| Acronym | Meaning |
| PDM | Pulse Duration Modulation |
| AL | Ames Laboratory |
| PASSCAL | Program For Array Seismic Studies Of The Continental Lithosphere |
| ESSC | Earth System Science Committee |
| APS | Autocorrelated Photon Spectroscopy |
| ATMOS | Atmospheric Trace Molecules Observed By Spectroscopy |
| DOE/NV | DOE Nevada Operations Office |
| HB | Hard Black |
| ESNET | Energy Sciences Network |
| EDAS | Ecosystem Dynamics And The Atmosphere Section |