Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Mountain View Mobile Estates LLC

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.503 ppb43ND - 0.730 ppb
20190.793 ppb440.630 ppb - 0.970 ppb
20200.508 ppb43ND - 0.750 ppb
20210.870 ppb330.760 ppb - 0.960 ppb
20220.597 ppb64ND - 1.000 ppb
20230.640 ppb43ND - 1.10 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
2018-02-21CA4900798_002_002-2018022110450.700 ppb
2018-05-15CA4900798_002_002-2018051510500.730 ppb
2018-08-15CA4900798_002_002-2018081510300.580 ppb
2018-11-07CA4900798_002_002-201811071020ND
2019-02-13CA4900798_002_002-2019021310200.800 ppb
2019-05-08CA4900798_002_002-2019050810450.970 ppb
2019-08-14CA4900798_002_002-2019081410050.630 ppb
2019-11-13CA4900798_002_002-2019111311000.770 ppb
2020-02-10CA4900798_002_002-2020021011100.580 ppb
2020-05-11CA4900798_002_002-2020051110250.750 ppb
2020-08-10CA4900798_002_002-202008101045ND
2020-11-11CA4900798_002_002-2020111110250.700 ppb
2021-02-03CA4900798_002_002-2021020310000.960 ppb
2021-05-05CA4900798_002_002-2021050510150.760 ppb
2021-11-10CA4900798_002_002-2021111010160.890 ppb
2022-02-07CA4900798_002_002-2022020710120.740 ppb
2022-04-29CA4900798_004_004-202204290920ND
2022-04-29CA4900798_006_006-202204290920ND
2022-05-03CA4900798_002_002-2022050310200.940 ppb
2022-08-09CA4900798_002_002-2022080910331.000 ppb
2022-11-09CA4900798_002_002-2022110914500.900 ppb
2023-02-28CA4900798_002_002-2023022811500.790 ppb
2023-05-24CA4900798_002_002-2023052410001.10 ppb
2023-11-14CA4900798_004_004-202311141540ND
2023-11-14CA4900798_002_002-2023111415400.670 ppb