Know Your Environment. Protect Your Health.

Chloromethane

City of Big Sandy

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
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
2018-08-30Q1834898002ND
2018-08-30Q1834898003ND
2019-10-10Q1972217003ND
2019-10-10Q1972217005ND
2020-06-22Q2024983006ND
2020-06-22Q2024983008ND
2021-07-14Q2118474002ND
2021-07-14Q2118474004ND
2022-07-25Q2220981003ND
2022-07-25Q2220981005ND
2023-07-13Q2327537004ND
2023-10-03Q2342306007ND