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5.1.1 Frequency of routine cleaning
The frequency of routine cleaning activities depends on several factors including:
l
The number of plates run on a system per day
l
The environment in which the system operates (temperature, humidity, overall laboratory
cleanliness)
The recommended cleaning frequency is at least once per week. See 10Cleaning table for
more details on recommended frequency of cleaning and cleaning methods.
5.1.2 Cleaners and disinfectants
BD recommends the use of a single agent that combines functions to facilitate fast and
effective cleaning and disinfection. Any exceptions to that recommendation are specified in
this protocol.
Regulatory requirements limit the use of many cleaner/disinfectants to specific countries.
Consequently, certain agents cannot be recommended for use in all countries.
BD recommends using Accelerated Hydrogen Peroxide
®
(AHP
®
) where available. A 0.5%
stabilized H
2
O
2
compound is available under different brand names. No rinsing step is
required when using this compound.
CAUTION
Use only the recommended cleaner/disinfectant.
Follow the manufacturer’s instructions for proper preparation (if necessary) and
use of the cleaner/disinfectant used in your laboratory.
Laboratories that choose to utilize a cleaning/disinfectant other than the
compound recommended by BD should validate efficacy as well as compatibility
with all module components.
BD is not liable for damages to components caused by unvalidated cleaners.
5.2 Cleaning methods
There are three approaches to cleaning, all of which are acceptable in specific situations:
1. Dry cleaning only
2. Wet cleaning/disinfection only
3. Combined dry and wet cleaning/disinfection. The proper sequence when dry cleaning prior
to wet cleaning/disinfection is:
a. Dry clean using a vacuum cleaner with a HEPA filter and/or a brush to remove dust
and any particulate matter.
b. Wet clean/disinfect to remove substances adhering to surfaces, as well as any
surface microorganisms.
See 10Cleaning table for more details on recommended frequency of cleaning and cleaning
methods.
BD Kiestra™ ReadA User's Manual
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