1,2,4-Trichlorobenzene
Elderville Water Supply Corporation
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 | 3 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-06-04 | Q1419300005 | ND |
2014-06-04 | Q1419300003 | ND |
2014-07-24 | Q1430822003 | ND |
2015-02-17 | Q1506272001 | ND |
2015-02-17 | Q1506272004 | ND |
2015-08-03 | Q1529853002 | ND |
2016-01-13 | Q1601477002 | ND |
2016-01-13 | Q1601477004 | ND |
2017-01-10 | Q1701120001 | ND |
2017-10-05 | Q1749178006 | ND |
2018-01-10 | Q1801269002 | ND |
2018-01-10 | Q1801269004 | ND |
2019-09-05 | Q1962426001 | ND |