1,1-Dichloroethylene
Quakertown Boro
1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.
61
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 | 11 | 0 | ND |
| 2015 | ND | 12 | 0 | ND |
| 2016 | ND | 10 | 0 | ND |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 10 | 0 | ND |
| 2019 | ND | 10 | 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 |
|---|---|---|
| 2014-02-11 | 14021155-001 | ND |
| 2014-02-12 | 14021373-001 | ND |
| 2014-02-18 | 14022024-001 | ND |
| 2014-04-10 | 14041892-001 | ND |
| 2014-07-16 | 14071804-001 | ND |
| 2014-08-14 | 14081504-001 | ND |
| 2014-08-14 | 14081511-001 | ND |
| 2014-08-14 | 14081513-001 | ND |
| 2014-08-28 | 14082989-001 | ND |
| 2014-08-28 | 14082988-001 | ND |
| 2014-12-09 | 14120590-001 | ND |
| 2015-03-23 | 12503642 | ND |
| 2015-03-23 | 12503662 | ND |
| 2015-09-28 | 13252480 | ND |
| 2015-09-28 | 13252366 | ND |
| 2015-09-28 | 13252386 | ND |
| 2015-09-28 | 13252406 | ND |
| 2015-09-28 | 13252426 | ND |
| 2015-09-28 | 13252446 | ND |
| 2015-11-11 | 13503007 | ND |
| 2015-12-17 | 13621871 | ND |
| 2015-12-29 | 13621895 | ND |
| 2015-12-30 | 13621847 | ND |
| 2016-02-11 | 13858920 | ND |
| 2016-02-19 | 13859205 | ND |
| 2016-08-17 | 14721032 | ND |
| 2016-08-25 | 14721125 | ND |
| 2016-08-25 | 14721083 | ND |
| 2016-08-25 | 14721104 | ND |
| 2016-08-31 | 14892155 | ND |
| 2016-08-31 | 14892134 | ND |
| 2016-11-10 | 15214167 | ND |
| 2016-12-15 | 15358517 | ND |
| 2017-07-20 | 16400193 | ND |
| 2017-07-20 | 16400278 | ND |
| 2017-07-20 | 16400257 | ND |
| 2017-07-20 | 16400236 | ND |
| 2017-07-20 | 16400172 | ND |
| 2017-07-20 | 16400220 | ND |
| 2017-08-17 | 16551636 | ND |
| 2017-08-17 | 16551615 | ND |
| 2018-02-01 | T8B0475 | ND |
| 2018-06-08 | T8F0689 | ND |
| 2018-06-08 | T8F0689 | ND |
| 2018-06-08 | T8F0689 | ND |
| 2018-06-13 | T8F0689 | ND |
| 2018-06-13 | T8F0689 | ND |
| 2018-06-13 | T8F0689 | ND |
| 2018-06-13 | T8F0689 | ND |
| 2018-06-13 | T8F0689 | ND |
| 2018-09-27 | T8I1279 | ND |
| 2019-04-29 | T9D0798-02 | ND |
| 2019-04-29 | T9D0799-01 | ND |
| 2019-06-20 | T9F1320-01 | ND |
| 2019-08-29 | T9H1706-01 | ND |
| 2019-11-19 | T9K0960-02 | ND |
| 2019-11-19 | T9K0960-03 | ND |
| 2019-11-19 | T9K0960-04 | ND |
| 2019-11-19 | T9K0960-05 | ND |
| 2019-11-19 | T9K0960-06 | ND |
| 2019-11-19 | T9K0960-01 | ND |