Chloromethane
Sundance Addition
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.
18
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-03-27 | Q1812580018 | ND |
| 2018-03-27 | Q1812580020 | ND |
| 2018-03-27 | Q1812580009 | ND |
| 2019-09-09 | Q1962975001 | ND |
| 2019-09-09 | Q1962975003 | ND |
| 2019-09-09 | Q1962975005 | ND |
| 2020-07-22 | Q2028870001 | ND |
| 2020-07-22 | Q2028870003 | ND |
| 2020-07-22 | Q2028870009 | ND |
| 2021-12-09 | Q2134714007 | ND |
| 2021-12-09 | Q2134714011 | ND |
| 2021-12-09 | Q2134714009 | ND |
| 2022-10-21 | Q2232010003 | ND |
| 2022-10-21 | Q2232010005 | ND |
| 2022-10-21 | Q2232010007 | ND |
| 2023-03-20 | Q2310440001 | ND |
| 2023-03-20 | Q2310440003 | ND |
| 2023-03-20 | Q2310440005 | ND |