| ACWA | American Clean Water Association |
| ADR | Alternative Dispute Resolution |
| ALARA | As Low As Reasonably Achievable |
| ALJ | Administrative Law Judge |
| AO | Administrative Order |
| APC | Air Pollution Control |
| APP | Annual Performance Plan |
| AQRV | Air Quality Related Value |
| AR | Administrative Record |
| ARAP | Aquatic Resources Alteration Permit |
| ASTSWMO | Association of State and Territorial Solid Waste Management |
| AWRA | American Water Resources Association |
| BACT | Best Available Control Technology |
| BMPs | Best Management Practices |
| BOD | Biochemical Oxygen Demand |
| BOE | Bureau of Environment |
| BPJ | Best Professional Judgement |
| CA | Corrective Action |
| CAAA | Clean Air Act Amendments |
| CAFO | Concentrated Animal Feeding Operation |
| CAMU | Corrective Action Management Unit |
| CE | Conditionally Exempt |
| CERCLA | Comprehensive Environmental Response, Compensation and Liability Act |
| CESQG | Conditionally Exempt Small Quantity Generator |
| CFC | Chlorofluorocarbons |
| CFR | Code of Federal Regulations |
| CO | TDEC Central (Nashville) Office |
| COA | Consent Order and Agreement |
| COE | U.S. Army Corps of Engineers |
| CSO | Combined Sewer Overflow |
| CTAS | County Technical Advisory Service |
| CWA | Clean Water Act (ara FWPCA) |
| CWSRF | Clean Water State Revolving Fund |
| DA | Department of the Army |
| DCA | Division of Community Assistance |
| DE | District Engineer |
| DFS | Division of Fiscal Services |
| DHR | Division of Human Resources |
| DIY | Do-It-Yourselfer |
| DMR | Discharge Monitoring Report |
| DOE | U.S. Department of Energy |
| DOEO | Division of Department of Energy Oversight |
| DOP | Department of Personnel |
| DRH | Radiological Health |
| DSF | Division of Superfund |
| DWS | Division of Water Supply |
| DWS | Drinking Water Standard |
| DWSRF | Drinking Water State Revolving Fund |
| EAC | TDEC regional Environmental Assistance Center |
| EAC | Early Action Compact |
| EAP | Emergency Action Plan |
| EAR | Enforcement Action Request |
| EC | Environmental Coordinator |
| EC&D | Department of Economic and Community Development |
| EI | Environmental Impact |
| EI | Environmental Indicator |
| EIS | Environmental Impact Statement |
| EJ | Environmental Justice |
| EPA | Environmental Protection Agency |
| EPCRA | Emergency Planning and Community Right To Know Act of 1986 |
| EPF | Environmental Protection Fund |
| EPS | Environmental Protection Specialist with TDEC |
| ERT | Emergency Response Team |
| ES | Environmental Specialist with TDEC |
| ESA | Environmental Service Assistant (of TDEC) |
| FLM | Federal Land Manager |
| FNSI | Finding of No Significant Impact |
| FOIA | Freedom of Information Act |
| FR | Federal Register |
| FRA | Federal Register Act |
| FTC | Fleming Training Center |
| FWCA | Fish and Wildlife Coordination Act |
| GIS | Geographic Information Systems |
| GWM | Groundwater Monitoring |
| HAP | Hazardous Air Pollutant |
| HAZMAT | Hazardous Materials |
| HHW | Household Hazardous Waste |
| HON | Hazardous Organic NESHAPS |
| HPC | Hazard Potential Category as defined in the rules and regulations. |
| HSWA | Hazardous and Solid Waste Amendments of 1984 |
| HW | Hazardous Waste |
| HWM | Hazardous Waste Management |
| I/I | Inflow/Infiltration |
| IRIS | Integrated Resource Information System |
| IS | Interim Status |
| LFG | Landfill Gas |
| LMOP | Landfill Methane Outreach Program |
| MACT | Maximum Achievable Control Technology |
| MCL | Maximum Contaminant Level |
| MOA | Memorandum of Agreement |
| MOR | Monthly Operating Report |
| MOU | Memorandum of Understanding |
| MSDS | Material Safety Data Sheet |
| MSW | Municipal Solid Waste |
| MTAS | Municipal Technical Advisory Service |
| NAAQS | National Ambient Air Quality Standard |
| NESHAP | National Emission Standards for Hazardous Air Pollutants |
| NOD | Notice of Deficiency |
| NOV | Notice of Violation |
| NPDES | National Pollutant Discharge Elimination System |
| NPS | National Park Service |
| NPS | Nonpoint Source Pollution (water) |
| NRCS | Natural Resources Conservation Service |
| NSPS | New Source Performance Standards |
| O&M | Operations & Maintenance |
| O&M | Operations & Maintenance Inspection |
| OAQPS | U.S. EPA's Office of Air Quality Planning and Standards |
| ONRW | Outstanding National Resource Waters |
| OSHA | Occupational Safety and Health Administration (Federal) |
| OSP | Office of Strategic Planning |
| P2 | Pollution Prevention |
| PCS | Permit Compliance System (for water) |
| PIO | Public Information Officer |
| POTW | Publicly Owned Treatment Works |
| PSD | Prevention of Significant Deterioration of Air Quality |
| PSE | Planned Special Exposure |
| QA/QC | Quality Assistance/Quality Control |
| QPR | Quarterly Progress Report |
| RA | Regional Administrator |
| RACM | Regulated Asbestos-Containing Material |
| RC&D | Resource Conservation and Development District |
| RCRA | Resource Conservation and Recovery Act |
| RCRIS | Resource Conservation and Recovery Information System |
| RGF | Recirculating Gravel Filter |
| RI | Remedial Investigations |
| RMA | Rubber-Modified Asphalt |
| RRR | Reduce, Reuse, Recycle |
| SARA | Superfund Amendments and Reauthorization Act of 1986 |
| SBAP | Small Business Assistance Program |
| SCORE | Small Community Outreach and Education |
| SDWA | Safe Drinking Water Act |
| SEP | Supplemental Environmental Project |
| SERP | State Employee Recycle Program |
| SIC | Standard Industrial Classification |
| SIP | State Implementation Plan |
| SOCMI | Synthetic Organic Chemical Manufacturing Industry |
| SOP | Standard Operating Procedures |
| SPCC | Spill Prevention, Countermeasures and Containment |
| SPE | Single Point of Entry |
| SRF | State Revolving Fund |
| SSDS | Subsurface Sewage Disposal System |
| SWDA | Solid Waste Disposal Act |
| SWM | Solid Waste Management |
| SWMU | Solid Waste Management Unit |
| TAB | Tennessee Association of Business |
| TAUD | Tennessee Association of Utility Districts |
| TCA | Tennessee Code Annotated |
| TCL | Tennessee Conservation League |
| TDA | Tennessee Department of Agriculture |
| TDEC | Tennessee Department of Environment and Conservation |
| TDF | Tennessee Division of Forestry |
| TDF | Tire-Derived Fuel |
| TDOT | Tennessee Department of Transportation |
| TEC | Tennessee Environmental Council |
| TEMA | Tennessee Emergency Management Agency |
| TLDA | Tennessee Local Development Authority |
| TMDL | Total Maximum Daily Load |
| TML | Tennessee Municipal League |
| TNC | The Nature Conservancy |
| TOSHA | Tennessee Occupational Safety and Health Administration |
| TP3 | Tennessee Pollution Prevention Partnership |
| TPY | Tons Per Year |
| TRPA | Tennessee Recreation and Parks Association |
| TSD | Treatment, Storage, and Disposal |
| TSDF | Treatment, Storage, and Disposal Facilities |
| TSP | Tennessee State Parks |
| TSU | Tennessee State University |
| TTU | Tennessee Technological University |
| TVA | Tennessee Valley Authority |
| TWRA | Tennessee Wildlife Resources Agency |
| UIC | Underground Injection Control |
| UMRB | Utility Management Review Board |
| USDW | Underground Source of Drinking Water |
| USFW | United States Fish and Wildlife Service |
| USFS | United States Forest Service |
| USGS | United States Geological Survey |
| UST | Underground Storage Tank |
| UT | University of Tennessee |
| UT CIS | The University of Tennessee Center for Industrial Services |
| VOAP | Voluntary Cleanup Oversight and Assistance Program |
| VOC | Volatile Organic Compounds |
| WPC | Water Pollution Control |
| USC | United States Code Annotated |
| WTE | Waste-To-Energy |
| WWFB | Waste Water Financing Board |
| WWTP | Waste Water Treatment Plant |