1,2,4-Trichlorobenzene
Travis County WCID 17
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 | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 3 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-09-09 | AC66327 | ND |
2015-09-09 | AD06275 | ND |
2016-07-27 | AD46012 | ND |
2016-07-27 | AD46020 | ND |
2016-11-07 | AD56855 | ND |
2017-01-26 | AD67155 | ND |
2017-05-24 | AD85496 | ND |
2017-08-10 | AD92773 | ND |
2018-03-06 | AE16976 | ND |
2018-08-15 | AE37198 | ND |
2019-01-23 | AE50949 | ND |
2019-09-11 | AE83037 | ND |