Know Your Environment. Protect Your Health.

Hexachlorocyclopentadiene

Camelot S/d

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
2018ND40ND
2019ND10ND
2020ND10ND
2021ND30ND
2022ND20ND
2023ND10ND

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
2018-01-16CA18222-02ND
2018-01-16CA18222-03ND
2018-01-16CA18222-04ND
2018-12-17CB17553-01ND
2019-05-29CC07534-01ND
2020-01-29CC19919-01ND
2021-01-19CD18545-03ND
2021-01-20CE01048-01ND
2021-01-20CE01048-02ND
2022-04-26CF02235-01ND
2022-09-14CF06991-01ND
2023-08-1737729_23-45972ND