Know Your Environment. Protect Your Health.

Chloromethane

Denair Community Services 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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019N/A00N/A
2020ND20ND
2021ND20ND
2022N/A00N/A
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
2018-09-07CA5010021_010_010-201809070915ND
2018-09-07CA5010021_009_009-201809070850ND
2020-10-08CA5010021_007_007-202010081024ND
2020-10-08CA5010021_008_008-202010080951ND
2021-09-16CA5010021_010_010-202109161000ND
2021-09-16CA5010021_009_009-202109160925ND
2023-10-10CA5010021_008_008-202310101014ND
2023-10-10CA5010021_007_007-202310101000ND