Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

East Cocalico Township

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.

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
20200.231 ppb164ND - 1.40 ppb
2021ND60ND
2022ND40ND
20230.144 ppb163ND - 0.900 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
2018-04-278045051-02REND
2018-04-278045051-08ND
2018-04-278045051-11ND
2018-04-278045051-10ND
2019-04-299041601-06ND
2019-04-299041601-08ND
2019-04-299041601-09ND
2019-04-299041601-02ND
2020-05-0122369762.00ND
2020-05-0122369741.00ND
2020-05-0122369718.00ND
2020-05-0122369695.001.000 ppb
2020-05-0122369672.00ND
2020-05-0122369649.00ND
2020-05-0122369626.00ND
2020-05-0122369603.00ND
2020-05-0122369580.00ND
2020-05-0122369535.00ND
2020-05-0122369557.00ND
2020-05-1122369503.000.700 ppb
2020-09-2523142974.00ND
2020-10-2223322763.001.40 ppb
2020-10-2923322721.000.600 ppb
2020-11-2023497277.00ND
2021-03-1024203656.00ND
2021-04-0824393848.00ND
2021-04-0824393827.00ND
2021-04-0824393798.00ND
2021-04-0824393875.00ND
2021-07-1424979172.00ND
2022-04-0826607717.00ND
2022-04-0826607762.00ND
2022-04-0826607741.00ND
2022-04-0826607690.00ND
2023-01-1128310389.000.700 ppb
2023-01-1128310362.00ND
2023-01-1128310434.00ND
2023-01-1128310413.00ND
2023-04-1228858478.000.900 ppb
2023-04-1228858477.00ND
2023-04-1228858475.00ND
2023-04-1228858476.00ND
2023-07-1229454829.000.700 ppb
2023-09-1329847889.00ND
2023-09-1329847891.00ND
2023-09-1329847894.00ND
2023-09-1329847892.00ND
2023-09-1329847893.00ND
2023-09-1329847890.00ND
2023-10-2530031826.00ND