butylated hydroxyanisole
Contra Costa 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.
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 | 12 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2018-03-27 | A8B2463-01 | ND |
2018-03-27 | A8B2463-02 | ND |
2018-03-27 | A8B2463-03 | ND |
2018-06-05 | A8E1244-01 | ND |
2018-06-05 | A8E1244-02 | ND |
2018-06-05 | A8E1244-03 | ND |
2018-09-11 | 1809376-001C | ND |
2018-09-11 | 1809376-003C | ND |
2018-09-11 | 1809376-002C | ND |
2018-12-04 | 1812106-001C | ND |
2018-12-06 | 1812329-001C | ND |
2018-12-06 | 1812329-002C | ND |