1,2,4-Trichlorobenzene
Goodhue County Coop Electric
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 18 | 0 | ND |
| 2019 | ND | 6 | 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 |
|---|---|---|
| 2018-05-15 | 18E1232-02 | ND |
| 2018-05-15 | 18E1232-03 | ND |
| 2018-05-15 | 18E1232-04 | ND |
| 2018-05-15 | 18E1236-01 | ND |
| 2018-05-15 | 18E1236-02 | ND |
| 2018-05-15 | 18E1232-01 | ND |
| 2018-08-07 | 18H0514-01 | ND |
| 2018-08-07 | 18H0514-02 | ND |
| 2018-08-07 | 18H0517-01 | ND |
| 2018-08-07 | 18H0517-02 | ND |
| 2018-08-07 | 18H0517-03 | ND |
| 2018-08-07 | 18H0517-04 | ND |
| 2018-10-31 | 18J1579-01 | ND |
| 2018-10-31 | 18J1582-02 | ND |
| 2018-10-31 | 18J1582-01 | ND |
| 2018-10-31 | 18J1579-04 | ND |
| 2018-10-31 | 18J1579-03 | ND |
| 2018-10-31 | 18J1579-02 | ND |
| 2019-03-25 | 19C1063-02 | ND |
| 2019-03-25 | 19C1063-03 | ND |
| 2019-03-25 | 19C1063-04 | ND |
| 2019-03-25 | 19C1064-01 | ND |
| 2019-03-25 | 19C1064-02 | ND |
| 2019-03-25 | 19C1064-03 | ND |