1,2,3-Trichloropropane
Exeter Water Department
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.
18
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 | 6 | 0 | ND |
| 2014 | ND | 4 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 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 |
|---|---|---|
| 2013-06-03 | 722824-9013 | ND |
| 2013-06-03 | 722804-9006 | ND |
| 2013-09-08 | 743143-9691 | ND |
| 2013-09-08 | 743141-9691 | ND |
| 2013-12-03 | 761600-10389 | ND |
| 2013-12-03 | 761598-10389 | ND |
| 2014-03-04 | 773034-10870 | ND |
| 2014-03-04 | 773036-10870 | ND |
| 2014-07-09 | 133509.01 | ND |
| 2014-10-09 | 136708.02 | ND |
| 2015-07-16 | 145750.01 | ND |
| 2015-09-09 | 147823.01 | ND |
| 2015-11-18 | 150486.01 | ND |
| 2016-01-13 | 152193.01 | ND |
| 2016-04-07 | 154592.01 | ND |
| 2016-07-13 | 158246.01 | ND |
| 2016-07-21 | 158588.01 | ND |
| 2016-10-04 | 161298.01 | ND |