The EPA regulation that requires a self-contained recovery machine at the place of business has an exception for which group?

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The rule aims to reduce regulatory burden for repairs involving very small refrigerant charges. Because small appliances carry only a small amount of refrigerant, having a dedicated self-contained recovery machine at every repair shop isn’t practical. For technicians who service small appliances, the exception lets them perform recovery without requiring a self-contained unit at the business location, while still following other handling and recovery requirements with portable or other approved equipment.

In contrast, larger systems like big commercial chillers contain much more refrigerant and pose greater risk if released, so they do not receive this exemption. Automotive A/C work isn’t covered by this particular exception, since it falls under a different regulatory framework. Although household refrigerators are examples of small appliances, the broader group—people working on small appliances—captures the intended exemption.