1,3-Butadiene
City of Tustin
13
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 |
|---|---|---|---|---|
| 2013 | ND | 13 | 0 | ND |
| 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 | 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 |
|---|---|---|
| 2013-03-04 | 3010046812 | ND |
| 2013-04-02 | 3010046815 | ND |
| 2013-04-02 | 3010046816 | ND |
| 2013-04-02 | 3010046805 | ND |
| 2013-04-02 | 3010046814 | ND |
| 2013-06-10 | 3010046812-2 | ND |
| 2013-09-03 | 3010046812-3 | ND |
| 2013-10-15 | 3010046815-2 | ND |
| 2013-10-15 | 3010046814-2 | ND |
| 2013-10-15 | 3010046816-2 | ND |
| 2013-10-15 | 3010046808-2 | ND |
| 2013-10-15 | 3010046805-2 | ND |
| 2013-12-09 | 3010046812-4 | ND |