Know Your Environment. Protect Your Health.

Chloromethane

Barre City Water System

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
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
2014-01-22A4A0076-01AND
2014-04-07A4C0716-01AND
2014-07-21A4G1008-01AND
2014-10-08A4I2467-01AND
2018-01-231801-01636-001ND
2019-01-091901-00741-001ND
2020-01-092001-00854-001ND
2021-02-182102-04505-001ND
2022-01-272201-02202-001ND
2023-03-152303-06800-001ND