Alpha-hexachlorocyclohexane
Jefferson County Cons. PWSD C 1
NOTE: Jefferson County Cons. PWSD C 1 purchases water from Missouri American St. Louis County & St. Charles County which is required to test for alpha-hexachlorocyclohexane. Sample information shown below was taken by Missouri American St. Louis County & St. Charles County.
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: Jefferson County Cons. PWSD C 1 purchases water from Missouri American St. Louis County & St. Charles County which is required to test for alpha-hexachlorocyclohexane. Sample information shown below was taken by Missouri American St. Louis County & St. Charles County.
Date | Lab ID | Result |
---|---|---|
2019-03-12 | 43202701 | ND |
2019-03-12 | 43201901 | ND |
2019-03-12 | 43199701 | ND |
2019-03-12 | 43200701 | ND |
2019-06-12 | 44591301 | ND |
2019-06-12 | 44585301 | ND |
2019-06-12 | 44582601 | ND |
2019-06-12 | 44583801 | ND |
2019-09-12 | 46391301 | ND |
2019-09-12 | 46390201 | ND |
2019-09-12 | 46387401 | ND |
2019-09-12 | 46388601 | ND |
2019-12-10 | 47534701 | ND |
2019-12-10 | 47533801 | ND |
2019-12-10 | 47531501 | ND |
2019-12-10 | 47532501 | ND |