butylated hydroxyanisole
City of Sonoma
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.
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 | 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 | 8 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-08 | 201803090406 | ND |
| 2018-03-08 | 201803090593 | ND |
| 2018-04-24 | 201804250737 | ND |
| 2018-09-24 | 201809250252 | ND |
| 2018-09-24 | 201809250208 | ND |
| 2018-09-24 | 201809250249 | ND |
| 2018-09-24 | 201809250365 | ND |
| 2018-09-24 | 201809250203 | ND |