Know Your Environment. Protect Your Health.

Chloromethane

City of Coeur D Alene

Chloromethane is an industrial solvent, aerosol propellant and a refrigerant. It also forms as a byproduct of water disinfection. The EPA classifies chloromethane as possibly carcinogenic to humans.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND110ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 2.69 ppb

The EWG Health Guideline of 2.69 ppb for chloromethane was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-25140827001-001ND
2014-08-25140827001-005ND
2014-08-25140827001-007ND
2014-08-25140827001-006ND
2014-08-25140827001-002ND
2014-08-25140827001-004ND
2014-08-25140827001-003ND
2014-08-25140827001-008ND
2014-08-25140827001-009ND
2015-01-20150121002-001ND
2015-01-20150121001-001ND
2015-06-08150612001-008ND
2015-06-08150612001-002ND
2015-06-08150612001-005ND
2015-06-08150612001-004ND
2015-06-09150612001-007ND
2015-06-09150612001-006ND
2015-06-09150612001-003ND
2015-06-09150612001-001ND
2015-06-09150612001-009ND