1,2,3-Trichloropropane
Monterey Park Tract Community Services 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.
1
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 |
|---|---|---|---|---|
| 2018 | 0.0149 ppb | 41 | 23 | ND - 0.0470 ppb |
| 2019 | 0.00700 ppb | 27 | 8 | ND - 0.0420 ppb |
| 2020 | 0.00646 ppb | 37 | 8 | ND - 0.0430 ppb |
| 2021 | 0.00442 ppb | 45 | 8 | ND - 0.0290 ppb |
| 2022 | 0.00366 ppb | 62 | 14 | ND - 0.0347 ppb |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2023-12-26 | CA5000389_003_003-202312261015 | ND |