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	Smoke density measurements are made based on the attenuation of a light beam through smoke accumulating within the chamber.
	Toxicity of fire effluents is determined by introducing gas samples in a Fourier transform infrared spectrometer.

Smoke density and toxicity tests are performed by Southwest Research Institute (SwRI) in accordance with a variety of standard procedures. Standard tests are supplemented with customized procedures to meet client-specific needs.

Experimental support is provided to the Listing, Labeling, and Follow-Up Inspection Services Section in the form of testing services for quality assurance of products and materials. Qualification and verification testing is provided in support of third party quality assurance programs.

Smoke Density and Toxicity Test Capabilities

• Smoke density (specific optical density, DS) and mass loss measurements

• Toxic gas production over time

• Gas yield determinations (mass of gas produced per mass of sample consumed)

• LC50 and LA50 determination

• Collection of gas samples for analysis by other analytical chemistry techniques

Related Services

• Fourier transform infrared (FTIR) quantitative and qualitative gas analysis

• Colorimetric (Dräger) tube toxicity analysis

• Listing, labeling and follow-up inspections services

• New York City Department of Buildings MEA-2 filing

Standard Smoke Density and Toxicity Test Services

• ABD 0031 (smoke and toxicity)

• AITM 2.0007 (smoke density)

• AITM 3.0005 (toxicity)

• ASTM E 662 (smoke density)

• ASTM E 800 (toxicity)

• ASTM E 1995 (smoke density)

• BSS 7238 (smoke density)

• BSS 7239 (toxicity)

• EPA TO-15 (toxicity)

• ISO 5659-2 (smoke density)

• IMO FTP Code Annex 1 Part 2 (smoke and toxicity)

• NES 711 (smoke density)

• NES 713 (toxicity)

• NFPA 258 (smoke density)

• SMP 800-C (toxicity)

• UPITT (toxicity)

For more information about fire technology services and smoke density and toxicity tests capabilities at SwRI or how you can contract with SwRI, please call (210)

522-2311 or e-mail fire-info@swri.org.

| Fire Technology Department | Chemistry & Chemical Engineering Division | SwRI Home |

Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 11 technical divisions.

May 07, 2009