butylated hydroxyanisole
King County Water District 111
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.
12
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 | N/A | 0 | 0 | N/A |
| 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 | 6 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-23 | 201807240329 | ND |
| 2018-08-22 | 201808230536 | ND |
| 2018-08-22 | 201808230537 | ND |
| 2018-08-22 | 201808230538 | ND |
| 2018-08-22 | 201808230539 | ND |
| 2018-11-19 | 201811200367 | ND |
| 2019-01-14 | 201901150181 | ND |
| 2019-01-14 | 201901150235 | ND |
| 2019-01-14 | 201901150238 | ND |
| 2019-01-22 | 201901230134 | ND |
| 2019-01-22 | 201901230115 | ND |
| 2019-04-10 | 201904110271 | ND |