Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Pennsylvania American Royersford

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.

 

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): 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
2018-04-1139073401ND
2018-04-1139072901ND
2018-04-1139074201ND
2018-04-1139073001ND
2019-04-0843660501ND
2019-04-0843660601ND
2019-04-0843659301ND
2019-04-2343659401ND
2020-04-0222016196.00ND
2020-04-0222016080.00ND
2020-04-0222016152.00ND
2020-04-0222016175.00ND
2020-04-0222016131.00ND
2021-04-0124241269.00ND
2021-04-0124241290.00ND
2021-04-0124241313.00ND
2021-08-0525016534.00ND
2021-10-1425398547.00ND
2021-11-1125582459.00ND
2022-02-0926111835.00ND
2022-04-1426458190.00ND
2022-04-1426458181.00ND
2022-04-1426458213.00ND
2022-05-1226641734.00ND
2023-04-1928695817.00ND
2023-04-1928695885.00ND
2023-04-1928695796.00ND
2023-04-1928695838.00ND
2023-04-1928695859.00ND