Chloromethane
Dix Hills Water District
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 |
|---|---|---|---|---|
| 2014 | ND | 10 | 0 | ND |
| 2015 | ND | 8 | 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 |
|---|---|---|
| 2014-10-21 | 11919 112014 | ND |
| 2014-10-22 | 78278 112014 | ND |
| 2014-10-22 | 78275 112014 | ND |
| 2014-10-22 | 78282 112014 | ND |
| 2014-11-20 | 78298 112014 | ND |
| 2014-11-20 | 90017 112014 | ND |
| 2014-11-20 | 78302 112014 | ND |
| 2014-11-24 | 78295 112014 | ND |
| 2014-11-24 | 78293 112014 | ND |
| 2014-11-24 | 78288 112014 | ND |
| 2015-04-29 | 78282 042015 | ND |
| 2015-04-29 | 11919 042015 | ND |
| 2015-04-30 | 78275 072015 | ND |
| 2015-04-30 | 78278 072015 | ND |
| 2015-05-27 | 78302 072015 | ND |
| 2015-05-27 | 78293 072015.1 | ND |
| 2015-05-29 | 78288 072015 | ND |
| 2015-05-29 | 90017 072015 | ND |