1,2,4-Trichlorobenzene
Nas Whiting Field
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 | 36 | 0 | ND |
| 2019 | ND | 32 | 0 | ND |
| 2020 | ND | 33 | 0 | ND |
| 2021 | ND | 27 | 0 | ND |
| 2022 | ND | 22 | 0 | ND |
| 2023 | ND | 30 | 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 | Result |
|---|---|
| 2018-01-15 | ND |
| 2018-01-15 | ND |
| 2018-01-15 | ND |
| 2018-02-06 | ND |
| 2018-02-06 | ND |
| 2018-02-06 | ND |
| 2018-03-15 | ND |
| 2018-03-15 | ND |
| 2018-03-15 | ND |
| 2018-04-11 | ND |
| 2018-04-11 | ND |
| 2018-04-11 | ND |
| 2018-05-08 | ND |
| 2018-05-08 | ND |
| 2018-05-08 | ND |
| 2018-06-18 | ND |
| 2018-06-18 | ND |
| 2018-06-18 | ND |
| 2018-07-12 | ND |
| 2018-07-12 | ND |
| 2018-07-12 | ND |
| 2018-08-08 | ND |
| 2018-08-08 | ND |
| 2018-08-08 | ND |
| 2018-09-12 | ND |
| 2018-09-12 | ND |
| 2018-09-12 | ND |
| 2018-10-18 | ND |
| 2018-10-18 | ND |
| 2018-10-18 | ND |
| 2018-11-15 | ND |
| 2018-11-15 | ND |
| 2018-11-30 | ND |
| 2018-12-12 | ND |
| 2018-12-12 | ND |
| 2018-12-12 | ND |
| 2019-01-16 | ND |
| 2019-01-16 | ND |
| 2019-01-16 | ND |
| 2019-02-13 | ND |
| 2019-02-13 | ND |
| 2019-02-13 | ND |
| 2019-03-07 | ND |
| 2019-03-07 | ND |
| 2019-03-07 | ND |
| 2019-04-17 | ND |
| 2019-04-17 | ND |
| 2019-05-09 | ND |
| 2019-05-09 | ND |
| 2019-06-12 | ND |
| 2019-06-12 | ND |
| 2019-07-17 | ND |
| 2019-07-17 | ND |
| 2019-08-14 | ND |
| 2019-08-14 | ND |
| 2019-08-14 | ND |
| 2019-09-12 | ND |
| 2019-09-12 | ND |
| 2019-09-12 | ND |
| 2019-10-10 | ND |
| 2019-10-16 | ND |
| 2019-10-16 | ND |
| 2019-11-06 | ND |
| 2019-11-06 | ND |
| 2019-11-06 | ND |
| 2019-12-05 | ND |
| 2019-12-05 | ND |
| 2019-12-05 | ND |
| 2020-01-07 | ND |
| 2020-01-07 | ND |
| 2020-01-07 | ND |
| 2020-02-19 | ND |
| 2020-02-19 | ND |
| 2020-02-19 | ND |
| 2020-03-10 | ND |
| 2020-03-10 | ND |
| 2020-03-10 | ND |
| 2020-04-07 | ND |
| 2020-04-07 | ND |
| 2020-04-07 | ND |
| 2020-06-03 | ND |
| 2020-06-03 | ND |
| 2020-06-03 | ND |
| 2020-07-14 | ND |
| 2020-07-14 | ND |
| 2020-07-14 | ND |
| 2020-08-11 | ND |
| 2020-08-11 | ND |
| 2020-08-11 | ND |
| 2020-09-02 | ND |
| 2020-09-02 | ND |
| 2020-09-02 | ND |
| 2020-10-07 | ND |
| 2020-10-07 | ND |
| 2020-10-07 | ND |
| 2020-11-03 | ND |
| 2020-11-03 | ND |
| 2020-11-03 | ND |
| 2020-12-08 | ND |
| 2020-12-08 | ND |
| 2020-12-08 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-01-06 | ND |
| 2021-02-09 | ND |
| 2021-02-09 | ND |
| 2021-03-09 | ND |
| 2021-03-09 | ND |
| 2021-04-07 | ND |
| 2021-04-07 | ND |
| 2021-05-11 | ND |
| 2021-05-11 | ND |
| 2021-05-12 | ND |
| 2021-05-12 | ND |
| 2021-06-09 | ND |
| 2021-06-09 | ND |
| 2021-07-13 | ND |
| 2021-08-10 | ND |
| 2021-08-10 | ND |
| 2021-09-14 | ND |
| 2021-09-14 | ND |
| 2021-09-15 | ND |
| 2021-10-12 | ND |
| 2021-10-12 | ND |
| 2021-11-10 | ND |
| 2021-11-10 | ND |
| 2021-12-14 | ND |
| 2021-12-14 | ND |
| 2022-01-12 | ND |
| 2022-01-12 | ND |
| 2022-02-09 | ND |
| 2022-02-09 | ND |
| 2022-03-14 | ND |
| 2022-03-14 | ND |
| 2022-04-12 | ND |
| 2022-04-12 | ND |
| 2022-05-10 | ND |
| 2022-05-10 | ND |
| 2022-06-08 | ND |
| 2022-06-08 | ND |
| 2022-07-20 | ND |
| 2022-07-20 | ND |
| 2022-08-10 | ND |
| 2022-08-10 | ND |
| 2022-09-14 | ND |
| 2022-09-14 | ND |
| 2022-10-11 | ND |
| 2022-10-11 | ND |
| 2022-11-09 | ND |
| 2022-11-09 | ND |
| 2023-01-11 | ND |
| 2023-01-11 | ND |
| 2023-01-11 | ND |
| 2023-04-11 | ND |
| 2023-04-11 | ND |
| 2023-04-11 | ND |
| 2023-05-10 | ND |
| 2023-05-10 | ND |
| 2023-05-10 | ND |
| 2023-06-07 | ND |
| 2023-06-07 | ND |
| 2023-06-07 | ND |
| 2023-07-12 | ND |
| 2023-07-12 | ND |
| 2023-07-12 | ND |
| 2023-08-09 | ND |
| 2023-08-09 | ND |
| 2023-08-09 | ND |
| 2023-09-06 | ND |
| 2023-09-06 | ND |
| 2023-09-06 | ND |
| 2023-10-04 | ND |
| 2023-10-04 | ND |
| 2023-10-04 | ND |
| 2023-11-08 | ND |
| 2023-11-08 | ND |
| 2023-11-08 | ND |
| 2023-12-06 | ND |
| 2023-12-06 | ND |
| 2023-12-06 | ND |