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#69060
Kevin Griffin
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Kevin Griffin

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Fiona

How are you monitoring Hydrogen Peroxide levels in the room after disinfection ?

In Europe

The SWL (Safe Working Limit) for Hydrogen peroxide is 1ppm for a (TWA) Time Weighted Average 8 hour exposure over a 24 hour period.

The STEL (Short Term Exposure Limit) is 2ppm for 15 minutes with a maximum of 4 exposures in a 24 hour period.

The Safe Work Australia standards (http://www.safeworkaustralia.gov.au/sites/SWA/AboutSafeWorkAustralia/WhatWeDo/Publications/Documents/237/AdoptedNationalExposureStandardsAtmosphericContaminants_NOHSC1003-1995_PDF.pdf)

Have set the TWA limit at 1ppm with no STEL established

As Hydrogen Peroxide is odourless and colourless it is extremely difficult to detect at lower concentration levels ( < 5ppm) which would be well above the SWL or even the European STEL. This is especially important in rooms with porous surfaces which will outgas for some time and particularly so as patients are in these rooms for 24 hours a day.

Regards

Kevin

Kevin Griffin
Bioquell Asia Pacific Pte Ltd

207 Henderson Road,#01-05

Singapore 159550

T: +65 6592 5145
F: +65 6227 5878
M: +65 8511 3733

E: Kevin.Griffin@bioquell.com

W: http://www.bioquell.asia

Hi Nicky,

We use a combination of disinfectants for isolation patients depending on why the patient is in isolation, what sort of clean (daily or terminal) and what sort of room it is they are in.

Where possible we use a hydrogen peroxide disinfectant for terminal cleans of infectious patient rooms, if not (e.g. an open room) it is either bleach or triclosan. I have had reports from our Cleaning Manager the staff are really on board with hydrogen peroxide disinfection as their chemical exposure has been reduced.

Kind Regards,

Fiona De Sousa

Infection Prevention & Control Coordinator

Sydney Adventist Hospital

Fiona.Desousa@sah.org.au

185 Fox Valley Road, Wahroonga, NSW, 2076

_____

Hi All,

We currently follow the Australian Guidelines for the Prevention and Control of Infection in Healthcare Guidelines regarding cleaning schedules, using a detergent for most surfaces and a TGA – registered disinfectant with label claims specifying its effectiveness against specific infectious organisms for isolation rooms.

My question is the hospital is wishing to switch to a bleach product for the purposes of isolation rooms can anyone offer any evidence for or against a bleach product to assist me in my discussions, one of my concerns is the aspect of OH&S when using bleach regularly.

Thank you for your responses in advance.

Kind Regards

Nicky Swindells CNC

Infection Control Coordinator/Wound Management

Mater Hospitals Central Queensland

Rockhampton Yeppoon Gladstone

nswindells@mercycq.com

07 49313420

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