1,3-Butadiene
Crest Hill
14
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 | 7 | 0 | ND |
| 2015 | ND | 7 | 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 |
|---|---|---|
| 2014-09-18 | 3107819 | ND |
| 2014-09-18 | 3107887 | ND |
| 2014-09-18 | 3107606 | ND |
| 2014-09-22 | 3108798 | ND |
| 2014-09-22 | 3108845 | ND |
| 2014-09-22 | 3108889 | ND |
| 2014-09-23 | 3110253 | ND |
| 2015-03-24 | 3213402 | ND |
| 2015-03-24 | 3213371 | ND |
| 2015-03-24 | 3213245 | ND |
| 2015-03-24 | 3213391 | ND |
| 2015-03-24 | 3213467 | ND |
| 2015-03-24 | 3213453 | ND |
| 2015-05-28 | 3251319 | ND |