butylated hydroxyanisole
Redmond Water Department
Butylated hydroxyanisole, or BHA, is used as a food preservative. The chemical is considered a possible human carcinogen and classified by the European Union as an endocrine disruptor.
14
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 7 | 0 | ND |
| 2019 | ND | 7 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-08-16 | 18-30803-62445 | ND |
| 2018-08-16 | 18-30803-62447 | ND |
| 2018-08-16 | 18-30803-62449 | ND |
| 2018-08-16 | 18-30803-62451 | ND |
| 2018-08-16 | 18-30803-62453 | ND |
| 2018-08-16 | 18-30803-62455 | ND |
| 2018-08-16 | 18-30803-62457 | ND |
| 2019-02-21 | 19-06142-12634 | ND |
| 2019-02-21 | 19-06142-12635 | ND |
| 2019-02-21 | 19-06142-12636 | ND |
| 2019-02-21 | 19-06142-12637 | ND |
| 2019-05-14 | 19-17728-35239 | ND |
| 2019-05-14 | 19-17728-35240 | ND |
| 2019-10-22 | 19-40682-78930 | ND |