1,2,4-Trichlorobenzene
College Township Water Authority
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 | 2 | 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 |
---|---|---|
2014-03-04 | 4C05048-01 | ND |
2014-03-04 | 4C05048-02 | ND |
2015-09-09 | 13314022 | ND |
2015-09-09 | 13314043 | ND |
2016-06-02 | 14470576 | ND |
2016-10-13 | 15137790 | ND |
2017-02-23 | 15708864 | ND |
2017-10-16 | 16936505 | ND |
2018-08-22 | (103) SPRING | ND |
2018-11-27 | (104) | ND |
2019-08-26 | (103) SPRING | ND |
2019-11-25 | 9K29022-01 | ND |