3M TechUpdate PAGE 1 3M 2012. All rights reserved. It has been demonstrated by the 3M Research Labs in St Paul, Minnesota that a 3M organic vapour rated respirator cartridge is effective against H2O2 vapour at concentrations up to ~90 ppm. The current Safe Work Australia Exposure Standard for hydrogen peroxide is 1ppm, so an organic vapour “A” type filter (e.g. 6051, 6057, 6075, 6059) on a half facemask is suitable for use with H2O2 exposure concentrations up to 10 ppm. Using a full facemask with an A1 filter will give a 50 times protection factor ie for use up to 50 ppm of H2O2. If there is also an H2O2 mist or aerosols present, a 5925 particle filter and 501 retainer must be included with the gas filter. For higher level protection, the 6099 A2B2E2K2P3 filter on a full facemask will provide protection for H2O2 levels up to 75ppm 1. (Note – the IDLH value for H2O2 is 75 ppm and negative pressure filters should not be used at exposures above this) Peracetic Acid Peracetic acid (or peroxyacetic acid) is being used more and more as a broad spectrum biocide in medical and industrial applications. It is a powerful oxidizing agent that penetrates the cell walls of microorganisms and kills them. It is even effective against anthrax spores. Peracetic acid is produced by reacting acetic acid and hydrogen peroxide. This creates an equilibrium mixture of acetic acid, hydrogen peroxide and peracetic acid. The vapour above a peracetic acid solution contains all three of these compounds. So a cartridge for use against peracetic acid must be capable of removing all three compounds. Both acetic acid and peracetic acid are removed very effectively from air by any 3M organic vapour/acid gas or multigas filter – e.g. 6057, 6059 or 6099. 1 AS/NZS1715 “Selection, use and maintenance of respiratory protective devices”.Table 4.5 Hydrogen Peroxide & Peracetic Acid End users often ask about respiratory protection for Hydrogen Peroxide (H2O2). In the past 3M has always recommended Supplied Air Systems as the appropriate approach. Recent laboratory studies, however, have adjusted this thinking. Cautions: (1) These oxidants are all potent eye irritants so a full face respirator or suitable other eye protection should be worn. (2) The filters should not be allowed to come into direct contact with concentrated solutions of peracetic acid or hydrogen peroxide. (3) Filters should not be used to scrub peracetic acid or hydrogen peroxide from the exhaust of sterilizers or decontamination units. The very high vapour phase concentrations that can occur in these applications could potentially cause ignition of the carbon sorbent if enough peroxides can accumulate on the carbon bed. Personal Safety Division 3M Australia Pty Limited Building A, 1 Rivett Road North Ryde NSW 2113 Phone: 136 136 TechAssist Helpline: 1800 024 464 Email:[email protected] www.3m.com/au/PPESafety Hydrogen Peroxide Personal Safety Division 3M New Zealand Ltd 94 Apollo Drive, Rosedale Auckland 0632 Tech Helpline: 0800 364 357 www.3m.com/nz/PPESafety

Hydrogen Peroxide and Peracetic Acidmultimedia.3m.com/.../905158O/hydrogen-peroxide-and-peracetic-a… · Title: Microsoft Word - Hydrogen Peroxide and Peracetic Acid.doc Author:

Download PDF Report

Upload
nguyenbao
View
221
Download
0

Embed Size (px)

Citation preview

3M TechUpdate

PAGE 1

It has been demonstrated by the 3M Research Labs in St Paul, Minnesota that a 3M organic vapour rated respirator cartridge is effective against H2O2 vapour at concentrations up to ~90 ppm. The current Safe Work Australia Exposure Standard for hydrogen peroxide is 1ppm, so an organic vapour “A” type filter (e.g. 6051, 6057, 6075, 6059) on a half facemask is suitable for use with H2O2 exposure concentrations up to 10 ppm. Using a full facemask with an A1 filter will give a 50 times protection factor ie for use up to 50 ppm of H2O2. If there is also an H2O2 mist or aerosols present, a 5925 particle filter and 501 retainer must be included with the gas filter. For higher level protection, the 6099 A2B2E2K2P3 filter on a full facemask will provide protection for H2O2 levels up to 75ppm 1. (Note – the IDLH value for H2O2 is 75 ppm and negative pressure filters should not be used at exposures above this)

Peracetic Acid Peracetic acid (or peroxyacetic acid) is being used more and more as a broad spectrum biocide in medical and industrial applications. It is a powerful oxidizing agent that penetrates the cell walls of microorganisms and kills them. It is even effective against anthrax spores. Peracetic acid is produced by reacting acetic acid and hydrogen peroxide. This creates an equilibrium mixture of acetic acid, hydrogen peroxide and peracetic acid. The vapour above a peracetic acid solution contains all three of these compounds. So a cartridge for use against peracetic acid must be capable of removing all three compounds. Both acetic acid and peracetic acid are removed very effectively from air by any 3M organic vapour/acid gas or multigas filter – e.g. 6057, 6059 or 6099. 1 AS/NZS1715 “Selection, use and maintenance of respiratory protective devices”.Table 4.5

Hydrogen Peroxide & Peracetic Acid

End users often ask about respiratory protection for Hydrogen Peroxide (H2O2). In the past 3M has always recommended Supplied Air Systems as the appropriate approach. Recent laboratory studies, however, have adjusted this thinking.

Cautions: (1) These oxidants are all potent eye irritants so a full face respirator or suitable other eye protection should be worn. (2) The filters should not be allowed to come into direct contact with concentrated solutions of peracetic acid or hydrogen peroxide. (3) Filters should not be used to scrub peracetic acid or hydrogen peroxide from the exhaust of sterilizers or decontamination units. The very high vapour phase concentrations that can occur in these applications could potentially cause ignition of the carbon sorbent if enough peroxides can accumulate on the carbon bed.

Personal Safety Division 3M Australia Pty Limited Building A, 1 Rivett Road North Ryde NSW 2113 Phone: 136 136 TechAssist Helpline: 1800 024 464 Email:[email protected] www.3m.com/au/PPESafety

Hydrogen Peroxide

Personal Safety Division 3M New Zealand Ltd 94 Apollo Drive, Rosedale Auckland 0632 Tech Helpline: 0800 364 357 www.3m.com/nz/PPESafety