Know Your Environment. Protect Your Health.

trans-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

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
2018-04-1139073401ND
2018-04-1139072901ND
2018-04-1139074201ND
2018-04-1139073001ND
2019-04-0843660501ND
2019-04-0843660601ND
2019-04-0843659301ND
2019-04-2343659401ND
2020-04-0222016197.00ND
2020-04-0222016081.00ND
2020-04-0222016153.00ND
2020-04-0222016176.00ND
2020-04-0222016132.00ND
2021-04-0124241270.00ND
2021-04-0124241291.00ND
2021-04-0124241314.00ND
2021-08-0525016535.00ND
2021-10-1425398548.00ND
2021-11-1125582460.00ND
2022-02-0926111854.00ND
2022-04-1426458188.00ND
2022-04-1426458182.00ND
2022-04-1426458212.00ND
2022-05-1226641733.00ND
2023-04-1928695818.00ND
2023-04-1928695886.00ND
2023-04-1928695797.00ND
2023-04-1928695839.00ND
2023-04-1928695860.00ND