| Acronym | Meaning |
 | (PI)SDCI | (pi)-electron Singly And Doubly Excited CI |
 | IWMIS | INEL Industrial Waste Management Information System |
 | PBB | Polybrominated Biphenyl |
 | OSF | Odor Safety Factor |
 | BOSS | Brigham Young University Organic Sampling System |
 | NASQUAN | National Stream Water Quality Accounting Network |
 | RDA | Regularized Discriminant Analysis |
 | SICP | Sealed Inductively Coupled Plasma |
 | TLS | Two-level System (with Tunneling Transitions Between Wells Of Double-well Potential) |
 | PAB | Particle Associated Bacteria |