1,1-Dichloroethylene
Walnutport Mobile Court
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
8
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 0.567 ppb | 3 | 1 | ND - 1.70 ppb |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-02-06 | 14020782-001 | ND |
| 2015-02-04 | 12439293 | ND |
| 2018-02-08 | 7042905001 | 1.70 ppb |
| 2018-07-12 | 8016676-01 | ND |
| 2018-10-11 | 8027176-01 | ND |
| 2019-04-11 | 9002049-01 | ND |
| 2019-07-25 | 9019117-01 | ND |
| 2019-11-07 | 9035036-01 | ND |