Report Acronym and Units List
| Term | Definition |
|---|
| EPA | Environmental Protection Agency |
| CDC | Centers for Disease Control and Prevention |
| SDWA | Safe Drinking Water Act |
| CWA | Clean Water Act |
| SM | Standard Methods for the Examination of Water and Wastewater |
| QC | Quality Control |
| QA | Quality Assurance |
| MDL | Method Detection Limit |
| LOQ | Limit of Quantitation |
| LOD | Limit of Detection |
| RPD | Relative Percent Difference |
| MS | Matrix Spike |
| MSD | Matrix Spike Duplicate |
| SRM | Standard Reference Material |
| ICP-MS | Inductively Coupled Plasma Mass Spectrometry |
| GC-MS | Gas Chromatography-Mass Spectrometry |
| IC | Ion Chromatography |
| UV-Vis | Ultraviolet-Visible Spectrophotometry |
| TOC | Total Organic Carbon |
| TSS | Total Suspended Solids |
| TKN | Total Kjeldahl Nitrogen |
| VOC | Volatile Organic Compounds |
| SVOC | Semi-Volatile Organic Compounds |
| PFAS | Per- and Polyfluoroalkyl Substances |
| DBP | Disinfection Byproducts |
| THM | Trihalomethanes |
| HAA | Haloacetic Acids |
| MTBE | Methyl Tert-Butyl Ether |
| PCBs | Polychlorinated Biphenyls |
| PAHs | Polycyclic Aromatic Hydrocarbons |
| MCL | Maximum Contaminant Level |
| MEG | Maximum Exposure Guideline (Maine-based MCL) |
| MRL | Minimum Reporting Level |
| pH | Potential of Hydrogen (acidity/alkalinity); USEPA range is 6.5-8.5 |
| Pb | Lead |
| CFU | Colony Forming Units |
| MPN | Most Probable Number |
| E. coli | Escherichia coli |
| HPC | Heterotrophic Plate Count |
| LIMS | Laboratory Information Management System |
| COC | Chain of Custody |
| ID | Identification |
| RL | Reporting Limit |
| DL | Detection Limit |
| ND | Non-Detect |
| NR | Not Reported |
| DW | Drinking Water |
| NP | Non-potable |
| H2O | Dihydrogen monoxide/water |
| ug/L | Micrograms per liter |
| pCi/L | picoCuries per liter |
| mg/L | Milligrams per liter |
| S.U. | Standard Units |
| mL | Milliliters |
| PCU | Platinum Color unit |
| NTU | Nephelometric Turbidity unit |
| ppm | Parts per million |
| ppb | Parts per billion |
| ppt | Parts per trillion |
| PWSID | Public water system identification |
