1,2,3-Trichloropropane
City of Troy
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.
15
Samples
0
Samples exceeding legal limit (MCL)
1
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | 0.120 ppb | 2 | 1 | ND - 0.240 ppb |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 6 | 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 |
|---|---|---|
| 2018-01-17 | AE09109 | ND |
| 2018-01-17 | AE09125 | ND |
| 2019-04-01 | AE60685 | ND |
| 2020-04-29 | AF08566 | ND |
| 2021-04-08 | AF49431 | ND |
| 2021-04-08 | AF49433 | 0.240 ppb |
| 2022-08-02 | AG07367 | ND |
| 2022-11-21 | AG19434 | ND |
| 2022-11-21 | AG19464 | ND |
| 2023-02-08 | AG28004 | ND |
| 2023-02-08 | AG28066 | ND |
| 2023-04-05 | AG35611 | ND |
| 2023-04-05 | AG35649 | ND |
| 2023-08-21 | AG53186 | ND |
| 2023-08-21 | AG53198 | ND |