Table of Contents

1. Introduction 	                                              1
2. Scope	                                                      2
3. Significance and Use	                                              2
4. Reference Standards	                                              2
5. Environmental Conditions in the Testing Area	                      2
6. Calibration of Test Equipment	                              4
7. Limit of Detection	                                              5
8. Accuracy	                                                      5
9. Known Interferences	                                              5
10. Test Apparatus	                                              6
11. PHEAF Effectiveness Classes and Recommended Use Limitations	      6
12. Visual Inspection of PHEAF Equipment	                      9
13. Testing and Evaluation Methods	                              9
     A. In-Field Method for Aerosol Testing and Evaluation of 
     PHEAF Equipment	                                              9
     B. In-Field Method for Laser Particle Counter Testing and 
     Evaluation of PHEAF Equipment	                              11
     C. In-Field Method for Condensation Particle Counter Testing of     
     Ultrafine/Nanoparticle (ULPA) Filtration Equipment	              15
14. Calculation of Particle Removal Efficiency	                      15
15. Determining and Reporting PHEAF Effectiveness Class	              16
16. Comments	                                                      17
17. PHEAF Device Equipment Test Duration	                      17

Appendices

APPENDIX A - PHEAF Device Aerosol Testing Data Collection Form	      18
APPENDIX B - PHEAF Device LPC Testing Data Collection Form	      20
APPENDIX C - PHEAF Device CPC Testing Data Collection Form	      22

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