1,2,4-Trichlorobenzene
Ridge Creek Water Company LLC
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 | N/A | 0 | 0 | N/A |
2015 | ND | 22 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 22 | 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 |
---|---|---|
2015-09-01 | AC55452 | ND |
2015-09-01 | AC55454 | ND |
2015-09-01 | AC55441 | ND |
2015-09-01 | AC55444 | ND |
2015-09-01 | AC55445 | ND |
2015-09-01 | AC55447 | ND |
2015-09-01 | AC55448 | ND |
2015-09-01 | AC55451 | ND |
2015-09-01 | AC55453 | ND |
2015-09-01 | AC55455 | ND |
2015-09-01 | AC55456 | ND |
2015-09-01 | AC55457 | ND |
2015-09-01 | AC55458 | ND |
2015-09-01 | AC55460 | ND |
2015-09-01 | AC55459 | ND |
2015-09-01 | AC55449 | ND |
2015-09-01 | AC55440 | ND |
2015-09-01 | AC55442 | ND |
2015-09-01 | AC55443 | ND |
2015-09-01 | AC55446 | ND |
2015-09-01 | AC55450 | ND |
2015-09-01 | AC55461 | ND |
2018-07-23 | AD29617 | ND |
2018-07-23 | AD29620 | ND |
2018-07-23 | AD29616 | ND |
2018-07-23 | AD29613 | ND |
2018-07-23 | AD29623 | ND |
2018-07-24 | AD29622 | ND |
2018-07-24 | AD29630 | ND |
2018-07-24 | AD29629 | ND |
2018-07-24 | AD29628 | ND |
2018-07-24 | AD29626 | ND |
2018-07-24 | AD29625 | ND |
2018-07-24 | AD29624 | ND |
2018-07-24 | AD29621 | ND |
2018-07-24 | AD29619 | ND |
2018-07-24 | AD29618 | ND |
2018-07-24 | AD29615 | ND |
2018-07-24 | AD29614 | ND |
2018-07-24 | AD29611 | ND |
2018-07-24 | AD29610 | ND |
2018-08-01 | AD31851 | ND |
2018-08-01 | AD31852 | ND |
2018-08-01 | AD31853 | ND |