1,3-Dichloropropene
Concord Water Department
1,3-Dichloropropene is a volatile cancer-causing chemical primarily used as a nematocide to fumigate agricultural soils. It exists in two different forms: cis-1,3-dichloropropene and trans-1,3-dichloropropene.
39
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 7 | 0 | ND |
| 2015 | ND | 7 | 0 | ND |
| 2016 | ND | 7 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | ND | 7 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.2 ppb
The EWG Health Guideline of 0.2 ppb for 1,3-dichloropropene 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 |
|---|---|
| 2014-07-01 | 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 |
| 2019-09-18 | ND |