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UL 1805

1st Edition, June 2, 2006

Complete Document

UL Standard for Safety Laboratory Hoods and Cabinets

Includes all amendments and changes through Revision Page(s) , June 2, 2006

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Product Details:

  • Revision: 1st Edition, June 2, 2006
  • Published Date: June 2, 2006
  • Status: Active, Most Current
  • Document Language: English
  • Published By: UL (UL)
  • Page Count: 28
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

These requirements apply to laboratory hoods and cabinets intended to provide an enclosed countertop work area with exhaust for containment and removal of vapors, mists, gases, and particulate matter from the work area.

These requirements do not cover ductless hoods (i.e., hoods that recirculate air back to room environment after filtering) or gloveboxes.

These products are investigated for fire, electrical and mechanical risk of injuries only. A limited number of tests are conducted for minimal air flow capability. It remains for the user to determine that the hood performance, as confirmed by the requirements in this standard, meets the needs of the user. These needs depend on several factors, including installation with proper exhaust equipment, location within the room, the type of material being handled and the method in which the material is being handled. Also, suitability for use with perchloric acid or radiological materials is not investigated.

Requirements for the installation of laboratory hoods are included in the Standard for Fire Protection for Laboratories Using Chemicals, NFPA 45 and in the Method of Testing Performance of Laboratory Fume Hoods, ASHRAE 110.

Requirements for the installation of piped gas systems are contained in the following standards:

a) National Fuel Gas Code, NFPA 54,

b) Liquefied Petroleum Gas Code, NFPA 58,

c) Gaseous Hydrogen Systems at Consumer Sites, NFPA 50A,

d) Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied Processes, NFPA 51.