cis-1,2-Dichloroethylene
Telford Borough Authority
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.
82
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 |
|---|---|---|---|---|
| 2018 | ND | 14 | 0 | ND |
| 2019 | ND | 14 | 0 | ND |
| 2020 | ND | 14 | 0 | ND |
| 2021 | ND | 12 | 0 | ND |
| 2022 | ND | 14 | 0 | ND |
| 2023 | ND | 14 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2018-02-12 | 20180562 | ND |
| 2018-02-12 | 20180560 | ND |
| 2018-02-12 | 20180561 | ND |
| 2018-05-03 | 20181778 | ND |
| 2018-05-03 | 20181777 | ND |
| 2018-05-03 | 20181776 | ND |
| 2018-05-03 | 20181774 | ND |
| 2018-05-03 | 20181775 | ND |
| 2018-08-01 | 20182933 | ND |
| 2018-08-01 | 20182931 | ND |
| 2018-08-01 | 20182932 | ND |
| 2018-11-27 | 8114737-02 | ND |
| 2018-11-27 | 8114737-01 | ND |
| 2018-11-27 | 8114737-03 | ND |
| 2019-02-06 | 20190503 | ND |
| 2019-02-06 | 20190504 | ND |
| 2019-02-06 | 20190505 | ND |
| 2019-05-01 | 20191634 | ND |
| 2019-05-01 | 20191637 | ND |
| 2019-05-01 | 20191635 | ND |
| 2019-05-01 | 20191633 | ND |
| 2019-05-01 | 20191636 | ND |
| 2019-08-07 | 20193060 | ND |
| 2019-08-07 | 20193062 | ND |
| 2019-08-07 | 20193061 | ND |
| 2019-11-06 | 20194363 | ND |
| 2019-11-06 | 20194361 | ND |
| 2019-11-06 | 20194362 | ND |
| 2020-02-05 | 21669872.00 | ND |
| 2020-02-05 | 21669851.00 | ND |
| 2020-02-05 | 21669830.00 | ND |
| 2020-05-06 | 22218188.00 | ND |
| 2020-05-06 | 22218167.00 | ND |
| 2020-05-06 | 22218146.00 | ND |
| 2020-05-06 | 22218125.00 | ND |
| 2020-05-06 | 22218104.00 | ND |
| 2020-08-05 | 22610579.00 | ND |
| 2020-08-05 | 22610600.00 | ND |
| 2020-08-05 | 22610621.00 | ND |
| 2020-11-04 | 23364694.00 | ND |
| 2020-11-04 | 23364715.00 | ND |
| 2020-12-01 | 23540049.00 | ND |
| 2021-02-03 | 23891151.00 | ND |
| 2021-02-03 | 23891193.00 | ND |
| 2021-02-03 | 23891172.00 | ND |
| 2021-05-19 | 24441399.00 | ND |
| 2021-05-19 | 24441357.00 | ND |
| 2021-05-19 | 24441441.00 | ND |
| 2021-05-19 | 24441420.00 | ND |
| 2021-05-19 | 24441378.00 | ND |
| 2021-08-04 | 24831806.00 | ND |
| 2021-08-04 | 24831827.00 | ND |
| 2021-11-03 | 25590465.00 | ND |
| 2021-11-03 | 25590444.00 | ND |
| 2022-02-02 | 26119949.00 | ND |
| 2022-02-02 | 26119970.00 | ND |
| 2022-03-02 | 26289898.00 | ND |
| 2022-05-04 | 26651307.00 | ND |
| 2022-05-04 | 26651286.00 | ND |
| 2022-05-04 | 26651265.00 | ND |
| 2022-05-04 | 26651244.00 | ND |
| 2022-06-08 | 26845261.00 | ND |
| 2022-08-03 | 27236556.00 | ND |
| 2022-08-03 | 27236577.00 | ND |
| 2022-08-03 | 27236535.00 | ND |
| 2022-11-02 | 27825169.00 | ND |
| 2022-11-02 | 27825190.00 | ND |
| 2022-11-02 | 27825148.00 | ND |
| 2023-02-01 | 28351666.00 | ND |
| 2023-02-01 | 28351687.00 | ND |
| 2023-02-01 | 28351708.00 | ND |
| 2023-05-22 | 28902949.00 | ND |
| 2023-05-22 | 28902947.00 | ND |
| 2023-05-22 | 28902946.00 | ND |
| 2023-05-22 | 28902950.00 | ND |
| 2023-05-22 | 28902948.00 | ND |
| 2023-08-02 | 29499981.00 | ND |
| 2023-08-02 | 29499960.00 | ND |
| 2023-08-02 | 29499939.00 | ND |
| 2023-11-01 | 30073666.00 | ND |
| 2023-11-01 | 30073645.00 | ND |
| 2023-11-01 | 30073624.00 | ND |