Know Your Environment. Protect Your Health.

Chloromethane

Mille Lacs Island Resort

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020N/A00N/A
2021ND30ND
2022ND20ND
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
2018-05-3018E2500-01ND
2019-10-0219J0187-01ND
2021-06-3021F1878-01ND
2021-08-1021H0853-01ND
2021-10-0121J0059-01ND
2022-07-1222G0658-01ND
2022-07-1222G0658-03ND
2023-06-0123F0179-01ND
2023-07-2723G1984-01ND