1,3-Butadiene
City of San Juan
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 8 | 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 |
---|---|---|
2014-01-29 | Q1402780001 | ND |
2014-01-29 | Q1402780003 | ND |
2014-04-22 | Q1412613001 | ND |
2014-04-22 | Q1412613003 | ND |
2014-07-23 | Q1430206003 | ND |
2014-07-23 | Q1430206001 | ND |
2014-10-21 | Q1453178003 | ND |
2014-10-21 | Q1453178001 | ND |