Know Your Environment. Protect Your Health.

trans-1,2-Dichloroethylene

Coast Springs - Cal. Water Service (puc)

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND60ND
2020ND40ND
2021ND50ND
2022ND60ND
2023ND40ND

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
2018-07-12CA2110007_015_015-201807121235ND
2018-07-12CA2110007_001_001-201807121225ND
2018-07-23CA2110007_004_004-201807231200ND
2018-07-23CA2110007_003_003-201807231145ND
2018-09-18CA2110007_007_007-201809181055ND
2019-01-08CA2110007_006_006-201901081050ND
2019-06-18CA2110007_001_001-201906181050ND
2019-06-18CA2110007_015_015-201906181100ND
2019-08-28CA2110007_005_005-201908281025ND
2019-08-28CA2110007_010_010-201908281100ND
2019-11-20CA2110007_002_002-201911201015ND
2020-03-25CA2110007_001_001-202003251025ND
2020-03-25CA2110007_015_015-202003251035ND
2020-04-20CA2110007_008_008-202004201025ND
2020-08-19CA2110007_016_016-202008190935ND
2021-06-08CA2110007_015_015-202106081010ND
2021-06-08CA2110007_001_001-202106081015ND
2021-07-06CA2110007_004_004-202107061010ND
2021-07-06CA2110007_003_003-202107060945ND
2021-08-18CA2110007_007_007-202108181300ND
2022-02-23CA2110007_006_006-202202230945ND
2022-06-21CA2110007_001_001-202206211115ND
2022-06-21CA2110007_015_015-202206211030ND
2022-08-16CA2110007_010_010-202208161215ND
2022-08-16CA2110007_005_005-202208161255ND
2022-10-31CA2110007_002_002-202210311125ND
2023-04-17CA2110007_008_008-202304171135ND
2023-06-06CA2110007_015_015-202306061100ND
2023-06-06CA2110007_001_001-202306061055ND
2023-08-24CA2110007_016_016-202308241210ND