1,3-Butadiene
Exeter Water Department
8
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 | 6 | 0 | ND |
| 2014 | ND | 2 | 0 | ND |
| 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 |
|---|---|---|
| 2013-06-03 | 722824-9013 | ND |
| 2013-06-03 | 722804-9006 | ND |
| 2013-09-08 | 743141-9691 | ND |
| 2013-09-08 | 743143-9691 | ND |
| 2013-12-03 | 761598-10389 | ND |
| 2013-12-03 | 761600-10389 | ND |
| 2014-03-04 | 773036-10870 | ND |
| 2014-03-04 | 773034-10870 | ND |