Date System Type Refrigerant Type / Full Charge Leak Rate Notes 7/29/2005Warehouse, manufacturing type

chiller. R-22 / 1256 lbs 1815.00% Repaired and converted. Retrofitted May 06. 10/5/2005 Supermarket in AZ. R-22 / 550 lbs 82.10% Added 120 lbs. Piping suspected. 7/15/2005 Chiller equipment associated with

comfort air conditioning unit. R-22 / 60 lbs 1.05 lbs / day for 57 days Malfunctioning shredder caps suspected. Two

caps replaced. 60 lbs. added. 1/12/2005 Industrial refrigeration unit at

manufacturing facility. R-22 / 18581 lbs 41.70% Leak on flange. Removed flange joint. Pipe welded directly onto tank. 7/19/200450-ton HVAC unit at manufacturing

facility. R-22 / 90 lbs 290.00% Evaporator coil leak. Replacement ordered. Estimated repair 9/15/04. 12/17/200440-ton chiller unit at chemical

manufacturing plant. R-22 / 70 lbs Not Specified Electrical terminal seals cause. 30 lbs recharged after replacement. 7/x/2004 HMD CRU at manufacturing plant. R-22 / Not Specified Not Specified 11 system leaks found & repaired over ~1.5 months. Charged with 5885 lbs. 4/19/2005 Industrial chiller unit. R-11 / Not Specified Not Specified 1,280 lbs. released after evaporator charging valve rupture. Recovery unsuccessful. Valve replaced. 3/16/2005 Process Refrigeration System DBR01A/B R-22 / Not Specified 77.00% Seven leaks found and repaired. Repair verification on 5/24/2005. 8/11/2004 Industrial chiller unit. R - 123 / 1,450 lbs 62.10% 900 lbs added over 5 months. Chiller shutdown, completely overhauled. 2005 Reports 

## 2005/2006 Leak Rate ReportsDate System Type Refrigerant Type / Full Charge Leak Rate Notes 10/7/2006Comfort cooling unit of power plant

control room. R-12 / 330 lbs 194.00% Mechanical seals of compressors suspect. Repair expected by 12/15/2006. 1/18/2006 HVAC system at inductrial plant. Not Specified 42.40% Leaks at joint of discharge line from compressor. Anticipated repair by 3/17/2006. 2/6/2006 Supermarket in LA. R-22 / 369 lbs 172.00% Added 80 lbs. Piping suspected. 5/19/2006 Industrial process chiller. R-22 / Not Specified 67.00% Leaking from valve. Copper re-soldered. 1/13/2006Air dryer of pheumatic coneyor

system. Not Specified / 100 lbs90% Crack in condensor.Weld repaired. 90 lbs. added. 2/2/2006 547.50% Repairs didn't hold. New condensor ordered. 30 lbs added. 6/13/2006 Supermarket in TX. R-22 / 502 lbs 94.80% Evaporator coil leak. 150 lbs added. 5/23/2006 Supermarket in TX. R-22 / 570 lbs 67.60% Evaporator coil leak. 150 lbs added. 3/29/2006Commercial chiller used for comfort

cooling. R-22 / 2 60 lb circuits for a total of 120 lbs >35.00% (circuit one) Leak repair made. 28 lbs added. 4/14/2006Chiller (nothing else specified

except location = roof top) R-22 / Not Specified >35.00% Repair made. 30 lbs added. Other leaks found and repaired at follow up. 4/20/2006Only location given = chlorinated

methanes plant. R-22 / 205,040 lbs 61.00% 20,000 lb recharge. 6 leaks repaired from initial discovery to 5/12/06. 2006 Reports

Same as above.4/20/2006 Industrial process equipment. Not Specified / >50 lbs39.90% 60 lbs added. Proceeding to retire equipment.

1/23/2006 Supermarket in UT R-22 / 827 lbs 191.90% New coil ordered. 300 lbs added. 1/18/2006 Supermarket in CA R-408a / 538 lbs 70.80% New coil ordered. 96 lbs added. 6/2/2006 Heat exchanger piped to chiller. R-22 / 500 lbs 216.39% Repair attempted but failed. Nothing added. Parts ordered. 10/24/2006Air conditioning unit for control

room. R-22 / 90 lbs Not Specified All refrigerant lost and replaced after repair. 9/13/2006 Location = Paper manufacturing

plant. Not Specified / 80 lbs 91.00% 15 lbs added. Plans to replace equipment within 1 yr. 7/19/2006 Industrial prosess refrigeration

system. R-22 / 680 lbs 37.00% 250 lbs added. Compression shart ordered. Planned completion 10/28/2006.