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Substances

Chlorofluorocarbons (CFCs)

Where is it Commonly Found?

HVAC - Refrigerant
HEALTH EFFECT SUMMARY
Ozone-depleting chemical that increases the risk of skin cancer and weakens immune systems.

What are its known health effects?

What are its suspected health effects?

Cardiovascular or Blood Toxicant (LADO - L)

Neurotoxicant (HAZMAP)

Alternative Materials

R-22, R-123, R-134a, R-245fa, R-407c, and R-410a refrigerants

Additional Regulatory Information

Currently banned in the U.S., but still found in old equipment.

Does it Correspond With Any Green Building Credits?

Living Building Challenge (1.2) - Prerequisite 5;
Living Building Challenge 3.0 - Red List;
LEED - NC: Credits EA 4;
Green Guide for Health Care - EA Prerequisite 3: Optimized Energy Performance;
Green Guide for Health Care - EA 4: Enhanced Refrig

How is it Categorized?

Ozone Depleting Gases

What is its Origin?

Currently banned in the U.S., but still found in old equipment.

In 1928, engineer Thomas Midgley developed Chlorofluorocarbons (CFC) as a replacement for toxic refrigrants of the time.

Divisions and Sections

General Reference