1,1-Dichloropropene
Helena Water System
1,1-Dichloropropene is an industrial chemical.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 2 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-05-27 | H14050436-001A | ND |
2014-05-27 | H14050436-002A | ND |
2015-05-21 | H15050321-001A | ND |
2015-05-21 | H15050321-002A | ND |
2015-05-21 | H15050321-003A | ND |
2016-05-10 | H16050166-001A | ND |
2016-05-10 | H16050166-002A | ND |
2017-05-25 | H17050520-001A | ND |
2017-05-25 | H17050520-002A | ND |
2018-05-29 | H18050689-001A | ND |
2018-05-29 | H18050689-002A | ND |
2018-05-30 | H18050718-001A | ND |
2019-07-12 | H19070266-001A | ND |
2019-07-12 | H19070266-002A | ND |