Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Pennsylvania American Royersford

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

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND50ND
2021ND60ND
2022ND50ND
2023ND50ND

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
2018-04-1139073401ND
2018-04-1139072901ND
2018-04-1139074201ND
2018-04-1139073001ND
2019-04-0843660501ND
2019-04-0843660601ND
2019-04-0843659301ND
2019-04-2343659401ND
2020-04-0222016203.00ND
2020-04-0222016087.00ND
2020-04-0222016159.00ND
2020-04-0222016182.00ND
2020-04-0222016138.00ND
2021-04-0124241276.00ND
2021-04-0124241297.00ND
2021-04-0124241320.00ND
2021-08-0525016541.00ND
2021-10-1425398554.00ND
2021-11-1125582466.00ND
2022-02-0926111841.00ND
2022-04-1426458203.00ND
2022-04-1426458168.00ND
2022-04-1426458226.00ND
2022-05-1226641724.00ND
2023-04-1928695804.00ND
2023-04-1928695872.00ND
2023-04-1928695783.00ND
2023-04-1928695825.00ND
2023-04-1928695846.00ND