Know Your Environment. Protect Your Health.

Chloromethane

Hardyston Township Municipal Utilities Authority

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
2018ND50ND
2019ND10ND
2020ND10ND
2021ND20ND
2022ND10ND
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
2018-03-20L7010368-3ND
2018-05-15L7025940-2ND
2018-06-20L7042368-4ND
2018-09-12L7071987-1ND
2018-12-18L7089323-3ND
2019-03-06L7108097-1ND
2020-06-26200626034-01ND
2021-07-21210721105-02ND
2021-07-21210721105-07ND
2022-09-13220913061-04ND