1,2,4-Trichlorobenzene
Elmsford Village
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 | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2018-09-24 | AU20760POC | ND |
| 2019-05-03 | AV08922POCS | ND |
| 2019-11-13 | AV23866ELMS-POCS | ND |
| 2020-05-12 | AW08771POCS | ND |
| 2020-11-09 | AW21634POCS | ND |
| 2020-12-08 | AW23394-POCS | ND |
| 2020-12-08 | AW23392-POCS | ND |
| 2021-04-14 | AX07011-POCS | ND |
| 2021-09-20 | AX19184-POCS-ELM | ND |
| 2021-10-12 | AX20657-POCS | ND |
| 2021-10-12 | AX20659-POCS | ND |
| 2022-05-17 | AY08347-POCS | ND |
| 2022-10-13 | AY18507-POCS | ND |
| 2022-10-13 | AY18505-POCS | ND |
| 2022-10-28 | AY19476-POCS-ELM | ND |
| 2023-04-04 | AZ05872-POCS | ND |
| 2023-10-19 | AZ19384-POCS-ELM | ND |
| 2023-11-28 | AZ21644-POCS | ND |
| 2023-11-28 | AZ21646-POCS | ND |