Know Your Environment. Protect Your Health.

Chloromethane

Mankato

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015ND40ND
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND20ND

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
2015-02-242056362003ND
2015-05-282073672003ND
2015-08-182090252003ND
2015-11-172109068003ND
2018-10-1718J0914-01ND
2019-09-1619I0904-01ND
2020-06-0820F0689-01ND
2021-12-0821L0413-01ND
2022-10-2622J1252-01ND
2023-07-1923G1295-02ND
2023-10-3123K0053-01ND