Know Your Environment. Protect Your Health.

Chloromethane

Trail Ridge Condominiums

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND20ND
2020ND20ND
2021ND50ND
2022ND20ND
2023ND10ND

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 Result
2018-05-29ND
2018-05-29ND
2018-05-29ND
2018-05-29ND
2019-05-31ND
2019-05-31ND
2020-05-28ND
2020-05-28ND
2021-05-06ND
2021-05-06ND
2021-05-06ND
2021-05-06ND
2021-05-13ND
2022-06-14ND
2022-06-14ND
2023-04-27ND