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EWG's Tap Water Database — 2019 UPDATE

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Bromochloromethane

Kempner WSC

Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND20ND
20140.0983 ppb32ND - 0.187 ppb
2015ND40ND
2016ND10ND
2017ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-08-07AB97394ND
2013-08-01Q1304801006ND
2013-12-11Q1316891001ND
2014-03-24Q14092970010.108 ppb
2014-08-05AC62131ND
2014-10-06Q14508820010.187 ppb
2015-03-30AC86583ND
2015-05-18AC92322ND
2015-08-20AD04880ND
2015-10-05AD09425ND
2016-01-14AD18295ND
2017-01-30AD67541ND