butylated hydroxyanisole
Tualatin Valley Water District
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.
9
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 | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-04-25 | 201804260651 | ND |
| 2018-06-04 | 201806050626 | ND |
| 2018-08-23 | 201808240737 | ND |
| 2018-08-23 | 201808240738 | ND |
| 2018-08-23 | 201808240736 | ND |
| 2018-10-15 | 201810170617 | ND |
| 2018-10-15 | 201810170634 | ND |
| 2019-01-15 | 201901160477 | ND |
| 2019-01-15 | 201901160456 | ND |