic Effects of Chemical Substances
RTEL - Research Triangle Park FTS Telephone System
RTHRM - Thermal Recovery of Metals or Inorganics from Non-Wastewaters in Industrial Furnaces
RTK - Right-to-Know
RTM - Regional Transport Model
RTP - Research Triangle Park, North Carolina
RTS - Regulation Tracking System
RUP - Restricted Use Pesticide
RUPOC - Regulated Unit Point of Compliance
RV - Residual Volume
RVP - Reid Vapor Pressure
RWC - Residential Wood Combustion
RWQCB - Regional Water Quality Control Board (California)
RWS - Rural Water Survey
RX75 - Region 10 Laboratory Management System
RZINC - Recovery of Zinc in High Temperature Meta Units
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