1,2,4-Trichlorobenzene
Dobbin Plantersville Water Supply Corporation 1
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 | N/A | 0 | 0 | N/A |
2015 | ND | 3 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 3 | 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 |
---|---|---|
2015-04-13 | AC87981 | ND |
2015-04-13 | AC87985 | ND |
2015-04-13 | AC87987 | ND |
2016-03-21 | AD29669 | ND |
2016-03-21 | AD29617 | ND |
2016-03-21 | AD29611 | ND |
2016-08-23 | AD47453 | ND |
2016-10-26 | AD54817 | ND |
2017-01-09 | AD63575 | ND |
2017-01-09 | AD63635 | ND |
2017-01-09 | AD63569 | ND |
2018-01-08 | AE08068 | ND |
2018-01-08 | AE08064 | ND |
2018-01-08 | AE08070 | ND |
2019-01-10 | AE49359 | ND |
2019-01-10 | AE49357 | ND |
2019-01-10 | AE49365 | ND |