Bromomethane
Chehalis Water Department
Bromomethane, or methyl bromide, is a pesticide fumigant that was banned because it depletes the ozone layer.
8
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 |
|---|---|---|---|---|
| 2013 | ND | 1 | 0 | ND |
| 2014 | ND | 3 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 2 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2013-12-09 | 201312100286AM | ND |
| 2014-03-05 | 201403060265AM | ND |
| 2014-06-04 | 201406050161AM | ND |
| 2014-09-03 | 201409040484AM | ND |
| 2018-08-02 | ND | |
| 2018-08-02 | ND | |
| 2022-12-27 | 4400704 | ND |
| 2022-12-27 | 4400704 | ND |