Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Mt. Joy Boro Authority

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND20ND
2020ND50ND
2021ND10ND
2022ND10ND
2023ND30ND

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
2019-08-209083654-01ND
2019-11-079110611-01ND
2020-02-2021802856.00ND
2020-02-2021981364.00ND
2020-02-2821981392.00ND
2020-03-0321981315.00ND
2020-04-0922171127.00ND
2021-01-1923849096.00ND
2022-06-0726995868.00ND
2023-05-1529059222.00ND
2023-05-1629059223.00ND
2023-06-0429260258.00ND