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EWG's Tap Water Database — 2021 UPDATE

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Asbestos

Pasadena

Asbestos is a mineral fiber introduced into water by the dissolution of asbestos-containing minerals and from decay of asbestos cement in water mains. Asbestos causes cancer when ingested or inhaled.

 

10

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
2017ND100ND
2018N/A00N/A
2019N/A00N/A

MFL = million fibers per liter

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 7 MFL

The legal limit for asbestos, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s.

MFL = million fibers per liter

All test results

Date Lab ID Result
2017-08-082283-001-1145ND
2017-08-082283-005-0935ND
2017-08-082283-006-1030ND
2017-08-082283-010-1305ND
2017-08-082283-018-0945ND
2017-08-082283-021-0910ND
2017-08-082283-023-1100ND
2017-08-082283-028-1120ND
2017-08-082283-045-0920ND
2017-08-082283-047-1200ND