NFPA 258 : 2001
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy
07-23-2013
English
01-01-2001
Chapter 1 General
1.1 Scope
1.2 Significance
1.3 Summary of method
Chapter 2 Test apparatus
2.1 Test apparatus
2.2 Test chamber
2.3 Radiant heat furnace
2.4 Specimen holder
2.5 Framework for support of the furnace and
specimen holder
2.6 Photometric system
2.7 Radiometer
2.8 Thermocouples for determining chamber wall
temperature
2.9 Portable recorder or readout meter
2.10 Manometer for chamber pressure measurement
2.11 Multiple flamelet burner with premixed
air-propane fuel
Chapter 3 Test specimens
3.1 Specimen description
3.2 Number of test specimens
3.3 Specimen conditioning
3.4 Specimen mounting
Chapter 4 Test procedure
4.1 Test room
4.2 Equipment cleaning
4.3 Warm-up of furnace
4.4 Burner positioning
4.5 Procedures
Chapter 5 Calculations
5.1 Specific optical density
5.2 Maximum specific optical density
5.3 Light transmittance
Chapter 6 Report
6.1 Documentation
6.2 Test termination
Appendix A Explanatory material
Appendix B Apparatus construction and calibration
Appendix C Suggested report form - smoke density
chamber
Appendix D Commentary
Appendix E Referenced publications
Index
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