cis-1,2-Dichloroethylene
Paw Homesite
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.
40
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 | 20.9 ppb | 8 | 8 | 4.50 ppb - 49.2 ppb |
| 2015 | 16.9 ppb | 8 | 8 | 5.30 ppb - 36.0 ppb |
| 2016 | 18.2 ppb | 8 | 8 | 5.20 ppb - 41.4 ppb |
| 2017 | 18.4 ppb | 8 | 8 | 5.50 ppb - 34.5 ppb |
| 2018 | 6.90 ppb | 4 | 4 | 4.10 ppb - 9.40 ppb |
| 2019 | 4.25 ppb | 4 | 4 | 3.80 ppb - 4.90 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 |
|---|---|---|
| 2014-01-08 | 24405801 | 49.2 ppb |
| 2014-01-08 | 24405701 | 5.80 ppb |
| 2014-04-02 | 25334601 | 25.7 ppb |
| 2014-04-02 | 25334501 | 4.50 ppb |
| 2014-07-09 | 26110301 | 36.0 ppb |
| 2014-07-09 | 26110201 | 5.20 ppb |
| 2014-10-01 | 27098701 | 6.70 ppb |
| 2014-10-01 | 27098801 | 34.3 ppb |
| 2015-01-07 | 12297068 | 28.1 ppb |
| 2015-01-07 | 12297047 | 6.50 ppb |
| 2015-04-15 | 12642917 | 27.1 ppb |
| 2015-04-15 | 12642896 | 5.30 ppb |
| 2015-07-15 | 13023155 | 19.4 ppb |
| 2015-07-15 | 13023134 | 5.60 ppb |
| 2015-10-06 | 13399413 | 7.30 ppb |
| 2015-10-06 | 13399434 | 36.0 ppb |
| 2016-01-05 | 13763232 | 5.20 ppb |
| 2016-01-05 | 13763253 | 22.2 ppb |
| 2016-04-05 | 14115625 | 6.10 ppb |
| 2016-04-05 | 14115646 | 31.1 ppb |
| 2016-07-01 | 14583659 | 5.80 ppb |
| 2016-07-01 | 14583680 | 27.1 ppb |
| 2016-10-05 | 15088557 | 41.4 ppb |
| 2016-10-05 | 15088536 | 6.40 ppb |
| 2017-01-05 | 15529622 | 5.50 ppb |
| 2017-01-05 | 15529643 | 25.3 ppb |
| 2017-04-05 | 15950743 | 7.20 ppb |
| 2017-04-05 | 15950764 | 29.9 ppb |
| 2017-07-07 | 16426346 | 6.80 ppb |
| 2017-07-07 | 16426367 | 30.4 ppb |
| 2017-10-05 | 16892547 | 7.50 ppb |
| 2017-10-05 | 16892568 | 34.5 ppb |
| 2018-01-10 | 38158601 | 7.90 ppb |
| 2018-04-04 | 39069901 | 9.40 ppb |
| 2018-07-03 | 40201501 | 6.20 ppb |
| 2018-10-04 | 41308901 | 4.10 ppb |
| 2019-01-09 | 42495701 | 4.30 ppb |
| 2019-04-10 | 43656201 | 4.90 ppb |
| 2019-07-16 | 45013801 | 3.80 ppb |
| 2019-10-10 | 46829601 | 4.00 ppb |