1,2,4-Trichlorobenzene
Upper Saucon Township Water Supply
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 | 3 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-05-07 | 14033370-02 | ND |
| 2014-05-07 | 14033370-01 | ND |
| 2014-12-17 | 14100700-01 | ND |
| 2015-01-21 | 12322842 | ND |
| 2015-04-24 | 12924558 | ND |
| 2015-05-06 | 12790610 | ND |
| 2015-05-06 | 12790611 | ND |
| 2015-08-05 | 13172926 | ND |
| 2016-04-20 | 14149061 | ND |
| 2016-05-05 | 14298513 | ND |
| 2016-05-05 | 14298536 | ND |
| 2017-04-05 | 15986815 | ND |
| 2017-05-03 | 16144638 | ND |
| 2017-05-03 | 16144615 | ND |
| 2017-07-05 | 16459938 | ND |
| 2018-04-03 | 8041697-01 | ND |
| 2018-05-01 | 8041311-01 | ND |
| 2018-05-01 | 8041311-02 | ND |
| 2019-04-03 | 9041583-01 | ND |
| 2019-05-01 | 9041410-01 | ND |
| 2019-05-01 | 9041410-02 | ND |