Chlorodifluoromethane
East Williston
0
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 11 | 0 | ND |
| 2019 | 0.369 ppb | 19 | 10 | ND - 1.10 ppb |
| 2020 | 0.234 ppb | 12 | 4 | ND - 0.820 ppb |
| 2021 | 0.228 ppb | 13 | 4 | ND - 0.970 ppb |
| 2022 | 0.0422 ppb | 18 | 1 | ND - 0.760 ppb |
| 2023 | 0.175 ppb | 14 | 3 | ND - 0.980 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|