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Hi Richard,
I am interested as to why you need to use a concentration of greater than 1000 ppm for terminal cleaning/disinfection.
At Austin Health we have been using a cleaning disinfection solution with 1000 ppm sodium hypochlorite for over ten years as a standardised cleaning agent for all environmental cleaning in all clinical areas. We have not encountered substantial OH&S issues as long as staff use appropriate PPE and are trained in safe chemical handling. We couple this standardised cleaning system with monthly VRE environmental surveillance. Our surveillance usually does not yield VRE detections , but when we identify VRE on an item such as a commode chair we inform the clinical area to re-clean all the commode chair. We have found the standard application of 1000 ppm is effective.
Kind regards,
John Greenough
Manager – Infection Control Department
03 9496 6625
Level 7, Harold Stokes Building
145 Studley Road, Heidelberg
PO Box 5555, Victoria, 3084
—–Original Message—–
From: ACIPC Infexion Connexion On Behalf Of Michael Wishart
Sent: Wednesday, 31 July 2019 4:15 PM
To: ACIPCLIST@ACIPC.ORG.AU
Subject: Re: [ACIPC_Infexion_Connexion] Higher concentration dilution of sodium hypochlorite
Hi Richard
Well, where should I start? This, admittedly, if from quite a few years ago, but anything above 1000ppm available chlorine was problematic for my staff at the time. We initially tried 10000ppm available chlorine, and saw severe cases of skin problems, and some respiratory sensitisation. And the surfaces showed a very rapid decline… even stainless steel benches showed rapid wear! So we moved down to 5000pmm and saw less respiratory sensitisation, still had multiple cases of skin problems, and still had surface wear. This was over a period of several years, mind you. So, after that, I abandoned sodium hypochlorite unless I had absolutely no alternative, and then only at level 1000ppm or less.
There are other disinfectants now available, although bleach remains easy to obtain and cheap, making it desirable from a cost perspective. But I would strongly argue that wide use of bleach is a definite hazard to staff that is very hard to control.
My opinion, at any rate.
Cheers
Michael
Michael Wishart | Infection Control Coordinator, CICP-E
St Vincents Private Hospital Northside | 627 Rode Road CHERMSIDE QLD 4032 T +61 7 3326 3068 | F +61 7 3607 2226 E michael.wishart@svha.org.au | W https://clicktime.symantec.com/39g5xiNNWMD9XxxzMLsFgPw7Vc?u=https%3A%2F%2Fwww.svphn.org.au
—–Original Message—–
From: ACIPC Infexion Connexion On Behalf Of Bartolo, Richard
Sent: Wednesday, 31 July 2019 3:58 PM
To: ACIPCLIST@ACIPC.ORG.AU
Subject: [ACIPC_Infexion_Connexion] Higher concentration dilution of sodium hypochlorite
Hi Everyone,
We are looking at higher concentration dilution of sodium hypochlorite (10% bleach solution) (1:10 solution = 1 part bleach for every 9 parts water) for terminal cleaning. This concentration is 5 times the currently used dose 5000 ppm vs 1000ppm. The higher concentrations of chlorine are deemed respiratory sensitizers which have the potential to trigger reactions in some staff. Has anyone had issues?
Kind Regards,
Richard
Richard Bartolo
Manager Infection Prevention
Western Health
Gordon Street, Footscray VIC 3011
Ph. 03 8345 6113
Mob. 0438 560 441
Email. richard.bartolo@wh.org.au
Web. https://clicktime.symantec.com/3T9CBetsUTQQ1UEyZRZusdP7Vc?u=www.westernhealth.org.au
This was sent from my iPhone.
Kind Regards,
Richard Bartolo
Manager Infection Prevention
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