Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Lehigh County Authority Allentown Division

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

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND50ND

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
2018-03-138023741-01ND
2018-03-138023741-02ND
2019-03-199024667-02ND
2019-03-199024667-01ND
2020-03-0421896263.00ND
2020-03-1121896284.00ND
2020-03-1821896333.00ND
2020-03-1821896309.00ND
2021-01-0623762406.00ND
2021-01-1323762429.00ND
2021-01-2023762452.00ND
2021-01-2023762475.00ND
2022-01-1025992196.00ND
2022-01-1925992217.00ND
2022-01-2525992240.00ND
2022-01-2525992261.00ND
2023-01-0428221617.00ND
2023-01-0928221640.00ND
2023-01-1828221663.00ND
2023-01-1828221686.00ND
2023-02-2228396006.00ND