1,3-Butadiene
City of Friendswood
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | ND | 15 | 0 | ND |
2014 | ND | 1 | 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 |
---|---|---|
2013-05-01 | 1305094-001E | ND |
2013-05-01 | 1305094-013E | ND |
2013-05-01 | 1305094-005E | ND |
2013-05-01 | 1305094-003E | ND |
2013-05-01 | 1305094-011E | ND |
2013-05-01 | 1305094-007E | ND |
2013-05-01 | 1305094-009E | ND |
2013-08-22 | Q1306099001 | ND |
2013-11-14 | Q1313371013 | ND |
2013-11-14 | Q1313371001 | ND |
2013-11-14 | Q1313371005 | ND |
2013-11-14 | Q1313371003 | ND |
2013-11-14 | Q1313371009 | ND |
2013-11-14 | Q1313371007 | ND |
2013-11-14 | Q1313371011 | ND |
2014-02-18 | Q1404903001 | ND |