Know Your Environment. Protect Your Health.

Chloromethane

Woodlake, City Of

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
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND70ND
2019ND80ND
2020ND20ND
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
2018-02-27CA5410020_009_009-201802271430ND
2018-02-27CA5410020_010_010-201802271418ND
2018-06-28CA5410020_010_010-201806281355ND
2018-06-28CA5410020_009_009-201806281344ND
2018-09-20CA5410020_010_010-201809201140ND
2018-09-20CA5410020_009_009-201809201154ND
2018-12-28CA5410020_009_009-201812281305ND
2019-03-11CA5410020_009_009-201903111238ND
2019-03-11CA5410020_010_010-201903111250ND
2019-05-07CA5410020_010_010-201905071315ND
2019-05-07CA5410020_009_009-201905071340ND
2019-08-22CA5410020_010_010-201908221315ND
2019-08-22CA5410020_009_009-201908221331ND
2019-11-26CA5410020_010_010-201911261325ND
2019-11-26CA5410020_009_009-201911261340ND
2020-12-08CA5410020_004_004-202012081250ND
2020-12-08CA5410020_007_007-202012081305ND