1,2,4-Trichlorobenzene
West Winn Water System Inc.
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 | 14 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 14 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-02-03 | AD88840 | ND |
2014-02-03 | AD88838 | ND |
2014-02-03 | AD88837 | ND |
2014-02-03 | AD88839 | ND |
2014-02-03 | AD88840 | ND |
2014-02-03 | AD88841 | ND |
2014-02-03 | AD88839 | ND |
2014-02-03 | AD88838 | ND |
2014-02-03 | AD88837 | ND |
2014-02-03 | AD88841 | ND |
2014-02-24 | AD89382 | ND |
2014-02-24 | AD89381 | ND |
2014-02-24 | AD89381 | ND |
2014-02-24 | AD89382 | ND |
2017-01-11 | 35288762005 | ND |
2017-01-11 | 35288762004 | ND |
2017-01-11 | 35288762003 | ND |
2017-01-11 | 35288762002 | ND |
2017-01-11 | 35288762001 | ND |
2017-01-11 | 35288762002 | ND |
2017-01-11 | 35288762003 | ND |
2017-01-11 | 35288762004 | ND |
2017-01-11 | 35288762005 | ND |
2017-01-11 | 35288762001 | ND |
2017-09-26 | 35338631001 | ND |
2017-09-26 | 35338631002 | ND |
2017-09-26 | 35338631001 | ND |
2017-09-26 | 35338631002 | ND |