1,2,4-Trichlorobenzene
Falmouth Water Department
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 4 | 0 | ND |
2016 | ND | 17 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 8 | 0 | ND |
2019 | ND | 6 | 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 | Result |
---|---|
2015-07-07 | ND |
2015-07-07 | ND |
2015-08-20 | ND |
2015-10-15 | ND |
2016-01-11 | ND |
2016-01-11 | ND |
2016-01-12 | ND |
2016-01-26 | ND |
2016-01-27 | ND |
2016-01-27 | ND |
2016-01-28 | ND |
2016-02-04 | ND |
2016-02-05 | ND |
2016-02-08 | ND |
2016-02-09 | ND |
2016-02-10 | ND |
2016-04-11 | ND |
2016-04-11 | ND |
2016-05-20 | ND |
2016-07-18 | ND |
2016-10-04 | ND |
2017-01-04 | ND |
2017-01-04 | ND |
2017-04-06 | ND |
2017-04-06 | ND |
2017-10-24 | ND |
2018-01-08 | ND |
2018-04-10 | ND |
2018-04-10 | ND |
2018-04-17 | ND |
2018-07-17 | ND |
2018-07-17 | ND |
2018-10-02 | ND |
2018-10-09 | ND |
2019-01-08 | ND |
2019-05-15 | ND |
2019-05-15 | ND |
2019-07-09 | ND |
2019-07-09 | ND |
2019-10-01 | ND |