trans-1,2-Dichloroethylene
Saegertown Borough
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 |
|---|---|---|---|---|
| 2014 | ND | 6 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-01-07 | 14010447-001 | ND |
| 2014-03-04 | 14030304-001 | ND |
| 2014-04-01 | 14040372-001 | ND |
| 2014-04-01 | 14040314-001 | ND |
| 2014-04-01 | 14040265-001 | ND |
| 2014-04-01 | 14040325-001 | ND |
| 2015-04-07 | 12701098 | ND |
| 2015-04-07 | 12701074 | ND |
| 2015-04-07 | 12701052 | ND |
| 2015-04-07 | 12701022 | ND |
| 2016-06-14 | 14503801 | ND |
| 2016-06-14 | 14503824 | ND |
| 2016-06-14 | 14838936 | ND |
| 2016-06-14 | 14503778 | ND |
| 2016-06-14 | 15601202 | ND |
| 2017-04-04 | 16030461 | ND |
| 2017-04-04 | 16030422 | ND |
| 2017-04-04 | 16030500 | ND |
| 2017-04-04 | 16030539 | ND |
| 2017-04-04 | 16030578 | ND |
| 2017-04-04 | 16030383 | ND |
| 2018-06-12 | 1814774-04 | ND |
| 2018-06-12 | 1814774-03 | ND |
| 2018-06-12 | 1814774-02 | ND |
| 2018-06-12 | 1814774-01 | ND |
| 2019-04-02 | 3026084002 | ND |
| 2019-04-02 | 3026084003 | ND |
| 2019-04-02 | 3026084004 | ND |
| 2019-04-02 | 3026084005 | ND |
| 2019-04-02 | 3026084006 | ND |
| 2019-04-02 | 3026084001 | ND |