1,2,4-Trichlorobenzene
Oconee County - Watkinsville
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 | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2014-04-29 | AI38856 | ND |
| 2014-04-29 | AI38857 | ND |
| 2014-05-27 | AI41351 | ND |
| 2015-11-12 | AJ00940 | ND |
| 2016-08-17 | AJ23084 | ND |
| 2016-08-17 | AJ23085 | ND |
| 2016-08-17 | AJ23086 | ND |
| 2016-08-17 | AJ23087 | ND |
| 2016-08-17 | AJ23088 | ND |
| 2017-10-11 | AJ71271 | ND |
| 2017-10-11 | AJ71272 | ND |
| 2019-03-18 | AK13407 | ND |
| 2019-03-18 | AK13408 | ND |
| 2019-03-18 | AK13409 | ND |
| 2019-03-18 | AK13410 | ND |
| 2019-03-18 | AK13411 | ND |