Alpha-hexachlorocyclohexane
Dublin San Ramon Services District
NOTE: Dublin San Ramon Services District purchases water from Zone 7 Water Agency which is required to test for alpha-hexachlorocyclohexane. Sample information shown below was taken by Zone 7 Water Agency.
Alpha-HCH is a byproduct of the production of the insecticide lindane, which is no longer used in the U.S. The International Agency for Research on Cancer has classified all forms of this chemical as possibly carcinogenic to humans.
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 | N/A | 0 | 0 | N/A |
2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Dublin San Ramon Services District purchases water from Zone 7 Water Agency which is required to test for alpha-hexachlorocyclohexane. Sample information shown below was taken by Zone 7 Water Agency.
Date | Lab ID | Result |
---|