1,2,4-Trichlorobenzene
Awc Valley Forge Crossing Mobile Home Park
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 | 2 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 7 | 0 | ND |
| 2019 | ND | 6 | 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 |
|---|---|---|
| 2014-09-09 | 2028134003 | ND |
| 2014-09-09 | 2028134001 | ND |
| 2015-06-01 | 12750223 | ND |
| 2015-06-01 | 12750244 | ND |
| 2015-06-01 | 12750265 | ND |
| 2016-05-04 | 14251484 | ND |
| 2016-05-04 | 14251507 | ND |
| 2017-02-10 | 15656099 | ND |
| 2017-02-10 | 15656120 | ND |
| 2018-04-12 | 1808892-01 | ND |
| 2018-04-12 | 1808892-03 | ND |
| 2018-04-12 | 1808892-02 | ND |
| 2018-09-18 | 2339349005 | ND |
| 2018-09-18 | 2339349003 | ND |
| 2018-09-18 | 2339349001 | ND |
| 2018-12-21 | 3007545001 | ND |
| 2019-03-22 | 3026957001 | ND |
| 2019-04-16 | 3028568002 | ND |
| 2019-04-16 | 3028568003 | ND |
| 2019-09-09 | 3056650002 | ND |
| 2019-10-04 | 3062099002 | ND |
| 2019-10-22 | 3065360002 | ND |