1,2,3-Trichloropropane
City of Pleasanton
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.
22
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 |
|---|---|---|---|---|
| 2013 | ND | 4 | 0 | ND |
| 2014 | ND | 6 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 10 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2013-11-04 | A3J1387-05A | ND |
| 2013-11-04 | A3J1387-07A | ND |
| 2013-11-04 | A3J1387-03A | ND |
| 2013-11-04 | A3J1387-01A | ND |
| 2014-02-04 | A4A1345-01A | ND |
| 2014-05-06 | A4D1733-01A | ND |
| 2014-05-13 | A4D1730-05A | ND |
| 2014-05-13 | A4D1730-01A | ND |
| 2014-05-13 | A4D1730-03A | ND |
| 2014-08-05 | A4G1502-01A | ND |
| 2018-02-05 | 5810-004-1113 | ND |
| 2018-02-05 | 5810-002-0959 | ND |
| 2018-05-10 | 5867-004-0721 | ND |
| 2018-05-10 | 5867-002-0812 | ND |
| 2018-08-15 | 5867-004-0915 | ND |
| 2018-08-15 | 5867-001-0832 | ND |
| 2018-08-15 | 5867-002-0855 | ND |
| 2018-11-15 | 5867-004-0804 | ND |
| 2018-11-29 | 5867-002-1111 | ND |
| 2018-11-29 | 5867-001-1111 | ND |
| 2019-02-21 | 5867-001-0830 | ND |
| 2019-05-09 | 5867-001-0900 | ND |