1,2,4-Trichlorobenzene
Saegertown Borough
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 |
|---|---|---|---|---|
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 6 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2018-06-12 | 1814774-01 | ND |
| 2018-06-12 | 1814774-02 | ND |
| 2018-06-12 | 1814774-03 | ND |
| 2018-06-12 | 1814774-04 | ND |
| 2019-04-02 | 3026084002 | ND |
| 2019-04-02 | 3026084003 | ND |
| 2019-04-02 | 3026084004 | ND |
| 2019-04-02 | 3026084005 | ND |
| 2019-04-02 | 3026084006 | ND |
| 2019-04-02 | 3026084001 | ND |
| 2020-04-21 | 22138805.00 | ND |
| 2020-04-21 | 22138804.00 | ND |
| 2020-04-21 | 22138803.00 | ND |
| 2020-04-21 | 22138802.00 | ND |
| 2020-04-21 | 22138801.00 | ND |
| 2020-04-21 | 22138800.00 | ND |
| 2021-04-06 | 24360776.00 | ND |
| 2021-04-06 | 24360755.00 | ND |
| 2021-04-06 | 24360734.00 | ND |
| 2021-04-06 | 24360713.00 | ND |
| 2022-04-05 | 26574452.00 | ND |
| 2022-04-05 | 26574473.00 | ND |
| 2022-04-05 | 26574431.00 | ND |
| 2022-04-05 | 26574494.00 | ND |
| 2023-04-04 | 28822766.00 | ND |
| 2023-04-04 | 28822787.00 | ND |
| 2023-04-04 | 28822808.00 | ND |
| 2023-04-04 | 28822829.00 | ND |
| 2023-04-04 | 28822850.00 | ND |
| 2023-04-04 | 28822745.00 | ND |