Alpha-hexachlorocyclohexane
Bristol County Water Authority
NOTE: Bristol County Water Authority purchases water from City of Providence which is required to test for alpha-hexachlorocyclohexane. Sample information shown below was taken by City of Providence.
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 | 1 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Bristol County Water Authority purchases water from City of Providence which is required to test for alpha-hexachlorocyclohexane. Sample information shown below was taken by City of Providence.
Date | Lab ID | Result |
---|---|---|
2018-03-09 | U8B0035-01 | ND |
2018-05-23 | U8E0020-01 | ND |
2018-08-24 | U8H0020-01 | ND |
2019-01-02 | U8L0037-01 | ND |