1,2,3-Trichloropropane
Marin Municipal Water District
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.
11
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 |
|---|---|---|---|---|
| 2013 | ND | 3 | 0 | ND |
| 2014 | ND | 7 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2013-11-04 | 1311122-001A | ND |
| 2013-11-04 | 1311120-001A | ND |
| 2013-11-04 | 1311121-001A | ND |
| 2014-02-03 | 1402080-001A | ND |
| 2014-02-03 | 1402079-001A | ND |
| 2014-05-05 | 1405197-001A | ND |
| 2014-05-05 | 1405195-001A | ND |
| 2014-05-05 | 1405196-001A | ND |
| 2014-08-04 | 1408126-001A | ND |
| 2014-08-04 | 1408125-001A | ND |
| 2015-05-04 | 1644-005-0815 | ND |