Know Your Environment. Protect Your Health.

Chloromethane

North Saint Paul

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015ND50ND
2016N/A00N/A
2017N/A00N/A
2018ND50ND
2019N/A00N/A
2020N/A00N/A
2021ND50ND
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
2015-03-102058629003ND
2015-03-102058629006ND
2015-09-022093588001ND
2015-09-022093588006ND
2015-12-092112836001ND
2018-04-1118D0458-01ND
2018-04-1118D0458-02ND
2018-04-1118D0458-03ND
2018-04-1118D0458-04ND
2018-04-1118D0461-01ND
2021-07-1321G0531-02ND
2021-07-1321G0531-03ND
2021-07-1321G0531-04ND
2021-07-1321G0531-05ND
2021-07-1321G0531-06ND