Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Pilot Mountain, Town of

NOTE: Pilot Mountain, Town of purchases water from City of Mount Airy which is required to test for 1,2,4-trichlorobenzene. Sample information shown below was taken by City of Mount Airy.

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

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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

NOTE: Pilot Mountain, Town of purchases water from City of Mount Airy which is required to test for 1,2,4-trichlorobenzene. Sample information shown below was taken by City of Mount Airy.

Date Lab ID Result
2018-01-3045855-03ND
2018-01-3045855-06ND
2020-01-2877782-03ND
2020-01-2877782-07ND
2021-01-26189-21ND
2021-01-26192-21ND
2022-01-25255-22ND
2022-01-25258-22ND
2023-02-0737729_23-06135ND
2023-02-0737729_23-06136ND