1,2,4-Trichlorobenzene
City of Austin Water & Wastewater
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 | 2 | 0 | ND |
2015 | ND | 6 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 3 | 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 | Lab ID | Result |
---|---|---|
2014-08-19 | AC64332 | ND |
2014-08-19 | AC64304 | ND |
2015-03-23 | AC85661 | ND |
2015-05-28 | AC93641 | ND |
2015-09-01 | AD05216 | ND |
2015-09-01 | AD05218 | ND |
2015-09-01 | AD05224 | ND |
2015-11-17 | AD13846 | ND |
2016-02-25 | AD25739 | ND |
2016-09-08 | AD48510 | ND |
2016-09-08 | AD48512 | ND |
2017-03-09 | AD74430 | ND |
2017-08-01 | AD91611 | ND |
2017-08-01 | AD91609 | ND |
2018-02-06 | AE12498 | ND |
2018-08-02 | AE35598 | ND |
2018-08-02 | AE35600 | ND |
2019-02-07 | AE53484 | ND |
2019-08-15 | AE78986 | ND |
2019-08-15 | AE78984 | ND |