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Describes a single test method for grading building materials on the basis of ignition tendency, flame spread, heat development and tendency to produce smoke.

Provides a glossary of terms to be used in connection with fire testing; also refers to deprecated terms which should not be used in connection with fire testing.

Outlines a performance-based approach to the maintenance of ducts and components forming air-handling systems with respect to the control of microorganisms, within such systems.

Applicable to the design, construction, and installation of refrigerating systems, including piping, components, materials, and ancillary equipment directly associated with such systems.

Specifies the requirements for the safety of persons and property, provides guidance for the protection of the environment, and establishes procedures for the operation, maintenance, and repair of refrigerating systems and the recovery of refrigerants.

Sets out a hot smoke test methodology by means of which a specified quantity of smoke may be generated, at a safe temperature, within a building.

Outlines a performance-based approach to the maintenance of cooling water systems with respect to the control of microorganisms, including Legionellae, within such systems. This approach combines automatically regulated water treatment with monitoring, assessment and control strategies to help create a low risk environment within the cooling water system.

This Standard provides an unambiguous system for assigning designations to refrigerants. It also establishes a system for assigning a safety classification to refrigerants based on toxicity and flammability data, and provides a means of determining the refrigerant concentration limit.

Specifies requirements for the performance and construction of air filters for use in general ventilation and airconditioning systems. It classifies air filters on the basis of design, construction performance and application and establishes minimum criteria for acceptance of an air filter into a particular category. It does not apply to HEPA filters.

Specifies the classification of smoke-spill fans, and the laboratory test methods and procedures used to rate their performance (and that of their motors). Fans are rated in terms of their suitability to operate continuously without significant loss of performance, for a specified time at a specified air temperature. This Standard deals only with laboratory type-testing and does not consider the testing of smoke-spill fans after they have been installed in a building.