Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Burr Oak

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.

 

49

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.967 ppb65ND - 1.80 ppb
20191.000 ppb550.700 ppb - 1.20 ppb
20201.15 ppb440.600 ppb - 1.70 ppb
20211.13 ppb990.600 ppb - 1.70 ppb
20221.39 ppb12120.700 ppb - 2.30 ppb
20231.38 ppb13130.500 ppb - 2.40 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
2018-03-08LLH694261.30 ppb
2018-05-30LLH829241.80 ppb
2018-08-27LLI01494ND
2018-11-19LLI159781.60 ppb
2018-11-19LLI159760.600 ppb
2018-11-19LLI159770.500 ppb
2019-03-07LLI283171.10 ppb
2019-06-27LLI468280.800 ppb
2019-07-24LLI520631.20 ppb
2019-10-10LLI705111.20 ppb
2019-12-27LLI860750.700 ppb
2020-01-131.60 ppb
2020-04-091.70 ppb
2020-07-200.700 ppb
2020-10-130.600 ppb
2021-01-270.800 ppb
2021-06-241.50 ppb
2021-06-240.800 ppb
2021-06-240.700 ppb
2021-09-281.30 ppb
2021-09-281.30 ppb
2021-10-131.70 ppb
2021-10-131.50 ppb
2021-10-130.600 ppb
2022-01-191.50 ppb
2022-01-190.800 ppb
2022-01-191.50 ppb
2022-06-081.20 ppb
2022-06-081.10 ppb
2022-06-082.10 ppb
2022-09-010.700 ppb
2022-09-010.700 ppb
2022-09-011.70 ppb
2022-10-191.000 ppb
2022-10-192.30 ppb
2022-10-192.10 ppb
2023-03-161.50 ppb
2023-03-161.20 ppb
2023-03-162.30 ppb
2023-05-102.30 ppb
2023-05-101.20 ppb
2023-05-101.60 ppb
2023-09-140.500 ppb
2023-09-140.700 ppb
2023-09-251.90 ppb
2023-09-250.500 ppb
2023-10-190.700 ppb
2023-10-191.20 ppb
2023-10-192.40 ppb