1,2,3-Trichloropropane
Llanas Camp Four Water System
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.
6
Samples
0
Samples exceeding legal limit (MCL)
6
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 | N/A | 0 | 0 | N/A |
| 2018 | 0.0948 ppb | 4 | 4 | 0.0460 ppb - 0.140 ppb |
| 2019 | 0.0195 ppb | 2 | 2 | 0.0120 ppb - 0.0270 ppb |
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 |
|---|---|---|
| 2018-03-12 | 5806-001-1650 | 0.1000 ppb |
| 2018-04-04 | 5806-001-1825 | 0.0460 ppb |
| 2018-08-21 | 5806-001-1205 | 0.0930 ppb |
| 2018-10-15 | 5806-001-1340 | 0.140 ppb |
| 2019-01-09 | 5806-001-1120 | 0.0270 ppb |
| 2019-12-12 | 5806-001-1600 | 0.0120 ppb |