U.S. Geological Survey Data Series 571
| A | ampere |
| ASE | accelerated solvent extraction |
| atm | atmosphere |
| C | Celsius |
| ECNI | electron capture negative ionization |
| EI | electron impact ionization |
| EIMS | electron-impact mass spectrometry |
| EMDL | estimated minimum detection limit |
| g | gram |
| GC | gas chromatography |
| GC/ECNIMS | gas chromatography/electron-capture negative ionization mass spectrometry |
| GC/EIMS-SIM | gas chromatography/electron-impact mass spectrometry - selected ion monitoring |
| GFF | glass fiber filter |
| h | hour |
| HLB | Hydrophilic-Lipophilic Balance |
| Hz | hertz |
| ICP-MS | inductively coupled plasma mass spectrometry |
| IDL | instrument detection limit |
| K | Kelvin |
| kPa | kilopascal |
| L | liter |
| m | meter |
| METAR | Meteorological Terminal Aviation Routine |
| mL | milliliter |
| mm | millimeter |
| ng | nanogram |
| NWQL | National Water Quality Laboratory |
| PAH | polycyclic aromatic hydrocarbon |
| PCB | polychlorinated biphenyl |
| pg | picogram |
| PM2.5 | particulate mass of particles less than 2.5 micrometers diameter |
| QFF | quartz fiber filter |
| SAL | Saharan Air Layer |
| SOC | semivolatile organic compounds |
| SPE | solid phase extraction |
| STP | standard temperature and pressure |
| USGS | U.S. Geological Survey |
| USVI | U.S. Virgin Islands |
| V | volts |
| µg | microgram |
| µL | microliter |
| µm | micrometer |