trans-1,2-Dichloroethylene
Washington Township MUA
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 | 14 | 0 | ND |
| 2015 | ND | 9 | 0 | ND |
| 2016 | ND | 9 | 0 | ND |
| 2017 | ND | 19 | 0 | ND |
| 2018 | ND | 8 | 0 | ND |
| 2019 | ND | 24 | 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 |
|---|---|---|
| 2014-03-12 | 140312/2198-01 | ND |
| 2014-03-12 | 140312/2198-06 | ND |
| 2014-03-12 | 140312/2198-07 | ND |
| 2014-03-12 | 140312/2198-05 | ND |
| 2014-03-12 | 140312/2198-08 | ND |
| 2014-03-12 | 140312/2198-04 | ND |
| 2014-03-12 | 140312/2198-03 | ND |
| 2014-03-12 | 140312/2198-02 | ND |
| 2014-03-12 | 14033141-001 | ND |
| 2014-03-12 | 140312/2198-09 | ND |
| 2014-06-27 | 14070193-001 | ND |
| 2014-09-26 | 14092461-001 | ND |
| 2014-12-10 | 141210/2659-07 | ND |
| 2014-12-10 | 141210/2659-06 | ND |
| 2015-02-10 | 150210/2763-02 | ND |
| 2015-02-10 | 150210/2763-01 | ND |
| 2015-03-18 | 150318/2893-11 | ND |
| 2015-05-12 | 150512/2924-2 | ND |
| 2015-06-30 | 150630/3020-1 | ND |
| 2015-09-17 | 150917/3158-4 | ND |
| 2015-09-17 | 150917/3158-2 | ND |
| 2015-12-21 | 151221/3322-2 | ND |
| 2015-12-22 | 151222/3324-1 | ND |
| 2016-03-16 | 160316/3527-7 | ND |
| 2016-03-16 | 160316/3527-11 | ND |
| 2016-03-16 | 160316/3527-8 | ND |
| 2016-06-15 | 160615/3672-2 | ND |
| 2016-06-16 | 160616/3675-2 | ND |
| 2016-09-21 | 160921/3872-7 | ND |
| 2016-09-21 | 160921/3872-9 | ND |
| 2016-12-07 | 161207/3990-6 | ND |
| 2016-12-07 | 161207/3990-9 | ND |
| 2017-03-21 | 170321/4116-2VO | ND |
| 2017-03-21 | 170321/4116-3VO | ND |
| 2017-03-21 | 170321/4116-8 | ND |
| 2017-03-21 | 170321/4116-1VO | ND |
| 2017-03-21 | 170321/4116-8VO | ND |
| 2017-03-21 | 170321/4116-8V | ND |
| 2017-03-21 | 170321/4116-6VO | ND |
| 2017-03-21 | 170321/4116-10 | ND |
| 2017-03-21 | 170321/4116-4VO | ND |
| 2017-03-21 | 170321/4116-6 | ND |
| 2017-06-13 | 36441002 | ND |
| 2017-06-13 | 36441003 | ND |
| 2017-06-13 | 36441001 | ND |
| 2017-06-27 | 36672602 | ND |
| 2017-09-19 | 37548301 | ND |
| 2017-09-19 | 37548302 | ND |
| 2017-09-20 | 37548303 | ND |
| 2017-12-13 | 38513002 | ND |
| 2017-12-13 | 38513001 | ND |
| 2018-03-19 | 39421702 | ND |
| 2018-03-19 | 39402901 | ND |
| 2018-03-19 | 39421701 | ND |
| 2018-06-20 | 40497901 | ND |
| 2018-06-21 | 40498501 | ND |
| 2018-09-13 | 41716902 | ND |
| 2018-12-05 | P18-8760-04 | ND |
| 2018-12-05 | P18-8760-06 | ND |
| 2019-03-12 | P19-1447-06 | ND |
| 2019-03-12 | P19-1449-06 | ND |
| 2019-03-13 | P19-1471-06 | ND |
| 2019-03-13 | P19-1474-06 | ND |
| 2019-03-13 | P19-1475-06 | ND |
| 2019-06-13 | P19-4727-07 | ND |
| 2019-06-13 | P19-4727-01 | ND |
| 2019-06-13 | P19-4727-02 | ND |
| 2019-06-13 | P19-4727-03 | ND |
| 2019-06-13 | P19-4727-04 | ND |
| 2019-06-13 | P19-4727-05 | ND |
| 2019-09-11 | P19-9101-02 | ND |
| 2019-09-11 | P19-9101-01 | ND |
| 2019-09-16 | P19-9305-03 | ND |
| 2019-09-16 | P19-9305-02 | ND |
| 2019-09-16 | P19-9305-05 | ND |
| 2019-09-16 | P19-9305-04 | ND |
| 2019-09-17 | P19-9305-01 | ND |
| 2019-12-09 | P19-11473-05 | ND |
| 2019-12-09 | P19-11473-04 | ND |
| 2019-12-09 | P19-11473-02 | ND |
| 2019-12-09 | P19-11473-01 | ND |
| 2019-12-09 | P19-11473-07 | ND |
| 2019-12-11 | P19-11473-03 | ND |