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EWG's Tap Water Database — 2021 UPDATE

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Tetrahydrofuran

Halfway Water Supply Corporation

Tetrahydrofuran is a solvent used for production of polyvinyl chloride (PVC) plastics and adhesives.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND10ND
2016ND30ND
2017ND20ND
20180.430 ppb21ND - 0.860 ppb
20190.560 ppb21ND - 1.12 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-04Q1403564001ND
2014-06-26Q1424208002ND
2014-09-03Q1441295002ND
2015-04-23Q1515199002ND
2016-03-17AD29325ND
2016-09-08Q1636368001ND
2016-09-08Q1636368003ND
2017-11-14Q1758338002ND
2017-11-14Q1758338008ND
2018-05-17Q1820244002ND
2018-05-17Q18202440040.860 ppb
2019-04-11Q19147030021.12 ppb
2019-04-11Q1914703004ND