1,2,3-Trichloropropane
Fcsa #39 A&b
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.
0
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 | 0.00515 ppb | 502 | 87 | ND - 0.0840 ppb |
| 2019 | 0.00363 ppb | 175 | 36 | ND - 0.0510 ppb |
| 2020 | 0.00370 ppb | 390 | 51 | ND - 0.00760 ppb |
| 2021 | 0.000640 ppb | 225 | 51 | ND - 0.00730 ppb |
| 2022 | 0.00107 ppb | 144 | 65 | ND - 0.0180 ppb |
| 2023 | 0.00410 ppb | 307 | 97 | ND - 0.0140 ppb |
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 |
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