Know Your Environment. Protect Your Health.

Hexachlorocyclopentadiene

Cedar Point

Hexachlorocyclopentadiene was historically used for the manufacture of currently banned pesticides, such as endrin, dieldrin and chlordane. It’s still used for production of flame retardants, resins and plastics.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020ND50ND
2021ND50ND
2022ND50ND
2023ND50ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 2 ppb

The EWG Health Guideline of 2 ppb for hexachlorocyclopentadiene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the stomach and intestines.

EPA Maximum Contaminant
Level (MCL): 50 ppb

The legal limit for hexachlorocyclopentadiene, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-15AE14225ND
2018-03-28AE20739ND
2018-05-23AE27598ND
2018-09-14AE40329ND
2018-11-29AE47436ND
2019-02-28AE56705ND
2019-02-28AE56707ND
2019-05-28AE68292ND
2019-09-11AE83066ND
2019-11-19AE89836ND
2020-02-18AE98850ND
2020-02-18AE98852ND
2020-06-08AF14545ND
2020-09-01AF26106ND
2020-11-05AF33548ND
2021-03-11AF46640ND
2021-03-11AF46641ND
2021-05-24AF55179ND
2021-09-13AF69646ND
2021-11-02Q2130957001ND
2022-01-31AF82697ND
2022-01-31AF82698ND
2022-04-19AF93689ND
2022-08-18AG10099ND
2022-12-20AG22436ND
2023-02-21AG29806ND
2023-02-21AG29807ND
2023-04-19AG37417ND
2023-09-06AG55188ND
2023-12-14AG66720ND