1,3-Butadiene
Cal-am Water Company - Duarte
16
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 | 16 | 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 |
|---|---|---|
| 2013-03-06 | 21127001 | ND |
| 2013-03-06 | 21127101 | ND |
| 2013-03-06 | 21126801 | ND |
| 2013-03-12 | 21126401 | ND |
| 2013-03-12 | 21126901 | ND |
| 2013-03-13 | 21127201 | ND |
| 2013-03-13 | 21269901 | ND |
| 2013-03-13 | 21126501 | ND |
| 2013-09-10 | 23394801 | ND |
| 2013-09-10 | 23394901 | ND |
| 2013-09-10 | 23394301 | ND |
| 2013-09-10 | 23394401 | ND |
| 2013-09-10 | 23394201 | ND |
| 2013-09-10 | 23394701 | ND |
| 2013-09-10 | 23394601 | ND |
| 2013-09-10 | 23394501 | ND |