1,2,3-Trichloropropane
City of Hollister
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.
50
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 | 16 | 0 | ND |
| 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 | ND | 24 | 0 | ND |
| 2019 | ND | 10 | 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 |
|---|---|---|
| 2013-02-20 | A3B1556-01A | ND |
| 2013-02-20 | A3B1556-13A | ND |
| 2013-02-20 | A3B1556-19A | ND |
| 2013-02-20 | A3B1556-16A | ND |
| 2013-02-20 | A3B1556-10A | ND |
| 2013-02-20 | A3B1556-04A | ND |
| 2013-02-20 | A3B1556-07A | ND |
| 2013-05-30 | A3D1533-01A | ND |
| 2013-08-15 | A3G2471-05A | ND |
| 2013-08-15 | A3G2471-11A | ND |
| 2013-08-15 | A3G2471-09A | ND |
| 2013-08-15 | A3G2471-07A | ND |
| 2013-09-26 | A3I1281-01A | ND |
| 2013-09-26 | A3I1281-02A | ND |
| 2013-09-26 | A3I1281-03A | ND |
| 2013-11-14 | A3J1986-01A | ND |
| 2018-01-04 | 9590-007-0942 | ND |
| 2018-01-04 | 9590-006-1102 | ND |
| 2018-01-04 | 9590-005-0920 | ND |
| 2018-01-04 | 9590-002-1010 | ND |
| 2018-01-04 | 9590-001-1026 | ND |
| 2018-03-08 | 5867-007-1049 | ND |
| 2018-03-08 | 5867-001-0922 | ND |
| 2018-03-08 | 5867-006-1027 | ND |
| 2018-03-08 | 5867-002-0942 | ND |
| 2018-03-08 | 5867-005-0836 | ND |
| 2018-06-07 | 5867-001-1130 | ND |
| 2018-06-07 | 5867-006-1035 | ND |
| 2018-06-07 | 5867-007-1105 | ND |
| 2018-06-07 | 5867-002-1145 | ND |
| 2018-09-06 | 5867-001-0910 | ND |
| 2018-09-06 | 5867-007-0830 | ND |
| 2018-09-06 | 5867-002-0905 | ND |
| 2018-09-06 | 5867-006-1005 | ND |
| 2018-09-06 | 5867-005-1025 | ND |
| 2018-12-06 | 5867-005-0855 | ND |
| 2018-12-06 | 5867-001-0945 | ND |
| 2018-12-06 | 5867-002-0935 | ND |
| 2018-12-06 | 5867-007-0840 | ND |
| 2018-12-06 | 5867-006-0815 | ND |
| 2019-01-14 | 5867-005-0945 | ND |
| 2019-01-14 | 5867-002-0910 | ND |
| 2019-01-14 | 5867-007-0830 | ND |
| 2019-01-14 | 5867-001-0915 | ND |
| 2019-01-14 | 5867-006-0945 | ND |
| 2019-04-11 | 5867-002-1100 | ND |
| 2019-04-11 | 5867-005-0848 | ND |
| 2019-04-11 | 5867-007-0833 | ND |
| 2019-04-11 | 5867-001-1130 | ND |
| 2019-04-11 | 5867-006-0907 | ND |