1,2,4-Trichlorobenzene
Wrightsville Beach Water System
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 | 6 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 7 | 0 | ND |
| 2018 | ND | 6 | 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 |
|---|---|---|
| 2014-06-13 | 37729_14-17204 | ND |
| 2014-06-13 | 37729_14-17203 | ND |
| 2014-12-09 | 37729_14-37163 | ND |
| 2014-12-09 | 37729_14-37165 | ND |
| 2014-12-09 | 37729_14-37166 | ND |
| 2014-12-09 | 37729_14-37167 | ND |
| 2017-06-09 | 37729_17-19349 | ND |
| 2017-06-09 | 37729_17-19353 | ND |
| 2017-09-15 | 37729_17-34078 | ND |
| 2017-10-16 | 37729_17-38737 | ND |
| 2017-10-16 | 37729_17-38739 | ND |
| 2017-10-16 | 37729_17-38738 | ND |
| 2017-10-16 | 37729_17-38736 | ND |
| 2018-03-15 | 37729_18-10179 | ND |
| 2018-03-15 | 37729_18-10181 | ND |
| 2018-03-15 | 37729_18-10182 | ND |
| 2018-03-15 | 37729_18-10183 | ND |
| 2018-06-07 | 37729_18-22872 | ND |
| 2018-09-26 | 37729_18-39385 | ND |
| 2019-04-26 | 37729_19-16995 | ND |
| 2019-09-25 | 37729_19-41852 | ND |