Alpha-hexachlorocyclohexane
Co Water District of Billings Heights
NOTE: Co Water District of Billings Heights purchases water from City of Billings which is required to test for alpha-hexachlorocyclohexane. Sample information shown below was taken by City of Billings.
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 |
---|---|---|---|---|
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 | 3 | 0 | ND |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Co Water District of Billings Heights purchases water from City of Billings which is required to test for alpha-hexachlorocyclohexane. Sample information shown below was taken by City of Billings.
Date | Lab ID | Result |
---|---|---|
2018-05-21 | 201805220631 | ND |
2018-08-22 | 4033014 | ND |
2018-11-13 | 4120612 | ND |
2019-02-11 | 4195553 | ND |