1,2,3-Trichloropropane
Concord Water Department
1,2,3-Trichloropropane is a potent carcinogen that contaminates drinking water in agricultural regions where it was historically used as soil fumigant. Click here to read more about carcinogenic VOCs.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 17 | 0 | ND |
2015 | ND | 7 | 0 | ND |
2016 | ND | 7 | 0 | ND |
2017 | ND | 6 | 0 | ND |
2018 | ND | 7 | 0 | ND |
2019 | ND | 7 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.0007 ppb
The EWG Health Guideline of 0.0007 ppb for 1,2,3-trichloropropane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
Date | Result |
---|---|
2014-01-16 | ND |
2014-01-16 | ND |
2014-01-16 | ND |
2014-01-23 | ND |
2014-01-23 | ND |
2014-07-01 | ND |
2014-07-07 | ND |
2014-07-07 | ND |
2014-07-09 | ND |
2014-07-09 | ND |
2014-07-09 | ND |
2014-07-15 | ND |
2014-07-15 | ND |
2014-07-15 | ND |
2014-07-28 | ND |
2014-08-13 | ND |
2014-08-25 | ND |
2015-07-01 | ND |
2015-07-15 | ND |
2015-07-16 | ND |
2015-07-16 | ND |
2015-07-23 | ND |
2015-09-14 | ND |
2015-09-29 | ND |
2016-07-26 | ND |
2016-08-10 | ND |
2016-08-18 | ND |
2016-08-25 | ND |
2016-08-25 | ND |
2016-09-13 | ND |
2016-09-29 | ND |
2017-07-03 | ND |
2017-07-31 | ND |
2017-08-14 | ND |
2017-08-25 | ND |
2017-08-28 | ND |
2017-09-18 | ND |
2018-07-11 | ND |
2018-07-16 | ND |
2018-07-25 | ND |
2018-07-26 | ND |
2018-07-26 | ND |
2018-08-28 | ND |
2018-08-28 | ND |
2019-07-01 | ND |
2019-07-01 | ND |
2019-07-03 | ND |
2019-07-11 | ND |
2019-07-26 | ND |
2019-07-31 | ND |
2019-09-18 | ND |