Iodomethane

City of Katy

Iodomethane (methyl iodide) is an industrial chemical and soil fumigant. It is not allowed for use in California due to the harm it poses to human health.

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Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2013	N/A	0	N/A
2014	ND	1	ND
2015	ND	7	ND
2016	ND	8	ND
2017	ND	6	ND
2018	ND	6	ND
2019	ND	5	ND

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-07-25	AC61114	ND
2015-01-20	AC76792	ND
2015-01-20	AC76782	ND
2015-01-20	AC76772	ND
2015-01-20	AC76776	ND
2015-01-20	AC76774	ND
2015-05-28	AC93617	ND
2015-05-28	AC93621	ND
2016-01-14	AD18225	ND
2016-01-14	AD18223	ND
2016-01-14	AD18231	ND
2016-01-14	AD18263	ND
2016-01-14	AD18229	ND
2016-03-15	AD28802	ND
2016-07-18	AD44547	ND
2016-10-07	AD52842	ND
2017-02-09	AD69958	ND
2017-02-09	AD69938	ND
2017-02-09	AD69952	ND
2017-02-09	AD69942	ND
2017-02-09	AD69940	ND
2017-02-09	AD70006	ND
2018-01-08	AE08054	ND
2018-01-08	AE08058	ND
2018-01-08	AE08056	ND
2018-01-08	AE08060	ND
2018-01-08	AE08062	ND
2018-01-08	AE08052	ND
2019-01-14	AE49623	ND
2019-01-14	AE49613	ND
2019-01-14	AE49629	ND
2019-01-14	AE49617	ND
2019-01-14	AE49615	ND