Know Your Environment. Protect Your Health.

Chloromethane

Pulaski County Public Water Supply District 2

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND90ND
2019ND40ND
2020ND10ND
2021N/A00N/A
2022N/A00N/A
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
2018-01-10AD12046ND
2018-03-05AD17401ND
2018-05-03AD18576ND
2018-06-04AD19098ND
2018-06-04AD19099ND
2018-06-04AD19100ND
2018-06-04AD19101ND
2018-07-11AD29485ND
2018-10-12AD35058ND
2019-01-08AD38366ND
2019-04-08AD46655ND
2019-07-12AD52707ND
2019-10-18AD57365ND
2020-01-13AD60686ND