1,2,4-Trichlorobenzene
City of Pflugerville
1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 3 | 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 |
|---|---|---|
| 2014-08-27 | AC65275 | ND |
| 2015-02-11 | AC80239 | ND |
| 2015-02-11 | AC80241 | ND |
| 2015-08-17 | AD04381 | ND |
| 2016-04-28 | AD34684 | ND |
| 2016-07-25 | AD45460 | ND |
| 2016-11-29 | AD59401 | ND |
| 2017-01-24 | AD66466 | ND |
| 2017-08-17 | AD93410 | ND |
| 2017-08-17 | AD93412 | ND |
| 2018-03-08 | AE17573 | ND |
| 2018-08-14 | AE36973 | ND |
| 2018-08-14 | AE36975 | ND |
| 2019-02-14 | AE54604 | ND |
| 2019-02-14 | AE54628 | ND |
| 2019-08-19 | AE79322 | ND |