Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Perkasie Regional Authority

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

 

41

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND70ND
2019ND70ND
2020ND60ND
2021ND70ND
2022ND70ND
2023ND70ND

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
2018-03-068024485-02ND
2018-06-048052857-02ND
2018-09-048084662-02ND
2018-09-178093548-01ND
2018-09-178093548-03ND
2018-09-178093548-02ND
2018-12-038110453-02REND
2019-03-059023322-02ND
2019-06-049053891-02ND
2019-09-039084135-02ND
2019-11-119111441-02ND
2019-11-119111441-03ND
2019-11-119111441-01ND
2019-12-039113323-02ND
2020-03-0321828155.00ND
2020-06-2322393758.00ND
2020-09-0122778492.00ND
2020-09-0122778450.00ND
2020-09-0122778471.00ND
2020-12-0123344550.00ND
2021-03-0224041332.00ND
2021-06-0124619512.00ND
2021-09-2025201396.00ND
2021-09-2025201438.00ND
2021-09-2025201417.00ND
2021-09-2025201459.00ND
2021-12-0725746101.00ND
2022-03-0126270330.00ND
2022-06-2126824202.00ND
2022-08-1627213694.00ND
2022-08-1627213742.00ND
2022-08-1627213719.00ND
2022-09-1927420614.00ND
2022-12-0627980826.00ND
2023-03-0728503183.00ND
2023-06-0629088270.00ND
2023-09-0529681584.00ND
2023-09-1929681587.00ND
2023-09-1929681586.00ND
2023-09-1929681585.00ND
2023-12-0530228240.00ND