ABBREVIATIONS & ACRONYMS
| AEC | Atomic Energy Commission |
| AFRC | Atlanta Federal Records Center |
| Alpha 4 | Building 9201-4 |
| Alpha 5 | Building 9201-5 |
| AVLIS | Atomic Vapor Laser Isotope Separations |
| Ba, Ba140 | barium, barium-140 |
| Beta-4 | Building 9204-4 |
| BKG | Unknown |
| BLUREC | ORNL Records Center Database |
| BMAP | Biological Monitoring and Abatement Program |
| Bq | becquerel |
| Bq/g | becquerels per gram |
| Bq/kg or Bq/Kg | becquerels per kilogram |
| Bq/l | becquerels per liter |
| Bq/m2 | becquerels per square meter |
| Bq/ml | becquerels per milliliter |
| ca. | circa |
| CCB |
Unknown |
| CCCC |
Carbide and Carbon Chemical Corporation |
| Ce, Ce144 | cerium, cerium-144 |
| CE+/- | [corrected error] |
| CERCLA | Comprehensive Environmental Compensation, Recovery, Liability Act |
| CEW | Clinton Engineering Works |
| CF | Central Files |
| CG | concentration guide |
| c/h | counts per hour |
| Ci | curie |
| Ci/d | curies per day |
| Ci/g | curies per gram |
| Colex | column exchange process |
| c/m/in2 | counts per minute per square inch |
| c/m/ml | counts per minute per milimeter |
| cm2/s | square centimeters per seconds |
| cpm or c/m | counts per minute |
| cpm/cc | counts per minute per cubic centimeter |
| cpm/g | counts per minute per gram |
| cpm/ml | counts per minute per milliliter |
| cps | counts per second |
| CR | construction request |
| 60Cr | cobalt-60 |
| Cs, Cs-137, Cs137,137Cs | cesium, cesium-137 |
| DCG | Derived Concentration Guide |
| DMC | Document Management Center |
| d/m/l | disintegrations per minute per liter |
| d/m/ml or dpm/ml | disintegrations per minute per milliliter |
| DOE | Department of Energy |
| DOE-ORR | Department of Energy-Oak Ridge Reservation |
| dpm/cm2 | disintegrations per minute per square centimeter |
| dpm/g | disintegrations per minute per gram |
| DTPA | diethylenetriamine pentaacetic acid |
| EH-42 | Office of Epidemiology and Health Surveillance |
| Elex | electro-chemical separation process |
| EPA | Environmental Protection Agency |
| ERDA | Energy Research and Development Administration |
| ERDMC | Environmental Restoration Program Document Management Center |
| Fe | iron |
| FRC | Federal Records Center |
| FRD | Formerly Restricted Data |
| FWHM | full width at half-maximum |
| gal/wk | gallons per week |
| GCPR | gas-cooled power reactor |
| g/l or g/L | grams per liter |
| GRS | General Records Schedules |
| GSA | General Services Administration |
| HAI | History Associates Incorporated |
| HCP-14 | acid recovery vent scrubber furnace |
| HEW | Hanford Engineering Works |
| Hg, or "M" | mercury |
| HRE-3 | Homogenous Reactor Test (Experiment)-3 |
| HRT | Homogeneous Reactor Test |
| I-131 or I131 | iodine-131 |
| ICM | interim corrective measures |
| ILW | intermediate-level waste |
| IMS | Information Management Service |
| INEL | Idaho National Engineering Laboratory |
| K-25 | Oak Ridge Gaseous Diffusion Plant |
| keV | kilo-electron volts |
| KWTARS | K-25 Waste Tracking and Reporting System |
| LANL | Los Alamos National Laboratory |
| Li-6 | lithium-6 |
| LITR | Low Intensity Test Reactor |
| LLLW | liquid low level waste |
| mc/cc | microcuries per cubic centimeter |
| mCi | millicuries (one thousandth of a curie) |
| mCi/f3 | millicuries per cubic foot |
| mCi/hr | millicuries per hour |
| MED | Manhattan Engineer District |
| MeV | mega-electron volts |
| mg | milligrams |
| mg/kg | milligrams per kilogram |
| mg/kg/day | milligrams per kilogram per day |
| mg/l | milligrams per liter |
| mg/m3 | milligram per cubic meter |
| MMES | Martin Marietta Energy Systems |
| MPC | maximum permissible concentration |
| mR or mr | milliRoentgen (milliRoentgen is one thousandth of a Roentgen) |
| mr/day | millirems per day |
| mrem/h or mrem/hr | millirems per hour |
| mR/h or mr/hr | milliRoentgen per hour |
| mr/hr/l | milliroentgens per hour per liter |
| mrad/h | millirads per hour |
| MTR | Material Test Reactor |
| MUC | Metallurgical Laboratory, University of Chicago |
| uc/cc | microcounts per cubic centimeter (microcount is one millionth of acount) |
| uc/g | microcounts per gram |
| uCi | microcurie (microcurie is one millionth of a curie) |
| uCi/cc | microcuries per cubic centimeter |
| uCi/g | microcuries per gram |
| uCi/ml | microcuries per milliliter |
| ug/ml | micrograms per milliliter |
| uR/h | microRoentgens per hour (microRoentgen is one millionth of a Roentgen) |
| N/A | not applicable |
| NARA | National Archives and Records Administration |
| Ni | nickel |
| NIOSH | National Institute for Occupational Safety and Health |
| NM | Nuclear Materials |
| NPDES | National Pollutant Discharge Elimination System |
| NSI | National Security Information |
| OGR | Oak Ridge Graphite Reactor |
| Orex | organic exchange process |
| ORGDP | Oak Ridge Gaseous Diffusion Plant |
| ORGDP-HP | Oak Ridge Gaseous Diffusion Plant-Health Physics |
| ORNL | Oak Ridge National Laboratory |
| ORO | Oak Ridge Operations |
| ORR | Oak Ridge Reservation |
| OSTI | DOE Office of Scientific Information |
| Pb | lead |
| PCB | polychlorinated biphenyl |
| pCi | picocurie (one trillionth part of a curie) |
| pCi/cm2 | picocuries per square centimeter |
| pCi/g or pc/gm | picocuries per gram |
| pCi/kg | picocuries per kilogram |
| pCi/l | picocuries per liter |
| pCi/m2 | picocuries per square meter |
| p/ft2 | particles per square foot |
| pH | hydrogen ion concentration |
| p/ml | particles per milliliter |
| ppm or PPM | parts per million |
| Pr | praseodymium |
| Pu | praseodymium |
| PW | process waste |
| PWMP | Pond Waste Management Project |
| PWTP | Process Waste Treatment Plant |
| QA | quality assurance |
| RaLa | Radioactive Lanthanum |
| RCRA | Resource Conservation and Recovery Act |
| RD | Restricted Data |
| R&D | Research and Development |
| RFD | Request for Disposal |
| Rh | rhodium |
| R/h or r/hr | Roentgens per hour |
| RHTG | Records Holding Task Group |
| RNSI | Unknown |
| Ru | ruthenium |
| SF-135 | NARA Standard Form 135 |
| Sr,90Sr | strontium, strontium-90 |
| SRWDA | solid radioactive waste disposal area |
| SS | source and special |
| STT | shielded transfer tanks |
| Sv/Bq | sieverts per becquerel |
| Sv/d | sieverts per disintegration |
| SWIMS | Solid Waste Information Management System |
| SWSA | Solid Waste Storage Area |
| TBP | tributyl phosphate |
| TDH | Tennessee Department of Health |
| TIDD | Technical Information Document Database
|
| TLD | thermoluminescent dosimetry |
| TM | Technical Memorandum |
| TR | Technical Release |
| TSCA | Toxic Substances Control Act |
| TVA | Tennessee Valley Authority |
| U-235 | uranium-235 |
| U-238 | uranium-238 |
| UCC | Union Carbide Corporation |
| UF6 | uranium hexafluoride |
| UO2 | uranium dioxide |
| USPHS | United States Public Health Service |
| WAG | Waste Area Grouping |
| WOC | White Oak Creek |
| WOCE | White Oak Creek Embayment |
| WTS | Waste Tracking System |
| X-10 | Oak Ridge National Laboratory code name |
| Y, Y91 | yttrium, yttrium-91 |
| Y-12 | code name for the third Oak Ridge processing plant |
| 460-mw | two-region thorium breeder reactor |
