1,3-Butadiene
Alameda County Water District
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 | ND | 15 | 0 | ND |
| 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 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.0103 ppb
The EWG Health Guideline of 0.0103 ppb for 1,3-butadiene was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-24 | 201403250220AM | ND |
| 2014-03-24 | 201403250270AM | ND |
| 2014-03-24 | 201403250222AM | ND |
| 2014-03-24 | 201403250273AM | ND |
| 2014-06-02 | 201406030458AM | ND |
| 2014-06-02 | 201406030454AM | ND |
| 2014-06-02 | 201406030452AM | ND |
| 2014-06-02 | 201406030456AM | ND |
| 2014-09-08 | 201409090360AM | ND |
| 2014-09-08 | 201409090358AM | ND |
| 2014-09-08 | 201409090356AM | ND |
| 2014-09-08 | 201409090384AM | ND |
| 2014-12-08 | 201412090321AM | ND |
| 2014-12-08 | 201412090319AM | ND |
| 2014-12-08 | 201412090317AM | ND |