1,2,4-Trichlorobenzene
Woodcrest Apartments
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 | 3 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 6 | 0 | ND |
2018 | ND | 5 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2014-03-28 | 03281403 | ND |
2014-08-04 | EHS1400023423POC | ND |
2014-12-30 | 12301404 | ND |
2015-03-11 | WC15409 | ND |
2015-06-26 | 06261502-3 | ND |
2015-08-31 | WC151647 | ND |
2015-12-22 | 12221503-1 | ND |
2016-03-21 | WC16504 | ND |
2016-06-28 | 06281605 | ND |
2016-07-27 | 07271601B | ND |
2016-10-28 | DW163957 | ND |
2017-03-28 | WC170683 | ND |
2017-07-27 | WC171647 | ND |
2017-08-29 | TB172034-POC | ND |
2017-10-27 | WC172763 | ND |
2017-11-30 | WA173000 | ND |
2017-12-04 | EHS1700059078-01 | ND |
2018-03-14 | WC180463 | ND |
2018-04-27 | 04271803C | ND |
2018-07-31 | WC181564 | ND |
2018-08-29 | TB181899-POC | ND |
2018-11-29 | IT182710 | ND |
2019-02-28 | 02281917 | ND |
2019-06-27 | WC191458 | ND |
2019-07-31 | 07311904-POC | ND |
2019-10-31 | 10311905 | ND |