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EWG's Tap Water Database — 2019 UPDATE

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trans-1,2-Dichloroethylene

North Las Vegas Utilities

1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND50ND
2013ND30ND
2014ND40ND
2015ND30ND
2016N/A00N/A
2017ND10ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 60 ppb

The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene 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 harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 100 ppb

The legal limit for trans-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2012-05-2312050555-002ND
2012-06-1112060202-002ND
2012-06-1912060404-003ND
2012-06-2712060582-002ND
2012-09-1312090215-002ND
2013-06-1713060259-002ND
2013-10-1613100246-002ND
2013-10-1613100246-003ND
2014-02-1114020153-002ND
2014-06-2514060514-002ND
2014-07-3114070541-002ND
2014-09-1614090267-002ND
2015-06-1515060255-002ND
2015-06-1715060303-002ND
2015-09-0915090133-002ND
2017-10-11S1707252002ND