Chloromethane
South Orange Water Department
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.
7
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 |
---|---|---|---|---|
2015 | ND | 7 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
2020 | N/A | 0 | 0 | N/A |
2021 | N/A | 0 | 0 | N/A |
2022 | N/A | 0 | 0 | N/A |
2023 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2015-03-25 | 201503100383AM | ND |
2015-03-25 | 201503100382AM | ND |
2015-06-24 | 201506180052AM | ND |
2015-06-24 | 201506180051AM | ND |
2015-09-30 | 201510010364AM | ND |
2015-09-30 | 201510010247AM | ND |
2015-12-16 | 35222018001AM | ND |