| Acronym | Meaning |
| TSM | Total Suspended Material |
| CISDT | CI With Single And Double And Triple Excitations |
| HNBR | Hydrogenated Acrylonitrile-butadiene Rubber |
| PPR | Projection Pursuit Regression |
| EDC | Endocrine Disrupting Chemical |
| MNDOC | Modified Neglect Of Diatomic Overlap Correlated |
| EDTA | Ethylenediaminetetraacetic Acid |
| CDD | Chlorinated Dibenzo-p-dioxin |
| ECRC | Environmental And Contaminants Research Center |
| IWG | International Working Group |