1,2,3-Trichloropropane
California State University Fresno
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.
17
Samples
0
Samples exceeding legal limit (MCL)
3
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | 0.0533 ppb | 3 | 1 | ND - 0.160 ppb |
| 2014 | 0.0633 ppb | 3 | 1 | ND - 0.190 ppb |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 0.001000 ppb | 10 | 1 | ND - 0.01000 ppb |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2013-11-18 | A3K0912-01A | ND |
| 2013-11-18 | A3K0912-03A | 0.160 ppb |
| 2013-11-18 | A3K0912-02A | ND |
| 2014-02-13 | A4A1468-01A | ND |
| 2014-02-13 | A4A1468-03A | 0.190 ppb |
| 2014-04-28 | A4D2223-01A | ND |
| 2018-03-23 | 5810-005-1305 | 0.01000 ppb |
| 2018-03-23 | 5810-011-1245 | ND |
| 2018-04-04 | 5810-005-0759 | ND |
| 2018-04-09 | 5810-005-0938 | ND |
| 2018-04-10 | 5810-005-0751 | ND |
| 2018-05-25 | 5810-011-1000 | ND |
| 2018-07-06 | 5810-011-0713 | ND |
| 2018-07-06 | 5810-005-0733 | ND |
| 2018-10-01 | 5810-011-0826 | ND |
| 2018-10-01 | 5810-005-0904 | ND |
| 2019-01-10 | 5810-005-0940 | ND |