Know Your Environment. Protect Your Health.

Chloromethane

Tangipahoa Parish Water District

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND70ND
2015ND80ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
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
2014-12-1835168699009AMND
2014-12-1835168699007AMND
2014-12-1835168699013AMND
2014-12-1835168699011AMND
2014-12-1835168699001AMND
2014-12-1835168699005AMND
2014-12-1835168699003AMND
2015-06-2435194588011AMND
2015-06-2435194588009AMND
2015-06-2435194588015AMND
2015-06-2435194588013AMND
2015-06-2435194588003AMND
2015-06-2435194588001AMND
2015-06-2435194588007AMND
2015-06-2435194588005AMND