Know Your Environment. Protect Your Health.

Chloromethane

Rosemount

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND60ND
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND50ND
2019ND40ND
2020ND40ND
2021ND50ND
2022ND10ND
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
2013-03-261018721003ND
2013-03-261018721009ND
2013-03-261018721006ND
2013-10-301056181003ND
2013-10-301056181009ND
2013-10-301056181006ND
2018-10-2418J1245-03ND
2018-10-2418J1245-02ND
2018-10-2418J1247-01ND
2018-10-2418J1247-02ND
2018-10-2418J1247-03ND
2019-02-1519B0722-01ND
2019-04-2919D2437-01ND
2019-09-1219I0608-01ND
2019-11-2519K1669-01ND
2020-01-0720A0140-05ND
2020-01-0720A0140-04ND
2020-01-0720A0140-03ND
2020-05-1920E1077-01ND
2021-05-0321E0039-03ND
2021-05-0321E0039-05ND
2021-05-0321E0039-06ND
2021-05-0321E0039-02ND
2021-05-0321E0038-01ND
2022-05-1722E1321-01ND
2023-10-3123J1741-01ND
2023-10-3123J1741-02ND
2023-10-3123J1741-03ND
2023-10-3123J1743-01ND