1,3-Butadiene
Marin Municipal Water District
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | ND | 3 | 0 | ND |
2014 | ND | 7 | 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 |
---|---|---|
2013-11-04 | 1311122-001A | ND |
2013-11-04 | 1311120-001A | ND |
2013-11-04 | 1311121-001A | ND |
2014-02-03 | 1402080-001A | ND |
2014-02-03 | 1402079-001A | ND |
2014-05-05 | 1405197-001A | ND |
2014-05-05 | 1405195-001A | ND |
2014-05-05 | 1405196-001A | ND |
2014-08-04 | 1408126-001A | ND |
2014-08-04 | 1408125-001A | ND |