1,3-Butadiene
San Lorenzo Valley Water District
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 16 | 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 |
---|---|---|
2014-01-21 | 201401230103AM | ND |
2014-01-21 | 201401230101AM | ND |
2014-01-22 | 201401280185AM | ND |
2014-01-22 | 201401280188AM | ND |
2014-01-27 | 201401290321AM | ND |
2014-01-28 | 201401300128AM | ND |
2014-01-28 | 201401300126AM | ND |
2014-04-23 | 201404250083AM | ND |
2014-07-09 | 201407110260AM | ND |
2014-07-09 | 201407110262AM | ND |
2014-07-15 | 201407170536AM | ND |
2014-07-16 | 201407180184AM | ND |
2014-07-16 | 201407180199AM | ND |
2014-07-16 | 201407180197AM | ND |
2014-07-16 | 201407180201AM | ND |
2014-10-14 | 201410160335AM | ND |