1,3-Butadiene
City of Tracy
17
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 | 7 | 0 | ND |
| 2015 | ND | 10 | 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 |
|---|---|---|
| 2014-11-06 | 201411070279AM | ND |
| 2014-11-06 | 201411070277AM | ND |
| 2014-11-13 | 201411140437AM | ND |
| 2014-11-13 | 201411150147AM | ND |
| 2014-11-13 | 201411140830AM | ND |
| 2014-11-20 | 201411210460AM | ND |
| 2014-11-20 | 201411210468AM | ND |
| 2015-02-25 | 201502260352AM | ND |
| 2015-05-06 | 201505070543AM | ND |
| 2015-05-06 | 201505070652AM | ND |
| 2015-05-06 | 201505070461AM | ND |
| 2015-05-06 | 201505070434AM | ND |
| 2015-05-18 | 201505190491AM | ND |
| 2015-05-18 | 201505190489AM | ND |
| 2015-05-27 | 201505280389AM | ND |
| 2015-08-27 | 201508280291AM | ND |
| 2015-08-27 | 201508280260AM | ND |