1,2,4-Trichlorobenzene
Denver Water Board
1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 30 | 0 | ND |
2015 | ND | 8 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 42 | 0 | ND |
2018 | ND | 20 | 0 | ND |
2019 | ND | 10 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 5 ppb
The EWG Health Guideline of 5 ppb for 1,2,4-trichlorobenzene 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 hormone disruption.
EPA Maximum Contaminant
Level (MCL) 70 ppb
The legal limit for 1,2,4-trichlorobenzene, established in 1992, was based on a toxicity study in laboratory animals conducted in 1981. This limit may not fully protect against hormone disruption.
ppb = parts per billion
All test results
Date | Result |
---|---|
2014-01-07 | ND |
2014-04-08 | ND |
2014-04-08 | ND |
2014-05-06 | ND |
2014-05-06 | ND |
2014-05-27 | ND |
2014-05-27 | ND |
2014-05-27 | ND |
2014-06-03 | ND |
2014-06-03 | ND |
2014-06-03 | ND |
2014-07-08 | ND |
2014-07-08 | ND |
2014-07-08 | ND |
2014-08-05 | ND |
2014-08-05 | ND |
2014-08-05 | ND |
2014-08-18 | ND |
2014-08-18 | ND |
2014-08-18 | ND |
2014-09-02 | ND |
2014-09-02 | ND |
2014-09-02 | ND |
2014-10-07 | ND |
2014-10-07 | ND |
2014-11-04 | ND |
2014-11-04 | ND |
2014-11-20 | ND |
2014-11-20 | ND |
2014-12-02 | ND |
2015-01-06 | ND |
2015-02-03 | ND |
2015-02-03 | ND |
2015-02-18 | ND |
2015-02-18 | ND |
2015-03-03 | ND |
2015-03-03 | ND |
2015-03-03 | ND |
2016-03-08 | ND |
2016-03-08 | ND |
2016-03-08 | ND |
2017-01-03 | ND |
2017-01-03 | ND |
2017-02-07 | ND |
2017-02-07 | ND |
2017-02-28 | ND |
2017-03-07 | ND |
2017-03-07 | ND |
2017-03-07 | ND |
2017-03-07 | ND |
2017-04-04 | ND |
2017-04-04 | ND |
2017-05-09 | ND |
2017-05-09 | ND |
2017-05-09 | ND |
2017-05-16 | ND |
2017-06-06 | ND |
2017-06-06 | ND |
2017-06-06 | ND |
2017-06-27 | ND |
2017-06-27 | ND |
2017-06-27 | ND |
2017-07-05 | ND |
2017-07-05 | ND |
2017-07-05 | ND |
2017-08-08 | ND |
2017-08-08 | ND |
2017-08-08 | ND |
2017-08-22 | ND |
2017-08-29 | ND |
2017-08-29 | ND |
2017-09-05 | ND |
2017-09-05 | ND |
2017-09-05 | ND |
2017-10-03 | ND |
2017-10-03 | ND |
2017-10-03 | ND |
2017-11-07 | ND |
2017-11-07 | ND |
2017-11-07 | ND |
2017-12-05 | ND |
2017-12-05 | ND |
2017-12-05 | ND |
2018-01-02 | ND |
2018-01-02 | ND |
2018-01-02 | ND |
2018-01-29 | ND |
2018-02-06 | ND |
2018-02-06 | ND |
2018-03-05 | ND |
2018-03-06 | ND |
2018-03-07 | ND |
2018-03-13 | ND |
2018-04-10 | ND |
2018-04-10 | ND |
2018-06-05 | ND |
2018-06-05 | ND |
2018-06-05 | ND |
2018-09-04 | ND |
2018-09-04 | ND |
2018-09-04 | ND |
2018-12-04 | ND |
2018-12-04 | ND |
2019-03-05 | ND |
2019-03-05 | ND |
2019-06-04 | ND |
2019-06-04 | ND |
2019-06-04 | ND |
2019-09-10 | ND |
2019-09-10 | ND |
2019-09-10 | ND |
2019-12-03 | ND |
2019-12-03 | ND |