1,1-Dichloroethylene
City of Raleigh
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
12
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 7 ppb
The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-28 | 201403310007 | ND |
| 2014-03-28 | 201403310008 | ND |
| 2015-02-09 | ND | |
| 2015-02-09 | ND | |
| 2016-01-12 | 8048-011216-EP1V | ND |
| 2016-01-12 | 8048-011216-EP3V | ND |
| 2017-01-12 | 8048-011217-EP1V | ND |
| 2017-01-12 | 8048-011217-EP3V | ND |
| 2018-01-16 | 8048-011618-EP1V | ND |
| 2018-01-16 | 8048-011618-EP3V | ND |
| 2019-02-15 | 3760420190304025 | ND |
| 2019-02-15 | 3760420190304026 | ND |