Know Your Environment. Protect Your Health.

Chloromethane

City of Tolar

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
2023ND20ND

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
2018-08-02Q1830780001ND
2018-08-02Q1830780003ND
2019-08-26Q1959151003ND
2019-08-26Q1959151005ND
2020-08-12Q2032138001ND
2020-08-12Q2032138003ND
2021-06-07Q2114601005ND
2021-06-07Q2114601007ND
2022-06-20Q2216937001ND
2022-06-20Q2216937003ND
2023-05-10Q2317956005ND
2023-05-10Q2317956007ND