Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Paw Homesite

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20186.90 ppb444.10 ppb - 9.40 ppb
20194.25 ppb443.80 ppb - 4.90 ppb
20204.83 ppb444.70 ppb - 4.90 ppb
20214.55 ppb444.30 ppb - 5.00 ppb
20224.43 ppb444.10 ppb - 4.70 ppb
20235.35 ppb444.50 ppb - 6.10 ppb

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
2018-01-10381586017.90 ppb
2018-04-04390699019.40 ppb
2018-07-03402015016.20 ppb
2018-10-04413089014.10 ppb
2019-01-09424957014.30 ppb
2019-04-10436562014.90 ppb
2019-07-16450138013.80 ppb
2019-10-10468296014.00 ppb
2020-02-1221682286.004.90 ppb
2020-04-0922039227.004.90 ppb
2020-07-0922623453.004.70 ppb
2020-10-0623198007.004.80 ppb
2021-01-0823727850.004.40 ppb
2021-04-0624263160.005.00 ppb
2021-08-1225038897.004.50 ppb
2021-10-1325420763.004.30 ppb
2022-01-0625957943.004.70 ppb
2022-04-0626479745.004.10 ppb
2022-07-1327053539.004.40 ppb
2022-10-0527656701.004.50 ppb
2023-01-0528187436.004.50 ppb
2023-04-0528718736.005.10 ppb
2023-07-0629317604.005.70 ppb
2023-10-0529901736.006.10 ppb