1,2,4-Trichlorobenzene
Green Acres W/a-south
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 | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-01-21 | 140122-034VO | ND |
| 2014-04-14 | 140415-013VO | ND |
| 2014-07-23 | 140724-009VO | ND |
| 2014-10-13 | 141014-009VO | ND |
| 2015-02-24 | 150225-002VO | ND |
| 2015-04-20 | 150421-024VO | ND |
| 2015-07-20 | 150721-025VO | ND |
| 2015-10-27 | 151028-001VO | ND |
| 2016-02-22 | 160223-016VO | ND |
| 2016-04-11 | 160412-005VO | ND |
| 2016-09-26 | 160927-011VO | ND |
| 2016-12-06 | 161207-024VO | ND |
| 2017-03-01 | 170302-010VO | ND |
| 2017-05-15 | 170516-012VO | ND |
| 2017-07-24 | 170725-017VO | ND |
| 2017-11-14 | 171115-002VO | ND |
| 2018-03-20 | 180321-001VO | ND |
| 2018-04-24 | 180425-014VO | ND |
| 2018-08-06 | 180807-005VO | ND |
| 2018-10-29 | 181030-005VO | ND |
| 2019-02-19 | 190220-002VO | ND |
| 2019-04-23 | 190424-013VO | ND |
| 2019-08-05 | 190806-004VO | ND |