butylated hydroxyanisole
City of Napa
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 | 6 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-16 | 201805180364 | ND |
| 2018-06-06 | 201806080843 | ND |
| 2018-08-22 | 201808230533 | ND |
| 2018-08-22 | 201808230531 | ND |
| 2018-12-05 | 201812060115 | ND |
| 2018-12-05 | 201812060116 | ND |
| 2019-02-06 | 201804240501 | ND |
| 2019-02-06 | 201804240502 | ND |