Know Your Environment. Protect Your Health.

Chloromethane

Ashcreek Addition

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
2018-02-13Q1805886001ND
2018-02-13Q1805886004ND
2019-08-12Q1954005001ND
2019-08-12Q1954005003ND
2020-02-12Q2005777005ND
2020-02-12Q2005777007ND
2021-07-08Q2117906006ND
2021-07-08Q2117906008ND
2022-09-29Q2229353001ND
2022-09-29Q2229353003ND
2023-12-04Q2351639001ND
2023-12-04Q2351639003ND