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EWG's Tap Water Database — 2019 UPDATE

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Perfluorobutane sulfonate (PFBS)

City of Scottsdale

Perfluorobutane sulfonate (PFBS) is a member of a group of perfluorinated chemicals used in many consumer products. PFOS and other perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND210ND
2015ND10ND
2016N/A00N/A
2017N/A00N/A

ppt = parts per trillion

State and national drinking water standards and health guidelines

EWG Health Guideline 1 ppt

The EWG Health Guideline of 1 ppt for perfluorobutane sulfonate was defined by EWG based on studies by Phillipe Grandjean of Harvard University and many other independent researchers who found reduced effectiveness of vaccines and adverse impacts on mammary gland development from exposure to PFOA and PFOS, the two PFAS most widely detected in drinking water. This health guideline applies to the entire class of PFAS detected in water.

ppt = parts per trillion

All test results

Date Lab ID Result
2014-02-10201402100091AMND
2014-02-10201402100087AMND
2014-02-10201402100085AMND
2014-02-10201402100089AMND
2014-02-11201402120493AMND
2014-02-12201402120499AMND
2014-02-13201402130341AMND
2014-02-13201402130339AMND
2014-05-14201405140663AMND
2014-05-14201405140673AMND
2014-08-05201408050565AMND
2014-08-05201408050563AMND
2014-08-05201408050592AMND
2014-08-07201408070363AMND
2014-08-07201408070361AMND
2014-08-14201408140538AMND
2014-08-21201408220384AMND
2014-08-26201408260309AMND
2014-08-27201408270707AMND
2014-11-10201411100071AMND
2014-11-10201411100059AMND
2015-03-05201503050032AMND