1,2,4-Trichlorobenzene
City of Lake Mary
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 |
---|---|---|---|---|
2014 | ND | 10 | 0 | ND |
2015 | 0.0175 ppb | 12 | 1 | ND - 0.210 ppb |
2016 | ND | 12 | 0 | ND |
2017 | ND | 12 | 0 | ND |
2018 | ND | 12 | 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 |
---|---|
2014-01-13 | ND |
2014-02-03 | ND |
2014-03-18 | ND |
2014-04-07 | ND |
2014-05-05 | ND |
2014-06-02 | ND |
2014-08-11 | ND |
2014-09-02 | ND |
2014-11-03 | ND |
2014-12-08 | ND |
2015-01-05 | ND |
2015-02-02 | ND |
2015-03-02 | ND |
2015-04-06 | ND |
2015-05-04 | ND |
2015-06-01 | 0.210 ppb |
2015-07-06 | ND |
2015-08-03 | ND |
2015-09-01 | ND |
2015-10-05 | ND |
2015-11-02 | ND |
2015-12-07 | ND |
2016-01-04 | ND |
2016-02-01 | ND |
2016-03-07 | ND |
2016-04-13 | ND |
2016-05-03 | ND |
2016-06-06 | ND |
2016-07-07 | ND |
2016-08-02 | ND |
2016-09-14 | ND |
2016-10-04 | ND |
2016-11-03 | ND |
2016-12-05 | ND |
2017-01-04 | ND |
2017-02-01 | ND |
2017-03-01 | ND |
2017-04-04 | ND |
2017-05-03 | ND |
2017-06-12 | ND |
2017-07-05 | ND |
2017-08-01 | ND |
2017-09-06 | ND |
2017-10-11 | ND |
2017-11-01 | ND |
2017-12-04 | ND |
2018-01-04 | ND |
2018-02-01 | ND |
2018-03-07 | ND |
2018-04-04 | ND |
2018-05-02 | ND |
2018-06-13 | ND |
2018-07-10 | ND |
2018-08-01 | ND |
2018-09-12 | ND |
2018-10-03 | ND |
2018-11-07 | ND |
2018-12-12 | ND |
2019-01-09 | ND |
2019-02-04 | ND |
2019-02-05 | ND |
2019-03-05 | ND |
2019-05-02 | ND |
2019-06-04 | ND |
2019-07-10 | ND |
2019-08-08 | ND |
2019-09-11 | ND |
2019-11-13 | ND |