Butylated hydroxyanisole
Walker Water System
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 |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 8 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-02-18 | 0020497-01C | ND |
| 2020-02-18 | 0020497-02C | ND |
| 2020-02-18 | 0020497-03C | ND |
| 2020-03-09 | 0031935-01C | ND |
| 2020-08-17 | 0080087-01C | ND |
| 2020-08-17 | 0080087-02C | ND |
| 2020-08-17 | 0080087-04C | ND |
| 2020-08-20 | 0080087-03C | ND |