1,2,3-Trichloropropane
San Juan Bautista, City Of
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.
16
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 | N/A | 0 | 0 | N/A |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 9 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2017-07-19 | 5867-001-0805 | ND |
| 2017-07-19 | 5867-002-0720 | ND |
| 2017-10-05 | 5867-001-0735 | ND |
| 2017-10-05 | 5867-002-0830 | ND |
| 2018-01-17 | 5867-001-0809 | ND |
| 2018-01-17 | 5867-002-0825 | ND |
| 2018-01-30 | 5867-009-1430 | ND |
| 2018-03-29 | 5867-009-1200 | ND |
| 2018-04-11 | 5867-001-1025 | ND |
| 2018-06-11 | 5867-009-1120 | ND |
| 2018-09-17 | 9588-009-1033 | ND |
| 2018-10-05 | 9588-010-0844 | ND |
| 2018-10-22 | 9588-009-1125 | ND |
| 2019-01-23 | 9588-010-1124 | ND |
| 2019-04-01 | 9588-010-1055 | ND |
| 2019-08-19 | 9588-010-0915 | ND |