Know Your Environment. Protect Your Health.

Chloromethane

Warrington Twp Water&sew Dept

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
20150.0500 ppb92ND - 0.250 ppb
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
2014-11-11830998-12862ND
2014-11-11831006-12854ND
2014-11-11831002-12854ND
2014-11-11831012-12854ND
2014-11-11831008-12862ND
2014-11-11831004-12862ND
2014-11-11831014-12854ND
2014-11-11831016-12854ND
2015-02-09842481-13389ND
2015-05-11859200-14080ND
2015-05-11859192-14080ND
2015-05-11859202-14080ND
2015-05-11859198-14080ND
2015-05-11859204-140800.250 ppb
2015-05-11859208-14080ND
2015-05-11859194-14080ND
2015-08-2033055030.200 ppb