1,2,3-Trichloropropane
Cobles Corner
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.
9
Samples
0
Samples exceeding legal limit (MCL)
9
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 0.0284 ppb | 5 | 5 | 0.0180 ppb - 0.0440 ppb |
| 2019 | 0.0205 ppb | 4 | 4 | 0.0170 ppb - 0.0270 ppb |
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 |
|---|---|---|
| 2018-03-15 | 5810-002-0905 | 0.0280 ppb |
| 2018-03-27 | 5810-002-0905 | 0.0180 ppb |
| 2018-06-14 | 5810-002-1500 | 0.0330 ppb |
| 2018-09-20 | 5810-002-1540 | 0.0440 ppb |
| 2018-12-03 | 5810-002-1510 | 0.0190 ppb |
| 2019-03-04 | 5810-002-1510 | 0.0170 ppb |
| 2019-06-03 | 5810-002-1425 | 0.0190 ppb |
| 2019-09-09 | 5810-002-1435 | 0.0270 ppb |
| 2019-12-02 | 5810-002-1500 | 0.0190 ppb |