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DECEIVE <br />66. In the event of a large release of refrigerant in a confined area, what is required? MAY 18 215 <br />67. In large quantities, what can refrigerants cause? ENVIRONMENTAL <br />68. At high temperatures, R-12 and R-22 decompose to form what? NFp!TH )FPAATMrN r <br />69. Cylinders should be transported in what position? <br />70. Technicians servicing small appliances must be certified in refrigerant recovery if they perform what <br />service? <br />71. What is the EPA definition of a small appliance? <br />72. Recovery equipment manufactured before what date must be capable of removing 80% of the refrigerant, <br />whether or not the compressor is operating, or achieve 4 inch vacuum under the conditions of ARI 740? <br />73. Recovery equipment manufactured after what date must be certified by an EPA approved testing laboratory, <br />(example, U.L. or E.T.L) as capable of recovering 90% of the refrigerant if the compressor is operating, 80% of <br />the refrigerant if the compressor is not operating, or achieving a 4 inch vacuum under the conditions of ARI <br />740? <br />74. Does the EPA require leak repair for small appliances? <br />75. What type of recovery equipment has its own means of removing refrigerant from appliances and is capable <br />of reaching the required recovery rates whether or not the appliance compressor is operable? <br />76. What is the only way to read a refrigerant pressure accurately? <br />77. A system -dependent (passive) recovery process for small appliances captures refrigerant into what? <br />78. System dependent devices may only be used on appliances containing how many lbs. of refrigerant? <br />79. If a strong odor is detected during the recovery process, what has likely occurred? <br />80. May nitrogen be vented? <br />81. After installation of any type of system, the unit should first be pressurized with what? <br />82. Excessive superheat, caused by a low refrigerant charge, is also an indication of what? <br />83. EPA regulations require that all comfort cooling appliances containing more than 50 lbs. of refrigerant must <br />be repaired when? <br />84. EPA regulations require that all Commercial and Industrial Process Refrigeration containing more than 50 <br />lbs. of refrigerant must be repaired when? <br />Providing outstanding, nationwide refrigerant recovery for the HVAC/Refrigeration/Demolition/Marine industries. <br />Local On -Site Service β€”An Independently Owned & Operated Franchise Company <br />