1. 1 Air Conditioning EPA Core

2. 2 Effects of Ozone Depletion Skin Cancer Cataracts Crop loss Immune system deficiencies. Skin Cancer Cataracts Crop loss Immune system deficiencies.

3. 3 Stratospheric Ozone Depletion Located 10 – 30 miles above the earth Ozone consists of 3 oxygen atoms Ozone depletion ---- Global Problem Ozone Layer located in stratosphere. Located 10 – 30 miles above the earth Ozone consists of 3 oxygen atoms Ozone depletion ---- Global Problem Ozone Layer located in stratosphere.

4. 4 Chlorine Depletes the Ozone Forms chlorine monoxide when chlorine atom meets ozone molecule 1 Chlorine atom can destroy 100,000 ozone molecules Atmospheric life can be 100 years. Depletes the Ozone Forms chlorine monoxide when chlorine atom meets ozone molecule 1 Chlorine atom can destroy 100,000 ozone molecules Atmospheric life can be 100 years.

5. 5 Refrigerants CFC--- Chlorine, Fluorine, Carbon (R-11, R12) HCFC--- Hydrogen, Chlorine, Fluorine, Carbon (R22) HFC--- Hydrogen, Fluorine, Carbon (R134a). CFC--- Chlorine, Fluorine, Carbon (R-11, R12) HCFC--- Hydrogen, Chlorine, Fluorine, Carbon (R22) HFC--- Hydrogen, Fluorine, Carbon (R134a).

6. 6 Refrigerant uses –Heating –Cooling –Foam blowing agents –Cleaning solvents. Refrigerant uses –Heating –Cooling –Foam blowing agents –Cleaning solvents.

7. 7 CFC Production Ceased on DEC. 31, 1995

8. 8 July 01, 1992 No Venting of CFC’s & HCFC’s

9. 9 The Three R’s Recovery –To Remove refrigerant in any condition and store it in an external container without testing or processing it Recycle –To Clean refrigerant by oil separation with a single or multiple passes through replaceable core filter dryers. Recovery –To Remove refrigerant in any condition and store it in an external container without testing or processing it Recycle –To Clean refrigerant by oil separation with a single or multiple passes through replaceable core filter dryers.

10. 10 Reclaim –To reprocess refrigerant to new product specs by means which may include distillation and chemical analysis. Reclaim –To reprocess refrigerant to new product specs by means which may include distillation and chemical analysis.

11. 11 Recovery Cylinders Grey bodies with yellow tops Hydrostatically tested and stamped every 5 years Filled to 80% capacity Evacuate the cylinder prior to its first use. Grey bodies with yellow tops Hydrostatically tested and stamped every 5 years Filled to 80% capacity Evacuate the cylinder prior to its first use.

12. 12 Montreal Protocol A document calling for controls on CFC and HFC refrigerants

13. 13 ODP Ozone depletion potential R134a 0 ODP Global Warming Potential. Ozone depletion potential R134a 0 ODP Global Warming Potential.

14. 14 Venting Releasing refrigerant 3 Types of permitted releases –De Minimus –Normal operation –R22+Nitrogen / Leak testing. Releasing refrigerant 3 Types of permitted releases –De Minimus –Normal operation –R22+Nitrogen / Leak testing.

15. 15 Recovery Equipment Tested under ARI 740 $27,500 per fine per day $10,000 Reward. Tested under ARI 740 $27,500 per fine per day $10,000 Reward.

16. 16 Blended Refrigerants Blend fractionation When the blend refrigerant leaks in uneven amounts due to different vapor pressures –Azeo tropic blends---500 refrigerants –Zeotropic refrigeratns---400 refrigerants. Blend fractionation When the blend refrigerant leaks in uneven amounts due to different vapor pressures –Azeo tropic blends---500 refrigerants –Zeotropic refrigeratns---400 refrigerants.

17. 17 Leak Testing EPA—125psig General area ---- electric or ultrasonic Pinpoint---- Bubbles. EPA—125psig General area ---- electric or ultrasonic Pinpoint---- Bubbles.

18. 18 No Drop in Replacement for R12

19. 19 Safety Classifications A1 Most Safe ----almost all refrigerants A3 Least Safe B1 Toxic------R123 B3 Most Toxic. A1 Most Safe ----almost all refrigerants A3 Least Safe B1 Toxic------R123 B3 Most Toxic.