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EWG's Tap Water Database

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1,3-Butadiene

City of Chicago

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011N/A00N/A
2012N/A00N/A
2013N/A00N/A
2014ND60ND
2015ND20ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 0.0103 ppb

The health guideline of 0.0103 ppb for 1,3-butadiene was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.

ppb = parts per billion.

All test results

Date Lab ID Result
2014-04-283015710ND
2014-04-283015743ND
2014-08-133081747ND
2014-08-133081727ND
2014-10-073118975ND
2014-10-073118990ND
2015-01-133169383ND
2015-01-133169403ND