1,2,4-Trichlorobenzene
North Las Vegas Utilities
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 | 4 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 1 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-02-11 | 14020153-002 | ND |
2014-06-25 | 14060514-002 | ND |
2014-07-31 | 14070541-002 | ND |
2014-09-16 | 14090267-002 | ND |
2015-06-15 | 15060255-002 | ND |
2015-06-17 | 15060303-002 | ND |
2015-09-09 | 15090133-002 | ND |
2017-10-11 | S1707252002 | ND |
2018-01-22 | S1800641002 | ND |
2018-01-22 | S1800641003 | ND |
2018-09-12 | S1803646002 | ND |
2018-09-12 | S1803646003 | ND |