NFPA 270: Standard Test Method for Measurement of Smoke Obscuration Using a Conical Radiant Source in a Single Closed Chamber, 2008 Edition
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NFPA 270 Standard Test Method for Measurement of Smoke Obscuration Using a Conical Radiant Source in a Single Closed Chamber 2008 Edition
NFPA 270 Standard Test Method for Measurement of Smoke Obscuration Using a Conical Radiant Source in a Single Closed Chamber 2008 Edition
Chapter 1 Administration
Chapter 2 Referenced Publications
Chapter 3 Definitions
Chapter 4 Test Apparatus
Chapter 5 Test Environment
Chapter 6 Test Specimen
Chapter 7 Setup, Calibration, and Maintenance
Chapter 8 Conditioning
Chapter 9 Test Procedure
Chapter 10 Calculations
Chapter 11 Test Report
Annex A Explanatory Material
Annex B Precision and Bias
Annex C Interlaboratory Application
Annex D Determination of Mass Optical Density
Annex E Informational References
Index