Chlorodifluoromethane
Chlorodifluoromethane, also known as HCFC-22, is a colorless gas with a sweet odor. It is used primarily as a refrigerant and in the production of fluoropolymers. It has a boiling point of -40.8 °C and is classified as a hydrochlorofluorocarbon (HCFC).
EPA MCLG Level
104 ppb
Maximum level that poses minimal health risk based on the latest science
Health Effects
Exposure to chlorodifluoromethane can lead to respiratory issues, skin irritation, and potential effects on the central nervous system. Long-term exposure may result in more severe health effects, including damage to the liver and kidneys.
Affected Organs & Systems:
Common Sources
- industrial discharge
- agricultural runoff
- natural deposits
How to Remove It
Water filters certified under the following NSF standards are effective at removing Chlorodifluoromethane:
EPA MCLG Level
The EPA MCLG represents the maximum level that poses minimal health risk based on the latest scientific research. It's often more protective than federal legal limits.
Contaminant Type
Chlorodifluoromethane is classified as a Organics contaminant.
This contaminant primarily affects the respiratory system, skin, and other systems.
Check Your Water
Find out if Chlorodifluoromethane is in your tap water.
Search Your CityTest Your Water for This Contaminant
Public water reports may not test frequently enough or at your specific tap. Professional home testing provides current, location-specific results.

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