Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

The Calverton School

1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND10ND
2020ND10ND
2021N/A00N/A
2022N/A00N/A
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 7 ppb

The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-05E18002822001ND
2018-04-11E18003660006ND
2018-07-02E19000011001ND
2018-10-16E19001285001ND
2019-09-03E20000890006ND
2020-03-03E20003000001ND
2023-03-02E2300199806ND