1,2,4-Trichlorobenzene
Walnutport Authority
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 | 4 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 4 | 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 |
---|---|---|
2014-04-14 | 140014969 | ND |
2014-04-14 | 140014968 | ND |
2014-10-13 | 140046404 | ND |
2015-01-29 | 12324261 | ND |
2015-01-29 | 12324240 | ND |
2015-04-13 | 12670128 | ND |
2015-07-14 | 13052404 | ND |
2016-03-14 | 14023534 | ND |
2016-04-04 | 14151454 | ND |
2017-03-06 | 15839704 | ND |
2017-03-06 | 15839705 | ND |
2017-03-06 | 15839706 | ND |
2017-10-02 | 16775609 | ND |
2018-03-05 | 8005766-02 | ND |
2018-03-05 | 8005766-01 | ND |
2019-02-04 | 9003529-02 | ND |
2019-02-04 | 9003529-01 | ND |