butylated hydroxyanisole
San Lorenzo 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.
15
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 | 15 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-01 | 201803020647 | ND |
| 2018-03-01 | 201803020648 | ND |
| 2018-03-01 | 201803020652 | ND |
| 2018-04-27 | 201804300558 | ND |
| 2018-04-27 | 201804300559 | ND |
| 2018-04-27 | 201804300557 | ND |
| 2018-06-07 | 201806080768 | ND |
| 2018-08-20 | 201808130211 | ND |
| 2018-09-11 | 201809120938 | ND |
| 2018-09-11 | 201809120928 | ND |
| 2018-11-27 | 201811280070 | ND |
| 2018-11-27 | 201811280457 | ND |
| 2018-11-27 | 201811280458 | ND |
| 2018-11-27 | 201811280456 | ND |
| 2018-12-05 | 201812060112 | ND |