Bromomethane
Portland Water System
Bromomethane, or methyl bromide, is a pesticide fumigant that was banned because it depletes the ozone layer.
10
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 |
|---|---|---|---|---|
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2014-06-06 | ND |
| 2014-09-22 | ND |
| 2014-12-15 | ND |
| 2015-03-18 | ND |
| 2015-04-28 | ND |
| 2015-06-23 | ND |
| 2016-06-03 | ND |
| 2017-05-10 | ND |
| 2018-04-23 | ND |
| 2019-06-11 | ND |