Know Your Environment. Protect Your Health.

Chloromethane

Washington Township Mua-schoo

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.

 

38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015ND160ND
2016N/A00N/A
2017N/A00N/A
2018ND80ND
2019ND20ND
2020N/A00N/A
2021ND80ND
2022ND20ND
2023ND20ND

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
2015-01-19111034PND
2015-01-19111035PND
2015-01-19111036PND
2015-01-19111037PND
2015-01-19111038PND
2015-01-19111039PND
2015-01-19111040PND
2015-01-19111041PND
2015-07-20114608PND
2015-07-20114612PND
2015-07-20114615PND
2015-07-21114609PND
2015-07-21114611PND
2015-07-21114614PND
2015-07-22114610PND
2015-07-22114613PND
2018-08-15L7061691-1ND
2018-10-02L7075896-3ND
2018-10-11L7078128-3ND
2018-10-16L7078602-4ND
2018-10-16L7078602-7ND
2018-11-13L7084148-3ND
2018-12-11L7089480-3ND
2018-12-18L7091234-1ND
2019-11-04L7171843-1ND
2019-11-04L7171843-2ND
2021-03-08630-14481-1ND
2021-04-06630-15633-1ND
2021-10-19630-23380-1ND
2021-10-19630-23380-4ND
2021-10-19630-23380-2ND
2021-10-19630-23380-3ND
2021-10-19630-23380-5ND
2021-10-19630-23380-6ND
2022-02-01630-26825-1ND
2022-10-11630-47222-1ND
2023-01-17630-53638-1ND
2023-10-03630-73292-1ND