cis-1,2-Dichloroethylene
Doylestown Borough Water Department
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
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 5 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-01-22 | L4867559-1 | ND |
| 2014-01-22 | L4867559-2 | ND |
| 2014-02-25 | L4899027-2 | ND |
| 2014-02-25 | L4899027-3 | ND |
| 2014-02-25 | L4899027-1 | ND |
| 2015-01-13 | 12274529 | ND |
| 2015-01-13 | 12274583 | ND |
| 2015-02-03 | 12389812 | ND |
| 2015-02-03 | 12389866 | ND |
| 2015-02-03 | 12389920 | ND |
| 2016-02-05 | 13858669 | ND |
| 2016-02-05 | 13858723 | ND |
| 2016-02-05 | 13858561 | ND |
| 2016-02-05 | 13858615 | ND |
| 2016-02-05 | 13858507 | ND |
| 2017-01-06 | 15503059 | ND |
| 2017-01-06 | 15502901 | ND |
| 2017-01-06 | 15502953 | ND |
| 2017-01-06 | 15503111 | ND |
| 2017-01-06 | 15503007 | ND |
| 2018-01-12 | L6983060-3 | ND |
| 2018-01-12 | L6983058-2 | ND |
| 2018-01-12 | L6983060-2 | ND |
| 2018-01-12 | L6983058-1 | ND |
| 2018-01-12 | L6983060-1 | ND |
| 2019-01-31 | L7090358-2 | ND |
| 2019-01-31 | L7090359-1 | ND |
| 2019-01-31 | L7090359-2 | ND |
| 2019-01-31 | L7090358-3 | ND |
| 2019-01-31 | L7090358-1 | ND |