Know Your Environment. Protect Your Health.

Chloromethane

Frankston Rural Water Supply Corporation

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

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
2018-03-20Q1811175004ND
2018-03-20Q1811175015ND
2018-03-20Q1811175022ND
2018-03-20Q1811175001ND
2019-04-16Q1915468005ND
2019-04-16Q1915468006ND
2019-04-16Q1915468008ND
2019-04-16Q1915468010ND
2020-10-28Q2041673001ND
2020-10-28Q2041673003ND
2020-10-28Q2041673005ND
2020-10-28Q2041673007ND
2021-08-05Q2120747014ND
2021-08-05Q2120747020ND
2021-08-05Q2120747018ND
2021-08-05Q2120747016ND
2022-10-21Q2232000002ND
2022-10-21Q2232000004ND
2022-10-21Q2232000006ND
2022-11-16Q2234518001ND
2023-04-12Q2313663005ND
2023-04-12Q2313663007ND
2023-04-12Q2313663009ND
2023-04-12Q2313663011ND