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EWG's Tap Water Database — 2021 UPDATE

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1,3,5-Trimethylbenzene

San Diego County Water Authority

1,3,5-trimethylbenzene is a neurotoxic, volatile chemical found in gasoline, and used as a solvent and paint thinner.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND40ND
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-059590-003-1102ND
2014-04-099590-003-1424ND
2014-07-249590-003-1229ND
2014-12-169590-003-1143ND
2014-12-299590-001-1010ND
2015-01-059590-003-1039ND
2015-04-089590-003-1429ND
2015-08-259590-003-1333ND
2015-10-209590-003-1202ND
2016-02-109590-003-1340ND
2016-06-169590-003-1435ND
2016-08-029590-003-1135ND
2016-11-299590-003-1309ND
2017-03-309590-003-1230ND
2017-06-149590-003-0942ND
2017-07-059590-003-1134ND
2017-10-169590-003-1305ND
2018-01-039590-003-1215ND
2018-04-109590-003-1230ND
2018-09-179590-003-1218ND
2018-10-019590-003-1326ND
2019-06-139590-003-1044ND
2019-09-179590-003-1230ND
2019-12-119590-003-0724ND