Know Your Environment. Protect Your Health.

Chloromethane

Brooklyn Park

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
2014ND20ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND20ND
2020ND10ND
2021ND20ND
2022N/A00N/A
2023ND10ND

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
2014-03-171077167003ND
2014-09-022026826003ND
2018-05-1518E1224-01ND
2019-07-2219G1527-01ND
2019-07-2219G1527-02ND
2020-07-2420G1753-01ND
2021-04-3021D1962-01ND
2021-10-2721J1490-01ND
2023-08-0723H0586-01ND