cis-1,2-Dichloroethylene
Quakertown Boro
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.1000 ppb | 11 | 1 | ND - 1.10 ppb |
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) 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 |
---|---|---|
2014-02-11 | 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 | 1.10 ppb |
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 | 12503637 | ND |
2015-03-23 | 12503657 | ND |
2015-09-28 | 13252475 | ND |
2015-09-28 | 13252361 | ND |
2015-09-28 | 13252381 | ND |
2015-09-28 | 13252401 | ND |
2015-09-28 | 13252421 | ND |
2015-09-28 | 13252441 | ND |
2015-11-11 | 13503002 | ND |
2015-12-17 | 13621866 | ND |
2015-12-29 | 13621890 | ND |
2015-12-30 | 13621842 | ND |
2016-02-11 | 13858915 | ND |
2016-02-19 | 13859200 | ND |
2016-08-17 | 14721027 | ND |
2016-08-25 | 14721120 | ND |
2016-08-25 | 14721078 | ND |
2016-08-25 | 14721099 | ND |
2016-08-31 | 14892150 | ND |
2016-08-31 | 14892129 | ND |
2016-11-10 | 15214162 | ND |
2016-12-15 | 15358512 | ND |
2017-07-20 | 16400188 | ND |
2017-07-20 | 16400273 | ND |
2017-07-20 | 16400252 | ND |
2017-07-20 | 16400231 | ND |
2017-07-20 | 16400167 | ND |
2017-07-20 | 16400223 | ND |
2017-08-17 | 16551631 | ND |
2017-08-17 | 16551610 | 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 |