1,3-Butadiene
Cal/Am Water Company - San Marino
20
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 | 19 | 0 | ND |
| 2015 | ND | 1 | 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 |
|---|---|---|
| 2014-05-12 | 25566601 | ND |
| 2014-05-13 | 25566701 | ND |
| 2014-05-13 | 25567001 | ND |
| 2014-05-13 | 25566901 | ND |
| 2014-05-13 | 25566401 | ND |
| 2014-05-14 | 25566801 | ND |
| 2014-05-14 | 25567301 | ND |
| 2014-05-19 | 25566501 | ND |
| 2014-07-14 | 25566301 | ND |
| 2014-08-12 | 26624501 | ND |
| 2014-11-04 | 27434901 | ND |
| 2014-11-05 | 27435301 | ND |
| 2014-11-05 | 27435701 | ND |
| 2014-11-10 | 27435401 | ND |
| 2014-11-10 | 27435001 | ND |
| 2014-11-12 | 27434801 | ND |
| 2014-11-12 | 27435101 | ND |
| 2014-11-12 | 27435201 | ND |
| 2014-11-24 | 27797001 | ND |
| 2015-02-02 | 28247101 | ND |