Know Your Environment. Protect Your Health.

Chloromethane

Paw Penn 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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
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
2014-10-0627102001ND
2014-10-0627101801ND
2014-10-0627102101ND
2014-10-1327101901ND
2014-10-1327102201ND
2014-10-1327101701ND
2014-10-1427102301ND
2014-10-1427102401ND
2015-04-0328566101ND
2015-04-0328566501ND
2015-04-0328566401ND
2015-04-0328565901ND
2015-04-0728566201ND
2015-04-0728566001ND
2015-04-0728566601ND
2015-04-0828566301ND