Know Your Environment. Protect Your Health.

Chloromethane

Connecticut Correctional Institute

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND40ND
2020ND10ND
2021ND10ND
2022ND30ND
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 Lab ID Result
2018-01-16308608GEND
2019-01-22CC32920ND
2019-01-29CC35679ND
2019-01-29CC35682ND
2019-12-10330471GEND
2020-02-25CF37530ND
2021-01-14CH46414ND
2022-02-08CK31864ND
2022-02-08CK31868ND
2022-09-13CM29463ND
2023-09-19CP02568ND