| Clue | Source | Date |
|---|---|---|
| Govt. site where water might be tested | ||
| Gov emissions testing location | ||
| Gov't emissions-testing site | ||
| Govt. site where water may be tested | Universal | 31 Jan 2024 |
| Water quality tester, often | Wall Street Journal | 29 Apr 2022 |
| Govt. testing site for air and water quality | New York Times | 12 Jan 2021 |
| Pollution-testing facility | Newsday | 10 Jan 2021 |
| Where water samples may be tested, informally | New York Times | 18 Sep 2020 |
| Govt. water-testing facility | Wall Street Journal | 14 Mar 2016 |