trans-1,2-Dichloroethylene
City of Linden
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
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 |
|---|---|---|
| 2018-01-03 | Q1800198003 | ND |
| 2018-04-04 | Q1814029002 | ND |
| 2018-04-04 | Q1814029005 | ND |
| 2018-04-04 | Q1814029010 | ND |
| 2019-05-02 | Q1918234001 | ND |
| 2019-05-02 | Q1918234003 | ND |
| 2019-05-02 | Q1918234005 | ND |
| 2019-05-02 | Q1918234007 | ND |
| 2020-04-22 | Q2016067005 | ND |
| 2020-04-22 | Q2016067007 | ND |
| 2020-10-22 | Q2041220007 | ND |
| 2020-10-22 | Q2041220005 | ND |
| 2021-01-25 | Q2101630002 | ND |
| 2021-01-25 | Q2101630004 | ND |
| 2021-01-25 | Q2101630006 | ND |
| 2021-01-25 | Q2101630008 | ND |
| 2022-02-08 | Q2204277003 | ND |
| 2022-11-16 | Q2234545001 | ND |
| 2022-11-16 | Q2234545003 | ND |
| 2023-02-13 | Q2305588004 | ND |
| 2023-08-22 | Q2335447002 | ND |
| 2023-10-24 | Q2345776004 | ND |