1,3-Butadiene
Chatsworth
12
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 12 | 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 |
|---|---|---|
| 2015-03-04 | 846761-13571 | ND |
| 2015-03-10 | 847614-13612 | ND |
| 2015-03-16 | 848696-13663 | ND |
| 2015-06-08 | 864199-14270 | ND |
| 2015-06-09 | 864573-14270 | ND |
| 2015-06-15 | 865391-14283 | ND |
| 2015-09-01 | 880259-14810 | ND |
| 2015-09-08 | 881647-14897 | ND |
| 2015-09-09 | 882101-14897 | ND |
| 2015-12-07 | 897218-15524 | ND |
| 2015-12-08 | 897426-15524 | ND |
| 2015-12-15 | 898362-15550 | ND |