1,2,3-Trichloropropane
County Seat Gardens
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.
14
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 4 | 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 | Lab ID | Result |
|---|---|---|
| 2014-02-10 | S548425 | ND |
| 2014-02-10 | S548426 | ND |
| 2015-03-09 | S624926 | ND |
| 2015-03-09 | S624928 | ND |
| 2016-04-06 | S654836 | ND |
| 2016-04-06 | S654839 | ND |
| 2017-08-22 | 2257177004 | ND |
| 2017-08-22 | 2257178004 | ND |
| 2017-08-22 | S740992 | ND |
| 2017-08-22 | S740996 | ND |
| 2019-01-28 | S860821 | ND |
| 2019-01-28 | S860825 | ND |
| 2019-04-26 | S878844 | ND |
| 2019-04-26 | S878846 | ND |