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EWG's Tap Water Database — 2021 UPDATE

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butylated hydroxyanisole

Walnut Creek SUD

Butylated hydroxyanisole, or BHA, is used as a food preservative. The chemical is considered a possible human carcinogen and classified by the European Union as an endocrine disruptor.

 

3

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-07-23A8G3656-01ND
2019-01-2235443932001SEA3ND
2019-04-2335463698001SEA4ND