Chloromethane
South Huntington 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.
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 |
|---|---|---|---|---|
| 2013 | ND | 4 | 0 | ND |
| 2014 | ND | 7 | 0 | ND |
| 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 |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2013-11-19 | 90027 | ND |
| 2013-11-19 | 78156 | ND |
| 2013-11-20 | 78142 | ND |
| 2013-11-20 | 78137 | ND |
| 2014-04-15 | 78121 042014 | ND |
| 2014-05-12 | UCMR3 EP013 | ND |
| 2014-05-12 | UCMR3 EP016 | ND |
| 2014-05-12 | UCMR3 EP012 | ND |
| 2014-05-14 | UCMR3 EP007 | ND |
| 2014-05-14 | 78137 05/14/2014 | ND |
| 2014-05-16 | UCMR3 EP015 | ND |
| 2015-01-23 | 78132 012015 | ND |
| 2015-01-23 | 78148 012015 | ND |
| 2015-01-26 | 78152 012015 | ND |
| 2015-04-23 | 78130 42015 | ND |
| 2015-07-27 | 78148 72015 | ND |
| 2015-07-27 | 78132 72015 | ND |
| 2015-10-21 | 78130 1015 | ND |