Know Your Environment. Protect Your Health.

Chloromethane

Kooskooskie Cabin Owners Inc.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.690 ppb110.690 ppb
20190.585 ppb21ND - 1.17 ppb
2020N/A00N/A
2021ND10ND
2022ND20ND
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
2018-04-030.690 ppb
2019-04-03ND
2019-09-101.17 ppb
2021-04-054092805ND
2022-04-044271920ND
2022-05-044276005ND