| Acronym | Meaning |
| CSGWPP | Comprehensive State Ground Water Protection Program |
| HEC | Hydrogen Embrittlement Cracking |
| CAC | Carbon Arc Cutting |
| EGBD | Extrinsic Grain Boundary Dislocation |
| CAIS | Calcium-aluminum-rich Inclusions |
| ECP | Exchange Core Polarization |
| GCLSDA | Gradient-corrected Local Spin Density Approximation |
| CDS | Compliance Data System (US EPA Air Database) |
| AQF | American Quality Foundation |
| GEOSECS | Geochemical Ocean Sections |