Know Your Environment. Protect Your Health.

Hexachlorocyclopentadiene

Young Harris

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND30ND
2022ND90ND
2023N/A00N/A

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
2021-12-06AK91237ND
2021-12-06AK91239ND
2021-12-06AK91241ND
2022-02-21AK95219ND
2022-02-21AK95221ND
2022-02-21AK95223ND
2022-05-02AK99725ND
2022-05-02AK99727ND
2022-05-02AK99729ND
2022-08-22AL09520ND
2022-08-22AL09522ND
2022-08-22AL09524ND