Know Your Environment. Protect Your Health.

Chloromethane

Oaklawn Academy

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND50ND
2021ND10ND
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
2018-02-141041124ND
2018-04-091049094ND
2018-07-101065961ND
2018-10-081085732ND
2019-03-051107902ND
2019-04-221116690ND
2019-08-061139111ND
2019-10-211156365ND
2020-05-111187405ND
2020-05-111187406ND
2020-07-281202815ND
2020-12-091231825ND
2020-12-091231824ND
2021-03-091243045ND