cis-1,2-Dichloroethylene
Montgomery
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.
56
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 | 9 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | 0.0665 ppb | 17 | 2 | ND - 0.580 ppb |
| 2019 | 0.0763 ppb | 16 | 2 | ND - 0.620 ppb |
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 |
|---|---|---|
| 2014-02-19 | SB40457-01_01 | ND |
| 2014-04-07 | SD40232-01_01 | ND |
| 2014-07-29 | SG41746-02_01 | ND |
| 2014-07-29 | SG41746-03_01 | ND |
| 2014-07-29 | SG41746-01_01 | ND |
| 2014-09-24 | SI41250-01_01 | ND |
| 2014-09-24 | SI41250-02_01 | ND |
| 2014-09-24 | SI41250-03_01 | ND |
| 2014-10-06 | SJ40298-01_01 | ND |
| 2015-03-10 | SC50236-01_01 | ND |
| 2015-05-19 | SE50789-01_01 | ND |
| 2015-07-20 | SG51118-01_01 | ND |
| 2015-11-02 | SK50050-01_01 | ND |
| 2016-02-03 | 16B0220-01_01 | ND |
| 2016-04-18 | 16D0460-01_01 | ND |
| 2016-07-06 | 16G0164-01_01 | ND |
| 2016-11-01 | 16K0051-01_01 | ND |
| 2017-01-09 | 17A0225-01_01 | ND |
| 2017-04-10 | 17D0296-01_01 | ND |
| 2017-07-10 | 1707477-001A | ND |
| 2017-07-10 | 1707477-005A | ND |
| 2017-07-10 | 1707477-003A | ND |
| 2017-10-09 | 1710652-001A | ND |
| 2018-01-09 | 1801420-007A | ND |
| 2018-01-09 | 1801420-005A | ND |
| 2018-01-09 | 1801420-003A | ND |
| 2018-01-09 | 1801420-001A | ND |
| 2018-04-10 | 1804656-007A | ND |
| 2018-04-10 | 1804656-003A | ND |
| 2018-04-10 | 1804656-001A | ND |
| 2018-04-10 | 1804656-005A | ND |
| 2018-06-26 | 18F1102-01_02 | ND |
| 2018-08-13 | 1808A69-001A | ND |
| 2018-08-13 | 1808A69-003A | ND |
| 2018-08-13 | 1808A69-005A | 0.550 ppb |
| 2018-08-13 | 1808A69-007A | ND |
| 2018-10-23 | 1810I28-001A | ND |
| 2018-10-23 | 1810I28-002A | ND |
| 2018-10-23 | 1810I28-004A | ND |
| 2018-11-15 | 1811D39-001A | 0.580 ppb |
| 2019-02-06 | 9021430-01 | ND |
| 2019-02-06 | 9021430-02 | ND |
| 2019-02-06 | 9021430-04 | ND |
| 2019-02-07 | 9021430-03 | 0.600 ppb |
| 2019-04-08 | 9042946-01 | ND |
| 2019-04-08 | 9042946-02 | ND |
| 2019-04-08 | 9042946-04 | ND |
| 2019-04-09 | 9042946-03 | 0.620 ppb |
| 2019-07-08 | 9072462-03 | ND |
| 2019-07-10 | 9072462-02 | ND |
| 2019-07-10 | 9072462-04 | ND |
| 2019-07-10 | 9072462-01 | ND |
| 2019-10-16 | 9104043-03 | ND |
| 2019-10-16 | 9104043-02 | ND |
| 2019-10-16 | 9104043-01 | ND |
| 2019-10-17 | 9104043-04 | ND |