1,3-Butadiene
City of Hollister
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 |
|---|---|---|
| 2013-02-20 | A3B1556-16A | ND |
| 2013-02-20 | A3B1556-19A | ND |
| 2013-02-20 | A3B1556-13A | ND |
| 2013-02-20 | A3B1556-04A | ND |
| 2013-02-20 | A3B1556-01A | ND |
| 2013-02-20 | A3B1556-10A | ND |
| 2013-02-20 | A3B1556-07A | ND |
| 2013-05-30 | A3D1533-01A | ND |
| 2013-08-15 | A3G2471-09A | ND |
| 2013-08-15 | A3G2471-07A | ND |
| 2013-08-15 | A3G2471-11A | ND |
| 2013-08-15 | A3G2471-05A | ND |
| 2013-09-26 | A3I1281-02A | ND |
| 2013-09-26 | A3I1281-01A | ND |
| 2013-09-26 | A3I1281-03A | ND |
| 2013-11-14 | A3J1986-01A | ND |