cis-1,2-Dichloroethylene
Union Springs Village
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.
24
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 | 1.04 ppb | 4 | 4 | 0.550 ppb - 1.30 ppb |
| 2015 | 0.908 ppb | 4 | 4 | 0.710 ppb - 1.10 ppb |
| 2016 | 1.07 ppb | 4 | 4 | 0.770 ppb - 1.40 ppb |
| 2017 | 1.15 ppb | 3 | 3 | 0.620 ppb - 2.20 ppb |
| 2018 | 0.1000 ppb | 5 | 1 | ND - 0.500 ppb |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-02-12 | 1Q2014POCSUS | 1.20 ppb |
| 2014-04-16 | 2Q2014POCSUS | 0.550 ppb |
| 2014-08-13 | 3Q2014POCSUS | 1.10 ppb |
| 2014-11-05 | 4Q2014POCSUS | 1.30 ppb |
| 2015-01-14 | 1Q2015VOCUS | 1.10 ppb |
| 2015-05-06 | 2Q2015POCUS | 0.720 ppb |
| 2015-08-04 | 3Q2015POCUS | 0.710 ppb |
| 2015-09-29 | 3QD2015POCSUS | 1.10 ppb |
| 2016-02-10 | 1Q2016VOCUS | 1.000 ppb |
| 2016-05-05 | 2Q2016VOCUS | 0.770 ppb |
| 2016-08-02 | 3Q2016VOCUS | 1.40 ppb |
| 2016-11-09 | 4Q2016POCUS | 1.10 ppb |
| 2017-02-08 | 1Q2017POCUS | 0.620 ppb |
| 2017-05-09 | 2Q2017POCUS | 2.20 ppb |
| 2017-08-08 | 3Q2017POCUS | 0.640 ppb |
| 2018-02-13 | 1Q2018POCUS | ND |
| 2018-05-09 | 2Q2018POCUS | ND |
| 2018-08-15 | 3Q2018POCSUS | ND |
| 2018-09-18 | 2018POCUS | ND |
| 2018-11-27 | 4Q2019POCUS | 0.500 ppb |
| 2019-02-26 | 1Q2019POCSUS | ND |
| 2019-05-14 | 2Q2019USPOCS | ND |
| 2019-08-20 | 3Q2019POCUS | ND |
| 2019-11-13 | 4Q2019POCUS | ND |