For a HCFC-22 appliance or isolated component normally containing less than 200 pounds of refrigerant, what is the required recovery level in inches of mercury before November 15, 1993?

Study for the EPA Type 2 Test. Explore flashcards and multiple choice questions, with each question offering hints and explanations. Get prepared for your exam!

The concept being tested is how recovery requirements for small refrigerant systems were defined in EPA rules before a certain date. For HCFC-22 appliances or isolated components that normally contain less than 200 pounds of refrigerant, the regulation in effect prior to November 15, 1993 did not require pulling a deep vacuum during recovery. Instead, the standard was 0 inches of mercury, meaning there was no specified vacuum depth to meet. In practical terms, technicians were required to recover the refrigerant, but there was no minimum vacuum target to achieve.

This reflects the historical approach for smaller systems at that time: the emphasis was on removing refrigerant rather than achieving a particular degree of vacuum. The other options imply a defined vacuum depth, which did not apply under the pre-1993 rule for those small HCFC-22 systems.