Know Your Environment. Protect Your Health.

Chloromethane

Seven Estates

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND30ND
2021ND20ND
2022ND30ND
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
2020-03-05Q2008336001ND
2020-03-05Q2008336003ND
2020-08-27Q2034428005ND
2021-09-13Q2124817001ND
2021-09-13Q2124817003ND
2022-04-27Q2212699005ND
2022-04-27Q2212699007ND
2022-10-19Q2231793003ND
2023-05-04Q2317011001ND
2023-05-04Q2317011003ND
2023-05-04Q2317011005ND