Chloromethane
J & R Mobile Home Park
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.
6
Samples
0
Samples exceeding legal limit (MCL)
3
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 2.80 ppb | 1 | 1 | 2.80 ppb |
| 2019 | 2.60 ppb | 1 | 1 | 2.60 ppb |
| 2020 | 3.30 ppb | 1 | 1 | 3.30 ppb |
| 2021 | 3.20 ppb | 1 | 1 | 3.20 ppb |
| 2022 | 2.10 ppb | 1 | 1 | 2.10 ppb |
| 2023 | ND | 1 | 0 | ND |
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 |
|---|---|---|
| 2018-09-24 | AE41333 | 2.80 ppb |
| 2019-09-12 | AE83248 | 2.60 ppb |
| 2020-03-17 | AF03119 | 3.30 ppb |
| 2021-08-23 | AF67468 | 3.20 ppb |
| 2022-07-26 | AG06411 | 2.10 ppb |
| 2023-11-10 | AG63149 | ND |