trans-1,3-Dichloropropene
San Francisco City Water System
1,3-Dichloropropene is a volatile cancer-causing chemical primarily used as a nematocide to fumigate agricultural soils. It exists in two different forms: cis-1,3-dichloropropene and trans-1,3-dichloropropene.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 8 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2018-03-06 | 9590-004-1031 | ND |
2018-03-08 | 9590-006-0925 | ND |
2018-04-17 | 9590-007-1055 | ND |
2018-04-30 | 9590-008-1013 | ND |
2018-06-12 | 9590-004-1058 | ND |
2018-06-12 | 9590-008-0930 | ND |
2018-07-17 | 9590-007-0519 | ND |
2018-09-12 | 9590-004-0944 | ND |