1,3-Butadiene
City of Tigard
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 4 | 0 | ND |
2015 | ND | 10 | 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 |
---|---|---|
2014-11-18 | 201411190626AM | ND |
2014-11-18 | 201411190283AM | ND |
2014-11-18 | 201411190464AM | ND |
2014-11-18 | 201411190583AM | ND |
2015-02-11 | 201502120590AM | ND |
2015-02-11 | 201502120592AM | ND |
2015-02-11 | 201502120588AM | ND |
2015-05-21 | 201505220142AM | ND |
2015-05-21 | 201505220150AM | ND |
2015-05-21 | 201505220138AM | ND |
2015-05-21 | 201505220140AM | ND |
2015-08-12 | 201508130523AM | ND |
2015-08-12 | 201508130519AM | ND |
2015-08-12 | 201508130521AM | ND |