Hexachlorobutadiene

Imperial, City of

Hexachlorobutadiene is an industrial chemical and possible human carcinogen.

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Year	Average result	Samples taken	Range of results
2014	ND	4	ND
2015	ND	1	ND
2016	N/A	0	N/A
2017	ND	4	ND
2018	ND	1	ND
2019	N/A	0	N/A

ppb = parts per billion