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EWG's Tap Water Database — 2019 UPDATE

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1,2,4-Trichlorobenzene

Lee County WSC

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

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND20ND
2014ND40ND
2015ND80ND
2016ND80ND
2017ND90ND

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
2012-01-11AB77453ND
2012-01-11AB77451ND
2013-10-14Q1308854031ND
2013-10-14Q1308854019ND
2014-02-25AC44512ND
2014-02-25AC44508ND
2014-05-13AC53987ND
2014-05-13AC53985ND
2015-03-04AC82924ND
2015-03-04AC82930ND
2015-03-04AC82926ND
2015-03-04AC82932ND
2015-03-04AC82934ND
2015-03-04AC82892ND
2015-06-17AC96390ND
2015-06-17AC96380ND
2016-01-27AD20413ND
2016-01-27AD20415ND
2016-01-27AD20423ND
2016-01-27AD20427ND
2016-04-12AD32845ND
2016-04-12AD32843ND
2016-09-08AD48502ND
2016-10-31AD55564ND
2017-01-30AD67539ND
2017-01-30AD67529ND
2017-01-30AD67533ND
2017-05-04AD82775ND
2017-05-04AD82781ND
2017-05-04AD82777ND
2017-05-30AD85893ND
2017-07-24AD90394ND
2017-10-04AD99282ND