Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Wugt - West Phoenix Estates 6 Domestic Water Improvement District

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND60ND
2022ND10ND
2023ND10ND

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
2018-07-18550-106216-1ND
2018-08-23201808230344VND
2019-07-03550-125397-1ND
2019-07-23201907230335VND
2020-07-07202007080179VND
2020-10-21550-151517-1ND
2021-01-06550-155831-1ND
2021-04-07202104090656VND
2021-06-03202106040081VND
2021-07-28550-167881-1ND
2021-08-04550-168364-1ND
2021-10-06550-1741840-1ND
2022-05-09380-1631-1ND
2023-04-19380-44360-1ND