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EWG's Tap Water Database — 2019 UPDATE

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1,3-Dichloropropene

City of Chino Hills

1,3-Dichloropropene is a volatile cancer-causing chemical primarily used as a nematocide to fumigate agricultural soils. It exists in two different forms: cis-1,3-dichloropropene and trans-1,3-dichloropropene.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013N/A00N/A
2014ND50ND
2015N/A00N/A
2016ND20ND
2017ND40ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.2 ppb

The EWG Health Guideline of 0.2 ppb for 1,3-dichloropropene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2012-07-184790-014-1130ND
2014-01-234790-001-1300ND
2014-01-234790-017-1330ND
2014-04-154790-009-1015ND
2014-04-154790-010-0930ND
2014-09-194790-024-1330ND
2016-03-034790-014-1130ND
2016-03-034790-024-1030ND
2017-02-169588-001-1010ND
2017-02-169588-017-1040ND
2017-04-199588-009-1030ND
2017-04-199588-010-0945ND