Know Your Environment. Protect Your Health.

Chloromethane

Linkwood Estates Subdivision

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
20230.360 ppb21ND - 0.720 ppb

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
2018-02-13Q1805888002ND
2018-02-13Q1805888004ND
2019-03-05Q1909165002ND
2019-03-05Q1909165003ND
2020-02-12Q2005782001ND
2020-02-12Q2005782003ND
2021-06-16Q2115848004ND
2021-09-13Q2124828001ND
2022-03-22Q2209181002ND
2022-03-22Q2209181005ND
2023-02-21Q23070210020.720 ppb
2023-12-04Q2351646001ND