cis-1,2-Dichloroethylene
Naval Support Facility, Indian Head
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.
14
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 | 1 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-04-03 | 0080058_09_04349 | ND |
| 2015-08-06 | E16000441001 | ND |
| 2015-11-09 | E16002040001 | ND |
| 2016-08-30 | E17000878001 | ND |
| 2016-10-27 | E17001910001 | ND |
| 2017-03-22 | E17003695001 | ND |
| 2017-05-25 | E17004650001 | ND |
| 2017-07-31 | E18000396001 | ND |
| 2017-10-31 | E18001763001 | ND |
| 2018-01-25 | E18002660001 | ND |
| 2018-10-16 | E190011287001 | ND |
| 2019-01-28 | E19002305001 | ND |
| 2019-01-28 | E19002305004 | ND |
| 2019-05-09 | E19003829006 | ND |