butylated hydroxyanisole
Norwalk 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.
18
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-02-12 | 0B07005-01 | ND |
| 2020-02-12 | 0B07005-06 | ND |
| 2020-02-12 | 0B07005-03 | ND |
| 2020-02-12 | 0B07005-04 | ND |
| 2020-02-12 | 0B07005-05 | ND |
| 2020-05-21 | 0E05002-01 | ND |
| 2020-05-21 | 0E05002-03 | ND |
| 2020-05-21 | 0E05002-02 | ND |
| 2020-06-23 | 0F15003-01 | ND |
| 2020-08-27 | 0H19002-05RE1 | ND |
| 2020-08-27 | 0H19002-03RE1 | ND |
| 2020-08-27 | 0H19002-02RE1 | ND |
| 2020-08-27 | 0H19002-01RE1 | ND |
| 2020-08-27 | 0H19002-04RE1 | ND |
| 2020-11-12 | 0K11001-02 | ND |
| 2020-11-12 | 0K11001-01 | ND |
| 2020-11-12 | 0K11001-03 | ND |
| 2020-11-12 | 0K10003-01 | ND |