| Acronym | Meaning |
| HADD | Highest Average Daily Dose |
| CKD | Cement Kiln Dust |
| CDHS | California Department Of Health Services |
| BCCP | Biotin Carboxyl-carrier Protein |
| ITP | Inosine 5'-triphosphate |
| EMTIC | Emission Measurement Technical Information Center |
| BARF | Best Available Retrofit Facility |
| AMA | American Medical Association |
| ATRS | Attenuated Total Reflection Spectroscopy |
| FFCA | Federal Facility Compliance Act |