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EWG's Tap Water Database — 2021 UPDATE

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cis-1,2-Dichloroethylene

Twin Maples Nursing Home

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND40ND
2017ND40ND
2018ND40ND
2019ND40ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 70 ppb

The legal limit for cis-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
2014-09-16BH14175VOC1ND
2015-08-24BJ79938VOC1ND
2015-12-11BK35928VOC1ND
2016-01-19BK54393VOC1ND
2016-04-22BN18473VOC1ND
2016-07-07BN68661VOC1ND
2016-10-14BV50752VOC1ND
2017-01-09BX17960VOC1ND
2017-04-03BX97632VOC1ND
2017-07-13BY58616VOC1ND
2017-10-09BZ17737VOC1ND
2018-01-08BZ69305VOC1ND
2018-04-03CA12885VOC1ND
2018-07-11CA87192VOC1ND
2018-10-01CB61945ND
2019-02-01CC39646ND
2019-04-01CC78528ND
2019-07-02CD49289ND
2019-10-14CE40397ND