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EWG's Tap Water Database — 2019 UPDATE

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Bromochloromethane

Oklahoma University

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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND350ND
2013ND520ND
2014ND10ND
20150.0327 ppb31ND - 0.0980 ppb
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-11-034K04045-01ND
2015-02-025B03004-01ND
2015-05-045E05079-010.0980 ppb
2015-08-045H04063-01ND