1,2,3-Trichloropropane
City of Patterson
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | 0.00714 ppb | 14 | 1 | ND - 0.1000 ppb |
2014 | ND | 5 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 12 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | 0.00226 ppb | 35 | 10 | ND - 0.0110 ppb |
2019 | 0.00613 ppb | 8 | 7 | ND - 0.00900 ppb |
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 |
---|---|---|
2013-04-24 | A3D0757-07A | ND |
2013-04-24 | A3D0757-03A | ND |
2013-04-24 | A3D0757-11A | ND |
2013-04-24 | A3D0757-09A | ND |
2013-04-24 | A3D0757-13A | ND |
2013-04-24 | A3D0757-01A | ND |
2013-04-24 | A3D0757-05A | 0.1000 ppb |
2013-10-23 | A3I1246-08A | ND |
2013-10-23 | A3I1246-14A | ND |
2013-10-23 | A3I1246-12A | ND |
2013-10-23 | A3I1246-04A | ND |
2013-10-23 | A3I1246-01A | ND |
2013-10-23 | A3I1246-10A | ND |
2013-10-23 | A3I1246-06A | ND |
2014-03-11 | 5867-018-0928 | ND |
2014-05-13 | 5867-012-0900 | ND |
2014-06-10 | 5867-018-0930 | ND |
2014-09-09 | 5867-018-1005 | ND |
2014-12-09 | 5867-018-1146 | ND |
2015-03-12 | 5867-018-1224 | ND |
2016-07-26 | 5867-014-0715 | ND |
2016-07-26 | 5867-018-0721 | ND |
2016-07-26 | 5867-016-0730 | ND |
2016-07-26 | 5867-002-0841 | ND |
2016-07-26 | 5867-005-0744 | ND |
2016-10-18 | 5867-002-0917 | ND |
2016-10-18 | 5867-016-0919 | ND |
2016-10-18 | 5867-005-0846 | ND |
2016-10-18 | 5867-012-0906 | ND |
2016-10-18 | 5867-009-0945 | ND |
2016-10-18 | 5867-018-0928 | ND |
2016-10-18 | 5867-014-0937 | ND |
2018-02-13 | 5867-002-1000 | ND |
2018-02-13 | 5867-005-0930 | ND |
2018-02-13 | 5867-012-0940 | ND |
2018-02-13 | 5867-009-0827 | 0.00700 ppb |
2018-02-13 | 5867-018-0900 | ND |
2018-02-13 | 5867-014-0841 | ND |
2018-02-27 | 5867-016-0810 | ND |
2018-03-08 | 5867-009-0859 | ND |
2018-04-24 | 5867-009-0740 | 0.00700 ppb |
2018-05-15 | 5867-014-0755 | ND |
2018-05-15 | 5867-005-0830 | ND |
2018-05-15 | 5867-018-0805 | ND |
2018-05-15 | 5867-012-0840 | ND |
2018-05-15 | 5867-009-0745 | 0.00700 ppb |
2018-05-15 | 5867-002-0732 | ND |
2018-05-15 | 5867-016-0820 | ND |
2018-06-12 | 5867-009-0747 | 0.00900 ppb |
2018-07-03 | 5867-009-0920 | 0.00600 ppb |
2018-08-07 | 5867-016-0934 | ND |
2018-08-07 | 5867-014-0850 | ND |
2018-08-07 | 5867-005-0958 | ND |
2018-08-07 | 5867-012-0947 | ND |
2018-08-07 | 5867-018-0921 | ND |
2018-08-07 | 5867-002-0744 | ND |
2018-08-07 | 5867-009-0830 | 0.00800 ppb |
2018-09-04 | 5867-009-0902 | 0.00700 ppb |
2018-10-02 | 5867-009-0737 | 0.0110 ppb |
2018-11-06 | 5867-018-0825 | ND |
2018-11-06 | 5867-016-0845 | ND |
2018-11-06 | 5867-009-0755 | 0.00900 ppb |
2018-11-06 | 5867-014-0815 | ND |
2018-11-06 | 5867-005-0855 | ND |
2018-11-06 | 5867-012-0909 | ND |
2018-11-06 | 5867-002-0722 | ND |
2018-12-04 | 5867-009-0809 | 0.00800 ppb |
2019-01-29 | 5867-009-0855 | 0.00700 ppb |
2019-02-12 | 5867-009-0754 | 0.00600 ppb |
2019-03-05 | 5867-009-0850 | 0.00700 ppb |
2019-04-02 | 5867-009-0820 | 0.00800 ppb |
2019-05-07 | 5867-009-0840 | 0.00900 ppb |
2019-06-04 | 5867-009-0925 | 0.00500 ppb |
2019-08-06 | 5867-009-0800 | 0.00700 ppb |
2019-11-05 | 5867-009-0830 | ND |