1,2,3-Trichloropropane
Yolo County Housing Authority
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.
10
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 2 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 4 | 0 | ND |
| 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 |
|---|---|---|
| 2016-09-19 | 1233-001-0548 | ND |
| 2016-09-19 | 1233-002-0614 | ND |
| 2018-01-09 | 1233-002-1340 | ND |
| 2018-04-25 | 1233-002-0950 | ND |
| 2018-10-10 | 1233-002-1250 | ND |
| 2018-10-10 | 1233-009-1235 | ND |
| 2019-02-20 | 1233-009-0900 | ND |
| 2019-05-08 | 1233-001-0900 | ND |
| 2019-07-11 | 1233-002-0920 | ND |
| 2019-07-11 | 1233-009-0845 | ND |