1,2,4-Trichlorobenzene
Yadkinville, Town of
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 | 3 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2014-04-17 | C405035-02 | ND |
| 2014-08-21 | 92214421001VOC | ND |
| 2014-11-20 | 92226601001VOC | ND |
| 2015-02-12 | ND | |
| 2015-04-09 | ND | |
| 2015-05-21 | ND | |
| 2015-08-27 | ND | |
| 2015-12-03 | ND | |
| 2016-03-03 | 92288632001VOC | ND |
| 2016-05-12 | 92297456001VOC | ND |
| 2016-08-24 | 92310229001VOC | ND |
| 2016-10-06 | 92315212003VOC | ND |
| 2016-11-10 | 92319293003VOC | ND |
| 2017-02-16 | 92330326001VOC | ND |
| 2017-04-06 | 92336292005VOC | ND |
| 2017-05-11 | 92340219001VOC | ND |
| 2017-08-17 | 92351977002VOC | ND |
| 2017-11-16 | 92363793001VOC | ND |
| 2018-02-08 | 92372538001VOC | ND |
| 2018-04-05 | 92379790004VOC | ND |
| 2018-05-31 | 92386687001VOC | ND |
| 2018-08-23 | 92396902001VOC | ND |
| 2018-11-08 | 92406563001VOC | ND |
| 2019-02-14 | 92417751001_1271 | ND |
| 2019-05-30 | 92431146001_1271 | ND |
| 2019-08-22 | 92442598001_1271 | ND |
| 2019-10-10 | 92449202001_1271 | ND |
| 2019-11-14 | 92453830001_1271 | ND |