1,2,4-Trichlorobenzene
Lacenter Municipal Water Company
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 | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-03-05 | 4030148-01 | ND |
| 2014-04-15 | 4041058-01 | ND |
| 2014-07-15 | 4070964-01 | ND |
| 2014-10-14 | 4100878-01 | ND |
| 2015-02-10 | 5020475-01 | ND |
| 2015-06-16 | 5060718-01 | ND |
| 2015-08-13 | 5080938-01 | ND |
| 2015-10-27 | 5101798-01 | ND |
| 2016-02-16 | 6020905-01 | ND |
| 2016-05-17 | 6051260-01 | ND |
| 2016-08-02 | 6080200-01 | ND |
| 2016-08-02 | 6080199-01 | ND |
| 2016-10-11 | 6100601-01 | ND |
| 2017-02-21 | 7020791-01 | ND |
| 2017-06-29 | 7061768-01 | ND |
| 2017-08-08 | 7071940-01 | ND |
| 2017-10-24 | 7101580-01 | ND |
| 2018-02-13 | 8020208-01 | ND |
| 2018-04-25 | L8D0512-01 | ND |
| 2018-09-11 | L8I0189-01 | ND |
| 2018-10-02 | L8I1441-01 | ND |
| 2019-03-05 | L9B1462-01 | ND |
| 2019-04-09 | L9D0085-01 | ND |
| 2019-07-16 | L9G0853-01 | ND |
| 2019-11-05 | L9J1643-01 | ND |