cis-1,2-Dichloroethylene
Cal-am Water Company - Duarte
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 14 | 0 | ND |
2015 | ND | 14 | 0 | ND |
2016 | ND | 15 | 0 | ND |
2017 | ND | 8 | 0 | ND |
2018 | ND | 7 | 0 | ND |
2019 | ND | 11 | 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 |
---|---|---|
2014-03-10 | 9588-004-1140 | ND |
2014-06-23 | 1225-003-1110 | ND |
2014-06-23 | 1225-010-1330 | ND |
2014-06-23 | 1225-007-1040 | ND |
2014-06-23 | 1225-009-1135 | ND |
2014-06-23 | 1225-002-1300 | ND |
2014-06-23 | 1225-008-1235 | ND |
2014-09-03 | 9588-003-1215 | ND |
2014-09-03 | 9588-002-1055 | ND |
2014-09-03 | 9588-007-1240 | ND |
2014-09-03 | 9588-008-1120 | ND |
2014-09-03 | 9588-010-1225 | ND |
2014-12-03 | 9588-009-1100 | ND |
2014-12-03 | 9588-019-1020 | ND |
2015-09-08 | 9588-008-1120 | ND |
2015-09-08 | 9588-010-1110 | ND |
2015-09-08 | 9588-002-1200 | ND |
2015-09-08 | 9588-007-1215 | ND |
2015-09-08 | 9588-003-1140 | ND |
2015-09-28 | 1225-007-1200 | ND |
2015-09-28 | 1225-003-1050 | ND |
2015-09-28 | 1225-008-1330 | ND |
2015-09-28 | 1225-010-0945 | ND |
2015-09-28 | 1225-009-1345 | ND |
2015-10-14 | 1225-019-0945 | ND |
2015-10-14 | 1225-002-1205 | ND |
2015-12-07 | 9588-009-1130 | ND |
2015-12-07 | 9588-019-1040 | ND |
2016-06-20 | 1225-019-1115 | ND |
2016-06-20 | 1225-010-1135 | ND |
2016-06-20 | 1225-008-1145 | ND |
2016-07-20 | 1225-002-1110 | ND |
2016-07-20 | 1225-009-1030 | ND |
2016-07-20 | 1225-003-1000 | ND |
2016-07-20 | 1225-007-0930 | ND |
2016-09-07 | 9588-002-1330 | ND |
2016-09-07 | 9588-003-1305 | ND |
2016-09-07 | 9588-007-1245 | ND |
2016-09-07 | 9588-008-1345 | ND |
2016-09-07 | 9588-010-1315 | ND |
2016-09-12 | 1225-019-0850 | ND |
2016-12-05 | 9588-019-1105 | ND |
2016-12-05 | 9588-009-1135 | ND |
2017-07-25 | 1225-009-1210 | ND |
2017-09-20 | 9588-010-1210 | ND |
2017-09-20 | 9588-008-1125 | ND |
2017-09-20 | 9588-002-1150 | ND |
2017-09-20 | 9588-007-1100 | ND |
2017-09-28 | 9588-003-0905 | ND |
2017-12-05 | 9588-019-1000 | ND |
2017-12-05 | 9588-009-1030 | ND |
2018-07-10 | 1225-009-0940 | ND |
2018-09-20 | 9588-010-1325 | ND |
2018-09-20 | 9588-008-1240 | ND |
2018-09-20 | 9588-002-1300 | ND |
2018-09-20 | 9588-007-1215 | ND |
2018-12-18 | 9588-009-1150 | ND |
2018-12-18 | 9588-019-1055 | ND |
2019-02-06 | 9590-022-1230 | ND |
2019-03-19 | 9588-003-1135 | ND |
2019-05-13 | 9588-022-1310 | ND |
2019-08-07 | 9588-007-1145 | ND |
2019-08-07 | 9588-022-1325 | ND |
2019-08-07 | 9588-019-1115 | ND |
2019-08-07 | 9588-002-1250 | ND |
2019-08-07 | 9588-008-1220 | ND |
2019-08-07 | 9588-009-1210 | ND |
2019-08-07 | 9588-010-1305 | ND |
2019-11-19 | 9588-022-1040 | ND |