1,2,4-Trichlorobenzene
Solano Irrigation District - Pleasant Hills Ranch
1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-03-12 | 5810-001-1110 | ND |
2014-03-12 | 5810-003-1155 | ND |
2015-03-17 | 5810-001-1120 | ND |
2015-03-17 | 5810-003-1030 | ND |
2016-03-16 | 5810-001-1020 | ND |
2016-03-16 | 5810-003-0920 | ND |
2017-03-15 | 5810-001-1140 | ND |
2017-03-15 | 5810-003-1050 | ND |
2018-03-13 | 5810-001-0825 | ND |
2018-03-13 | 5810-003-0855 | ND |
2018-05-10 | 5810-004-1015 | ND |
2018-08-23 | 5810-004-0920 | ND |
2018-11-15 | 5810-004-1120 | ND |
2019-03-11 | 5810-001-1000 | ND |
2019-03-11 | 5810-003-0810 | ND |