1,3-Butadiene
City of Concord
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 6 | 0 | ND |
2015 | ND | 2 | 0 | ND |
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 |
---|---|---|
2014-04-14 | 35134253003AM | ND |
2014-04-14 | 35134253001AM | ND |
2014-07-15 | 35146563003AM | ND |
2014-07-15 | 35146563001AM | ND |
2014-10-14 | 35159414003AM | ND |
2014-10-14 | 35159414001AM | ND |
2015-01-21 | 35172516003AM | ND |
2015-01-21 | 35172516001AM | ND |