Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Southern Madison Utilities LLC

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

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

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
2018-02-132018021262ARV-1801ND
2018-05-1518071702RV-1802ND
2018-11-0118184316RV-1804ND
2019-02-1219025216ND
2019-05-1419092611RV-1902ND
2019-08-13191684RV-1903ND
2019-11-0119239119ND
2020-02-1020027919ND
2020-05-12200900-10ND
2020-08-11201579-07VND
2020-12-29202503-19VND
2021-02-09210245-19VND
2021-05-11210836-08VND
2021-08-10211507-10VND
2021-11-09212215-19VND
2022-02-01220195-19VND
2022-05-10220873-04ND
2022-08-09221594-19VND
2022-11-01222249-19VND
2023-02-14230294-10VND
2023-05-09230927-07VND
2023-08-15231719-08VND
2023-11-14232401-18VND