Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Paw Penn District

1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.

 

56

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND100ND
2020ND110ND
2021ND80ND
2022ND80ND
2023ND110ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-01-1138161501ND
2018-01-1138161101ND
2018-01-1138161401ND
2018-01-1138161301ND
2018-01-1138161201ND
2018-04-1139072601ND
2018-07-1640207301ND
2018-10-1741961701ND
2019-01-0942499201ND
2019-01-0942499601ND
2019-01-0942499501ND
2019-01-0942499401ND
2019-01-0942499301ND
2019-04-0143658101ND
2019-07-0845016101ND
2019-07-1545716201ND
2019-10-0746831501ND
2019-10-3143999801ND
2020-01-0621542685.00ND
2020-01-0621542533.00ND
2020-01-0621542643.00ND
2020-01-0621542601.00ND
2020-01-0621542622.00ND
2020-01-0621542554.00ND
2020-01-0621542575.00ND
2020-01-1521542664.00ND
2020-05-0622261490.00ND
2020-08-1722843887.00ND
2020-10-0823224108.00ND
2021-01-1423754056.00ND
2021-01-1423754035.00ND
2021-01-1423754098.00ND
2021-01-1423754077.00ND
2021-04-1424290656.00ND
2021-04-2124290985.00ND
2021-07-0124873768.00ND
2021-10-0625448155.00ND
2022-01-0525982971.00ND
2022-01-0525982893.00ND
2022-01-0525982927.00ND
2022-01-0525982950.00ND
2022-01-0525982874.00ND
2022-04-0626506756.00ND
2022-07-0527082961.00ND
2022-10-0627684628.00ND
2023-01-0528212787.00ND
2023-01-0528212886.00ND
2023-01-0528212865.00ND
2023-01-0528212811.00ND
2023-01-0528212832.00ND
2023-01-0528212774.00ND
2023-01-0528212910.00ND
2023-04-1328749304.00ND
2023-06-0729155729.00ND
2023-07-2029346695.00ND
2023-10-1229928195.00ND