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EWG's Tap Water Database — 2021 UPDATE

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Quinoline

San Francisco City Water System

Quinoline is an industrial chemical used to manufacture other products, including dyes. Exposure to quinoline may harm the liver, and it is classified as a possible human carcinogen.

 

23

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
20180.0762 ppb228ND - 1.50 ppb
20190.440 ppb110.440 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-22201801230577ND
2018-01-222018012305750.0286 ppb
2018-01-222018012305830.0240 ppb
2018-01-222018012307630.0262 ppb
2018-01-222018012305880.0274 ppb
2018-01-222018012307540.0235 ppb
2018-04-23201804240634ND
2018-04-23201804240635ND
2018-04-23201804240646ND
2018-04-23201804240633ND
2018-06-07201806080877ND
2018-06-07201806080878ND
2018-07-23201807240392ND
2018-07-23201807240390ND
2018-08-30201808310449ND
2018-08-30201808310471ND
2018-09-192018092005300.0250 ppb
2018-09-192018092005401.50 ppb
2018-11-26201811270386ND
2018-11-26201811270385ND
2018-12-112018121203580.0220 ppb
2018-12-11201812120277ND
2019-01-152019011701510.440 ppb