Know Your Environment. Protect Your Health.

Chloromethane

South Kingstown-south Shore

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND10ND
2020ND30ND
2021ND10ND
2022ND10ND
2023ND30ND

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
2018-09-201804157-01_TO12ND
2019-09-261904399-01_TO12ND
2020-08-032003233-01_TO12ND
2020-08-032003233-03_TO12ND
2020-08-032003233-02_TO12ND
2021-09-282104543-01_TO12ND
2022-09-152204140-01_TO12ND
2023-08-012303773-01_TO12ND
2023-08-012303773-02_TO12ND
2023-08-012303773-03_TO12ND