butylated hydroxyanisole
Jefferson County PWSD 3
NOTE: Jefferson County PWSD 3 purchases water from Missouri American St. Louis County & St. Charles County which is required to test for butylated hydroxyanisole . Sample information shown below was taken by Missouri American St. Louis County & St. Charles County.
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.
Samples
Samples exceeding legal limit (MCL)
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Jefferson County PWSD 3 purchases water from Missouri American St. Louis County & St. Charles County which is required to test for butylated hydroxyanisole . Sample information shown below was taken by Missouri American St. Louis County & St. Charles County.
| Date | Lab ID | Result |
|---|---|---|
| 2019-03-12 | 43202701 | ND |
| 2019-03-12 | 43201901 | ND |
| 2019-03-12 | 43199701 | ND |
| 2019-03-12 | 43200701 | ND |
| 2019-06-12 | 44591301 | ND |
| 2019-06-12 | 44585301 | ND |
| 2019-06-12 | 44582601 | ND |
| 2019-06-12 | 44583801 | ND |
| 2019-09-12 | 46391301 | ND |
| 2019-09-12 | 46390201 | ND |
| 2019-09-12 | 46387401 | ND |
| 2019-09-12 | 46388601 | ND |
| 2019-12-10 | 47534701 | ND |
| 2019-12-10 | 47533801 | ND |
| 2019-12-10 | 47531501 | ND |
| 2019-12-10 | 47532501 | ND |