1,1-Dichloroethylene
Lehigh County Authority Allentown Division
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
13
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 | 3 | 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 |
|---|---|---|
| 2014-06-10 | 14052283-01 | ND |
| 2014-06-10 | 14052283-02 | ND |
| 2014-06-10 | 14052283-03 | ND |
| 2015-02-17 | 12434431 | ND |
| 2015-02-17 | 12434452 | ND |
| 2016-02-16 | 13903474 | ND |
| 2016-02-16 | 13903495 | ND |
| 2017-03-21 | 15835547 | ND |
| 2017-03-21 | 15835568 | ND |
| 2018-03-13 | 8023741-01 | ND |
| 2018-03-13 | 8023741-02 | ND |
| 2019-03-19 | 9024667-01 | ND |
| 2019-03-19 | 9024667-02 | ND |