| Acronym | Meaning |
 | HERAC | Health And Environmental Research Advisory Committee |
 | HPRT | Hypoxanthine Phosphoribosyltransferase |
 | MDW | Mixed Density Wave |
 | PFS | Planetary Fourier Spectrometry |
 | ILS | Intracavity Laser Spectroscopy |
 | DMR | Discharge Monitoring Report |
 | RFEC | Remote Field Eddy Current |
 | NEMI | National Environmental Methods Index |
 | HEB | High Efficiency Boiler |
 | MNDO-PM3 | Modified Neglect Of Diatomic Overlap-parametric Method |