trans-1,2-Dichloroethylene
City of Houston
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.
181
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 |
|---|---|---|---|---|
| 2012 | ND | 19 | 0 | ND |
| 2013 | ND | 12 | 0 | ND |
| 2014 | ND | 25 | 0 | ND |
| 2015 | ND | 39 | 0 | ND |
| 2016 | ND | 43 | 0 | ND |
| 2017 | ND | 43 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 60 ppb
The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.
EPA Maximum Contaminant
Level (MCL) 100 ppb
The legal limit for trans-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 |
|---|---|---|
| 2012-04-10 | AB86410 | ND |
| 2012-04-10 | AB86406 | ND |
| 2012-05-23 | AB90921 | ND |
| 2012-05-23 | AB90927 | ND |
| 2012-05-23 | AB90925 | ND |
| 2012-05-23 | AB90923 | ND |
| 2012-07-24 | AB96062 | ND |
| 2012-07-24 | AB96064 | ND |
| 2012-08-10 | AB97995 | ND |
| 2012-08-10 | AB97985 | ND |
| 2012-08-10 | AB97987 | ND |
| 2012-08-10 | AB97989 | ND |
| 2012-08-10 | AB97997 | ND |
| 2012-08-27 | AB99665 | ND |
| 2012-09-19 | AC01320 | ND |
| 2012-09-19 | AC01318 | ND |
| 2012-09-20 | AC01557 | ND |
| 2012-09-20 | AC01569 | ND |
| 2012-11-19 | AC05439 | ND |
| 2013-02-26 | AC11755 | ND |
| 2013-08-08 | AC27249 | ND |
| 2013-08-08 | AC27265 | ND |
| 2013-08-08 | AC27243 | ND |
| 2013-08-08 | AC27259 | ND |
| 2013-08-08 | AC27253 | ND |
| 2013-08-08 | AC27263 | ND |
| 2013-08-08 | AC27257 | ND |
| 2013-08-08 | AC27261 | ND |
| 2013-08-08 | AC27255 | ND |
| 2013-09-25 | AC31364 | ND |
| 2013-10-29 | AC33630 | ND |
| 2014-04-16 | AC50842 | ND |
| 2014-04-16 | AC50844 | ND |
| 2014-04-17 | AC51090 | ND |
| 2014-04-17 | AC51078 | ND |
| 2014-04-17 | AC51084 | ND |
| 2014-04-17 | AC51082 | ND |
| 2014-06-03 | AC55801 | ND |
| 2014-07-15 | AC59698 | ND |
| 2014-07-15 | AC59690 | ND |
| 2014-07-15 | AC59692 | ND |
| 2014-07-15 | AC59694 | ND |
| 2014-07-15 | AC59688 | ND |
| 2014-07-16 | AC59835 | ND |
| 2014-07-16 | AC59831 | ND |
| 2014-07-16 | AC59839 | ND |
| 2014-07-16 | AC59849 | ND |
| 2014-07-16 | AC59837 | ND |
| 2014-07-16 | AC59845 | ND |
| 2014-10-08 | AC69209 | ND |
| 2014-10-09 | AC69350 | ND |
| 2014-10-09 | AC69348 | ND |
| 2014-12-09 | AC74196 | ND |
| 2014-12-09 | AC74204 | ND |
| 2014-12-18 | AC75459 | ND |
| 2014-12-18 | AC75455 | ND |
| 2015-03-04 | AC82952 | ND |
| 2015-03-05 | AC82914 | ND |
| 2015-03-24 | AC85888 | ND |
| 2015-06-04 | AC94641 | ND |
| 2015-06-04 | AC94645 | ND |
| 2015-06-04 | AC94639 | ND |
| 2015-06-04 | AC94643 | ND |
| 2015-06-04 | AC94647 | ND |
| 2015-07-21 | AD00437 | ND |
| 2015-07-21 | AD00441 | ND |
| 2015-07-21 | AD00429 | ND |
| 2015-07-21 | AD00435 | ND |
| 2015-07-21 | AD00443 | ND |
| 2015-07-21 | AD00433 | ND |
| 2015-07-21 | AD00405 | ND |
| 2015-07-21 | AD00407 | ND |
| 2015-07-22 | AD00630 | ND |
| 2015-07-22 | AD00628 | ND |
| 2015-07-22 | AD00632 | ND |
| 2015-07-22 | AD00626 | ND |
| 2015-07-22 | AD00624 | ND |
| 2015-07-22 | AD00638 | ND |
| 2015-09-17 | AD07597 | ND |
| 2015-09-17 | AD07599 | ND |
| 2015-10-22 | AD11558 | ND |
| 2015-10-22 | AD11536 | ND |
| 2015-10-22 | AD11542 | ND |
| 2015-10-22 | AD11532 | ND |
| 2015-10-22 | AD11548 | ND |
| 2015-10-22 | AD11550 | ND |
| 2015-11-12 | AD13376 | ND |
| 2015-11-12 | AD13378 | ND |
| 2015-11-12 | AD13382 | ND |
| 2015-11-12 | AD13386 | ND |
| 2015-11-12 | AD13372 | ND |
| 2015-11-12 | AD13380 | ND |
| 2015-11-12 | AD13390 | ND |
| 2015-12-08 | AD15973 | ND |
| 2015-12-08 | AD15967 | ND |
| 2016-02-18 | AD24361 | ND |
| 2016-02-18 | AD24331 | ND |
| 2016-02-18 | AD24299 | ND |
| 2016-02-18 | AD24379 | ND |
| 2016-03-03 | AD26927 | ND |
| 2016-03-17 | AD29381 | ND |
| 2016-03-17 | AD29379 | ND |
| 2016-03-23 | AD30127 | ND |
| 2016-03-23 | AD30131 | ND |
| 2016-03-23 | AD30129 | ND |
| 2016-03-23 | AD30155 | ND |
| 2016-06-03 | AD39456 | ND |
| 2016-06-08 | AD39810 | ND |
| 2016-06-08 | AD39818 | ND |
| 2016-06-08 | AD39806 | ND |
| 2016-06-08 | AD39802 | ND |
| 2016-06-08 | AD39794 | ND |
| 2016-06-08 | AD39808 | ND |
| 2016-06-16 | AD41019 | ND |
| 2016-06-16 | AD41015 | ND |
| 2016-06-16 | AD41013 | ND |
| 2016-09-20 | AD50395 | ND |
| 2016-09-20 | AD50391 | ND |
| 2016-09-20 | AD50373 | ND |
| 2016-09-20 | AD50375 | ND |
| 2016-09-20 | AD50381 | ND |
| 2016-09-21 | AD50831 | ND |
| 2016-09-21 | AD50829 | ND |
| 2016-09-21 | AD50809 | ND |
| 2016-09-21 | AD50825 | ND |
| 2016-09-22 | AD50815 | ND |
| 2016-10-06 | AD52680 | ND |
| 2016-10-06 | AD52682 | ND |
| 2016-10-06 | AD52678 | ND |
| 2016-10-06 | AD52676 | ND |
| 2016-10-06 | AD52674 | ND |
| 2016-11-18 | AD58909 | ND |
| 2016-11-18 | AD58877 | ND |
| 2016-11-21 | AD58875 | ND |
| 2016-11-21 | AD58903 | ND |
| 2016-11-21 | AD58897 | ND |
| 2016-11-21 | AD58879 | ND |
| 2016-11-21 | AD58871 | ND |
| 2017-01-26 | AD67193 | ND |
| 2017-01-26 | AD67205 | ND |
| 2017-01-26 | AD67203 | ND |
| 2017-03-01 | AD72767 | ND |
| 2017-03-02 | AD73096 | ND |
| 2017-03-02 | AD73124 | ND |
| 2017-03-28 | AD77142 | ND |
| 2017-03-28 | AD77184 | ND |
| 2017-03-28 | AD77180 | ND |
| 2017-03-28 | AD77186 | ND |
| 2017-03-28 | AD77178 | ND |
| 2017-03-29 | AD77428 | ND |
| 2017-03-29 | AD77430 | ND |
| 2017-03-29 | AD77444 | ND |
| 2017-03-29 | AD77424 | ND |
| 2017-04-26 | AD81177 | ND |
| 2017-04-27 | AD81524 | ND |
| 2017-04-27 | AD81528 | ND |
| 2017-07-06 | AD88484 | ND |
| 2017-07-06 | AD88482 | ND |
| 2017-07-25 | AD90637 | ND |
| 2017-07-25 | AD90641 | ND |
| 2017-07-25 | AD90639 | ND |
| 2017-07-26 | AD90867 | ND |
| 2017-07-26 | AD90845 | ND |
| 2017-08-15 | AD93122 | ND |
| 2017-08-15 | AD93098 | ND |
| 2017-08-15 | AD93120 | ND |
| 2017-08-15 | AD93104 | ND |
| 2017-09-11 | AD95487 | ND |
| 2017-09-11 | AD95493 | ND |
| 2017-09-11 | AD95485 | ND |
| 2017-09-26 | AD98055 | ND |
| 2017-09-26 | AD98057 | ND |
| 2017-11-07 | AE03895 | ND |
| 2017-11-07 | AE03877 | ND |
| 2017-11-07 | AE03875 | ND |
| 2017-11-07 | AE03897 | ND |
| 2017-11-07 | AE03883 | ND |
| 2017-11-07 | AE03881 | ND |
| 2017-11-14 | AE04773 | ND |
| 2017-12-04 | AE06600 | ND |
| 2017-12-04 | AE06598 | ND |