Know Your Environment. Protect Your Health.

Chloromethane

Gowanda Village

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
20200.485 ppb21ND - 0.970 ppb
2021ND20ND
2022ND10ND
2023ND10ND

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
2018-09-24EHS1800042291-01-POCND
2018-09-24EHS1800042292-01-POCND
2020-08-120082693-01ND
2020-12-1531485980010.970 ppb
2021-04-06EHS2100041027-POCND
2021-04-06EHS2100041029-POCND
2022-09-222094392-01ND
2023-12-21A3L3374-01ND