Know Your Environment. Protect Your Health.

Chloromethane

Firgrove Mutual Inc

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.

 

35

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND120ND
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019N/A00N/A
2020N/A00N/A
2021ND110ND
2022ND30ND
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
2014-11-17201411190378AMND
2014-11-17201411190437AMND
2014-11-17201411190454AMND
2014-11-17201411190490AMND
2014-11-17201411190528AMND
2014-11-17201411190452AMND
2014-11-17201411190526AMND
2014-12-12201412160672AMND
2015-02-13201502160119AMND
2015-02-13201502160121AMND
2015-05-18201505200365AMND
2015-05-18201505210078AMND
2015-05-18201505200651AMND
2015-05-18201505200655AMND
2015-05-18201505200274AMND
2015-05-18201505200243AMND
2015-05-18201505200251AMND
2015-05-18201505200262AMND
2015-05-18201505210076AMND
2015-08-21201508250571AMND
2018-05-08ND
2021-04-224106995ND
2021-04-224106996ND
2021-04-224109492ND
2021-05-034115218ND
2021-05-034115220ND
2021-05-044115219ND
2021-05-264122784ND
2021-05-264122785ND
2021-06-104131887ND
2021-08-164163794ND
2021-10-134191674ND
2022-03-044258476ND
2022-03-284268782ND
2022-04-204274621ND