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EWG's Tap Water Database — 2019 UPDATE

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1,2,4-Trichlorobenzene

Beverly Hills Water Department

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

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND40ND
2014ND40ND
2015ND20ND
2016ND40ND
2017ND10ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2012-11-089469-014-0415ND
2012-11-089469-012-0440ND
2012-11-089469-015-0345ND
2012-12-319469-013-1000ND
2013-11-079469-014-0010ND
2013-11-079469-015-0245ND
2013-11-079469-012-0115ND
2013-11-079469-013-0045ND
2014-11-139469-014-0945ND
2014-11-139469-013-0920ND
2014-11-139469-015-0812ND
2014-11-139469-012-0850ND
2015-10-139469-015-0840ND
2015-10-139469-013-0747ND
2016-11-219469-015-1019ND
2016-11-219469-014-1002ND
2016-11-219469-013-0947ND
2016-11-219469-012-0924ND
2017-10-129469-014-0805ND