1,2,4-Trichlorobenzene
Calcasieu Parish WW District 9 Carlyss
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 | 4 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 6 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 2 | 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 |
---|---|---|
2014-02-24 | AD89324 | ND |
2014-02-24 | AD89324 | ND |
2014-03-31 | AD90300 | ND |
2014-03-31 | AD90300 | ND |
2016-05-02 | 35242594003 | ND |
2016-05-02 | 35242594003 | ND |
2016-11-29 | 35280047006 | ND |
2016-11-29 | 35280047007 | ND |
2016-11-29 | 35280047006 | ND |
2016-11-29 | 35280047007 | ND |
2018-10-16 | 35425105001 | ND |
2018-10-16 | 35425105001 | ND |
2019-10-22 | 35507223001 | ND |
2019-10-22 | 35507223001 | ND |
2019-10-29 | 35508706001 | ND |
2019-10-29 | 35508706001 | ND |