1,2,4-Trichlorobenzene
Schwenksville Borough 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 | 6 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 8 | 0 | ND |
2019 | ND | 5 | 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 |
---|---|---|
2014-03-13 | 140010537 | ND |
2014-03-13 | 140010536 | ND |
2014-03-13 | 140010540 | ND |
2014-03-13 | 140010539 | ND |
2014-03-13 | 140010538 | ND |
2014-10-07 | 140045435 | ND |
2015-02-05 | 12402643 | ND |
2015-02-05 | 12402665 | ND |
2015-02-05 | 12402688 | ND |
2015-02-05 | 12402717 | ND |
2015-06-04 | 12883400 | ND |
2016-03-03 | 13987029 | ND |
2016-03-03 | 13987004 | ND |
2016-03-03 | 13986978 | ND |
2016-06-02 | 14406547 | ND |
2017-01-26 | 15656656 | ND |
2017-01-26 | 15656655 | ND |
2017-06-01 | 16095925 | ND |
2017-12-18 | 17163148 | ND |
2017-12-18 | 17163126 | ND |
2018-01-31 | 8002367-04 | ND |
2018-01-31 | 8002367-01 | ND |
2018-01-31 | 8002367-02 | ND |
2018-01-31 | 8002367-03 | ND |
2018-04-16 | 8010173-01 | ND |
2018-05-04 | 8012268-01 | ND |
2018-07-16 | 8019952-01 | ND |
2018-10-15 | 8029253-01 | ND |
2019-02-01 | 9003521-04 | ND |
2019-02-01 | 9003521-01 | ND |
2019-02-01 | 9003521-02 | ND |
2019-02-01 | 9003521-03 | ND |
2019-05-01 | 9013602-01 | ND |