Disinfectant Efficacy Validation

QUALITY CONTROL
Page 1 of 12
DISINFECTANT QUALIFICATION
Protocol Name
Disinfectant Efficacy Validation
Protocol Number
Effective Date
VALIDATION PROTOCOL
FOR
DISINFECTANT EFFICACY VALIDATION
QUALITY CONTROL
Page 2 of 12
DISINFECTANT QUALIFICATION
Protocol Name
Disinfectant Efficacy Validation
Protocol Number
Effective Date
TABLE OF CONTENTS
1.0APPROVAL SIGNATURE:.....................................................................................................................3
2.0OVERVIEW:.............................................................................................................................................5
2.1 Objective:.........................................................................................................................................5
2.2 Purpose & Scope:............................................................................................................................5
2.3 Responsibility:.................................................................................................................................5
3.0EXECUTION TEAM:..............................................................................................................................5
4.0TRAINING RECORD:.............................................................................................................................6
5.0REQUIREMENTS FOR QUALIFICATION:.......................................................................................6
6.0SYSTEM/ EQUIPMENT DESCRIPTION:............................................................................................7
6.1Preparation of Bacillus subtilis spore culture.........................................................................................7
6.2Preparation of Challenge Inoculum........................................................................................................7
6.3Validation by Filtration Method..............................................................................................................7
6.4Validation by Surface Method. ...............................................................................................................7
7.0QUALIFICATION PROCEDURE OR METHODOLOGY:...............................................................7
7.1 General Recording Instructions:...................................................................................................7
7.2 General Safety Instruction for Execution:....................................................................................8
7.3 Preparation of Bacillus subtilis spore culture:.............................................................................8
7.3.1 Take a preincubated sterile SCDA slant and a working culture of Bacillus subtilis.............8
7.3.2 Pick up a loopful of Bacillus subtilis culture and streak on surface of sterile SCDA slant...8
7.3.3 Incubate the slant at 30 – 35 ° C for 7 days...............................................................................8
7.3.4 Perform Spore staining for this incubated culture and observe for its purity and spore
formation.......................................................................................................................................8
7.3.5 If the culture show spores (discard if contaminated), preserve this culture at 2-8 ° C and
use this spore for the preparation of Inoculum of Bacillus subtilis.........................................8
7.3.6 Record the Result as per Annexure-02.......................................................................................8
7.4 Preparation of Challenge Inoculum:.............................................................................................8
7.4.1 Purpose: .......................................................................................................................................8
The purpose of the test is to prepare the challenge Inoculum of selected culture used for
Disinfectant Efficacy Validation.................................................................................................8
7.4.2 Requirement: ..............................................................................................................................8
7.4.3 Test Procedure:............................................................................................................................8
Format No. QA004-F01-01
QUALITY CONTROL
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DISINFECTANT QUALIFICATION
Protocol Name
Disinfectant Efficacy Validation
Protocol Number
Effective Date
7.5 Disinfectant Validation by Use Dilution Method: .......................................................................9
7.6 Disinfectant Validation by Surface Method................................................................................10
8.0ACCEPTANCE CRITERIA:.................................................................................................................11
8.1 The reduction of Challenge Inoculum count should be more than 3 log for bacterial
cultures........................................................................................................................................11
9.0OBSERVED DEVIATION (IF ANY):..................................................................................................12
10.0QUALIFICATION REPORT:.............................................................................................................12
This report shall also include the related documents and attachments / exhibit which were completed
at the time of qualification activity.............................................................................................................12
11.0ABBREVIATIONS:..............................................................................................................................12
12.0LIST OF ANNEXURES:......................................................................................................................12
13.0REFERENCE DOCUMENT:..............................................................................................................12
Nil 12
1.0
APPROVAL SIGNATURE:
This is specific protocol for Disinfectant Efficacy validation which is being used in the plant for
Cleaning and Fumigation purpose. The Author signature indicates that this document has been
prepared in accordance with existing standards and adequately reflects the tasks and deliverables
necessary for disinfectant efficacy test.
Prepared by / Functional area
Microbiology Section
Format No. QA004-F01-01
Designation
Signature
Date
QUALITY CONTROL
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DISINFECTANT QUALIFICATION
Protocol Name
Disinfectant Efficacy Validation
Protocol Number
Effective Date
The reviewer’s signature indicates that, this document has been reviewed and it accurately and
completely reflects the tasks and deliverables necessary for process.
Checked by / Functional area
Designation
Signature
Date
Quality Control-Microbiology
Quality Control
Validation – QA
The approver’s signature indicates that the documentation and information contained herein complies
with applicable regulatory, corporate, divisional / departmental requirements, and current Good
Manufacturing Practices.
Approved by / Functional area
Quality Assurance
Format No. QA004-F01-01
Designation
Signature
Date
QUALITY CONTROL
Page 5 of 12
DISINFECTANT QUALIFICATION
Protocol Name
Disinfectant Efficacy Validation
Protocol Number
2.0
Effective Date
OVERVIEW:
2.1
Objective:
To establish methodology for Disinfectant efficacy Validation used in ABC Pharma Pvt. Ltd.,
Bhiwadi.
2.2
Purpose & Scope:
The purpose is to provide an outline for the efficacy of the Disinfectants used in the plant for
the disinfection of surfaces, air and disinfection of hands etc.
2.3
Responsibility:
To conduct the qualification study, a team shall be formed. The team shall contain the members
from the, Quality Control and Quality Assurance departments. The Validation team is described
through the following responsibility.
3.0
Executive – QC
(Microbiology)
Shall prepare the Qualification Protocol as per the guideline of
Validation Master Plan and SOP QA004 for preparation of
validation protocol and its control.
Section
In
chargeMicrobiology, Manager –
QC, and Executive QA
Shall review the Qualification protocol
completeness and technical excellence
QA Head
Qualification Protocol shall be approved by the QA Head prior to
execution
Executive – QC
(Microbiology)
Shall conduct and record the qualification test as per the protocol
Section
In
chargeMicrobiology, Manager –
QC, and Executive QA
Shall review the executed protocol to check the compliance and
corrective action for any discrepancies found. Also shall prepare
the summary and conclusion of the qualification study.
QA Head
Shall review the qualification study and its summary report.
Approval of the summary report and conclusion shall be done
before initiation of installation qualification study
for
correctness,
EXECUTION TEAM:
Following personnel shall be responsible for the execution of qualification study;
Executive – QC (Microbiology)
: To conduct the qualification study as per protocol.
Format No. QA004-F01-01
QUALITY CONTROL
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DISINFECTANT QUALIFICATION
Protocol Name
Disinfectant Efficacy Validation
Protocol Number
Effective Date
Executive - Formulations
Executive Quality Assurance
4.0
: To provide material for testing.
: To review & monitor the qualification study.
TRAINING RECORD:
4.1
Purpose:
The purpose of the training is to familiarize the trainees with the requirement of Disinfectant
Efficacy Validation.
4.2
Scope:
This Training is applicable to the all concerned persons which are involved in this activity.
4.3
Topics:
The following topics shall be covered during training:
4.3.1 Purpose & procedure of Disinfectant Efficacy Validation.
4.3.2 Identifying the responsibility of involved person.
4.3.3 Documentation practices to be followed.
4.3.4 General precautions / guidelines to be followed during qualification.
4.3.5 Attach training record with the report as Annexure – 01.
5.0
REQUIREMENTS FOR QUALIFICATION:
5.1
Following items shall be qualified before execution of Disinfectant Efficacy validation:
5.1.1 Microbial Culture
5.1.1.1
Staphylococcus aureus
5.1.1.2
Bacillus subtilis
5.1.1.3
Pseudomonas aeruginosa
5.1.1.4
Clostridium sporogenes
5.1.1.5
Candida albicans
5.1.1.6
Aspergillus niger
5.1.1.7
E. coli
5.1.1.8
S. abony
5.1.1.9
Environment isolate
5.1.2 Media
5.1.2.1
Sterile Molten Soybean Casein Digest Agar
5.1.2.2
Sterile Molten Sabouraud Chloramphenicol Agar
5.1.2.3
Reinforced Clostridial Agar
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QUALITY CONTROL
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DISINFECTANT QUALIFICATION
Protocol Name
Disinfectant Efficacy Validation
Protocol Number
Effective Date
5.1.2.4
Sterile Peptone water
5.1.2.5
Sterile Letheen broth
5.1.2.6
Preincubated sterile SCDA, SCA plates
5.1.3
Sterile forceps and scissors
5.1.4
Sterilized filtration unit and Membrane filters
5.1.5
Manifold
5.1.6
Vortex mixer
5.1.7
Forceps
5.1.8
Micropipette
5.1.9
Biosafety Cabinet
5.1.10 Disinfectants to be validated
6.0
SYSTEM/ EQUIPMENT DESCRIPTION:
The validation will be performed under the following subheadings:
6.1
6.2
6.3
6.4
7.0
Preparation of Bacillus subtilis spore culture.
Preparation of Challenge Inoculum.
Validation by Filtration Method.
Validation by Surface Method.
QUALIFICATION PROCEDURE OR METHODOLOGY:
7.1
General Recording Instructions:
7.1.1 Read the contents of the document thoroughly before proceeding for Execution of the
activity (in case of doubts / contradictions / contact the approvers of the document for
clarifications).
7.1.2 Recording of all the observations and data shall be as per good documentation practices
SOP QA009.
7.1.3 Recording will be done on controlled copy of Disinfectant efficacy validation annexure.
7.1.4 In each of the tests/process outlined in the protocol the test parameter, specifications,
acceptance criteria and any other requirement are pre-defined. Other columns viz.
observations, verified by and other columns are to be filled in by the member of
execution team manually.
7.1.5 Follow the specific instructions as mentioned in the particular test for verifying the
parameters & recording the observations.
7.1.6 Recording the requested information in a particular test indicates that it has been
inspected / verified according to specifications by visual examination, product literature,
using a measuring device etc.
7.1.7 All the deviations / discrepancies observed during the activity are to be explained &
justified if acceptable.
Format No. QA004-F01-01
QUALITY CONTROL
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DISINFECTANT QUALIFICATION
Protocol Name
Disinfectant Efficacy Validation
Protocol Number
7.1.8
Effective Date
Record all deviations / discrepancies observed during the execution in the Observed
deviations format of protocol.
7.2
General Safety Instruction for Execution:
Safety will be one of the key considerations during the execution of this document. The
following guidelines must be observed during the execution stage.
7.2.1 All personnel involved with the execution shall identify hazards associated with
performance of testing and precautions to be taken.
7.2.2 All personnel involved with the execution shall check that utilities are safely isolated
when energizing or de-energizing.
7.2.3 All personnel involved in the execution shall inform the company management any
hazard, to themselves or others, associated with the materials, equipment, method of
working and the precautions to be taken.
7.3
Preparation of Bacillus subtilis spore culture:
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.6
7.4
Take a preincubated sterile SCDA slant and a working culture of Bacillus subtilis.
Pick up a loopful of Bacillus subtilis culture and streak on surface of sterile SCDA slant.
Incubate the slant at 30 – 35 ° C for 7 days.
Perform Spore staining for this incubated culture and observe for its purity and spore
formation.
If the culture show spores (discard if contaminated), preserve this culture at 2-8 ° C and
use this spore for the preparation of Inoculum of Bacillus subtilis.
Record the Result as per Annexure-02.
Preparation of Challenge Inoculum:
7.4.1
Purpose:
The purpose of the test is to prepare the challenge Inoculum of selected culture used for
Disinfectant Efficacy Validation.
7.4.2
Requirement:
Sterile Peptone water, Sterilized tips, Micropipette, culture & Biosafety cabinet etc.
7.4.3
Test Procedure:
7.4.3.1
7.4.3.2
7.4.3.3
7.4.3.4
Format No. QA004-F01-01
Take required types of working cultures (Spore culture in the case of
Bacillus subtilis).
Inoculate a small loop of each working culture (Spore culture in the case of
Bacillus subtilis) and inoculate in to different bottles containing 50 ml sterile
saline and dilute the suspension serially using 10 fold dilution method from
10-1 to 10-10.
Pipette out 1.0 ml of 10-4 diluted culture onto each of two sterile petri dishes
Repeat this step for 10-5, 10-6, 10-7, 10-8, 10-9& 10-10. Repeat the above 4 steps
for all other cultures (as per point no. 5.1.1) also.
QUALITY CONTROL
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DISINFECTANT QUALIFICATION
Protocol Name
Disinfectant Efficacy Validation
Protocol Number
7.4.3.5
7.4.3.6
7.4.3.7
7.4.3.8
7.4.3.9
7.4.3.10
7.5
Effective Date
Add 20-25 ml of Agar Medium (SCDA for Aerobic bacteria, RCA for
Anaerobic bacteria and SCA for Fungi) that is melted and cooled to
approximately 45° C.
Cover the petri dishes and mix the sample with agar by tilting or rotating the
petri dishes.
Allow to solidify at room temperature. Invert the petri plates and incubate.
(Aerobic bacteria at 30° to 35° for 48 hrs. Anaerobic bacteria at 30° to 35°
for 48 hrs in an anaerobic jar, Candida albicans at 20° to 25° for 72 hrs. and
Aspergillus niger at 20° to 25° for 5 days.)
Preserve all the dilutions at 2-8 ° C. Examine the plates, count the number of
colonies and express the average of 2 plates in terms cfu/plate. Select the
dilutions containing 100000 to 1000000 CFU’s / ml, preserve at 2-8 ° C and
discard all other dilutions
Use the preserved dilute culture suspensions within 7 days.
Record the data as per Annexure-03.
Disinfectant Validation by Use Dilution Method:
7.5.1
Purpose:
This test is performed so as to ensure the suitable concentration & contact time for the
disinfectant to achieve ≥ 3 Log reduction by filtration technique.
7.5.2
Requirements:
Filtration Funnels, flasks, vacuum pump, sterile membrane filters, sterile peptone water,
medium etc.
7.5.3
Test procedure:
7.5.3.1
7.5.3.2
7.5.3.3
7.5.3.4
7.5.3.5
7.5.3.6
7.5.3.7
7.5.3.8
7.5.3.9
Format No. QA004-F01-01
Dilute disinfectant solution as per the recommendation of manufacturer and
also prepare 1/2 and 1/4 concentrations from the manufacturers
recommendation.
Use sterile purified water or sterile water for injection as diluent.
Arrange 3 sets (3 bottles in each set) of sterile empty 25 ml tubes (for one
culture).
Add 10 ml of manufacturer’s recommended concentration of the disinfectant
solution in 1st tube of each set.
Add 10 ml of 50% strength of disinfectant solution as per manufacturer
recommended concentration of the disinfectant in 2nd tube of each set.
Add 10 ml of 25% strength of disinfectant solution as per manufacturer
recommended concentration of the disinfectant in 3rd tube of each set.
Arrange one sterile bottle containing 10 ml of sterile peptone water (for
initial count of the challenge Inoculum).
Add 1 ml of prepared challenge inoculum of E.coli to this 100 ml of diluent.
Dilute this solution using 10 fold dilution methods from 10-1 to 10-4.
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DISINFECTANT QUALIFICATION
Protocol Name
Disinfectant Efficacy Validation
Protocol Number
7.5.3.10
7.5.3.11
7.5.3.12
7.5.3.13
7.5.3.14
7.5.3.15
7.5.3.16
7.5.3.17
7.5.3.18
7.5.3.19
7.5.3.20
7.5.3.21
7.5.3.22
7.5.3.23
7.5.3.24
7.6
Effective Date
Arrange the sterile filter holders having 0.45 µm membrane filters on the
manifold and assemble the manifold to vacuum source.
Add 1 ml of the Challenge Inoculum of E.coli to all the tubes of 3 sets.
Mix and immediately filter the solutions of 1st set using individual filter
holder for each tube. This is ‘0 min’ contact sample.
Filter the solution meant for initial count using another filter holder. Rinse
each membrane filter with 3X100 ml of sterile 0.1% peptone water.
After rinsing, place each membrane filter on the surfaces of individual agar
medium plates.
After 5 minutes, mix and filter the solutions of 2nd set using individual filter
holder for each tube. This is ‘5 min’ contact sample. Rinse each membrane
filter with 3X100 ml sterile 0.1% peptone water.
After rinsing, place each membrane filter on the surfaces of individual agar
medium plates.
After another 5 minutes, mix and filter the solutions of 3 rd set using
individual filter holder for each tube. This is ‘10 min’ contact sample.
Rinse each membrane filter with 3X100 ml sterile 0.1% peptone water.
After rinsing, place each membrane filter on the surfaces of individual agar
medium plates.
Repeat the whole procedure for each organism as per point 5.1.1.
Use same agar medium and incubation conditions as mentioned in point no.
7.4 - ‘Preparation of Challenge Inoculum’.
Examine the plates, count the number of colonies on each plate.
Compare the ‘0 min’ ‘5 min’ ’10 min’ contact culture plates with ‘Initial
count’ plates.
Record the results as per Annexure-04.
Disinfectant Validation by Surface Method
7.5.4 Purpose
To get a practical approach for the efficacy apply the disinfectants on to any of the
surface which is present in that particular area which will be decontaminated by
spraying the disinfectant.
7.5.5
Requirement:
SS strip, Epoxy Coated strip, sterile swab.
7.5.6
Procedure:
7.5.3.1
7.5.3.2
7.5.3.3
7.5.3.4
Format No. QA004-F01-01
Take 3 sets (3 strips in each set) each of S.S and Epoxy coated strips having a
surface area of 25 cm2.
Take one more strip each of SS and Epoxy coated.
Wrap all the strips with aluminum foil and Depyrogenate it in hot air oven at
250 0 C for 1 hrs.
Prepare different concentrations of the disinfectant solution as mentioned in
the ‘Use dilution method’.
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DISINFECTANT QUALIFICATION
Protocol Name
Disinfectant Efficacy Validation
Protocol Number
7.5.3.5
7.5.3.6
7.5.3.7
7.5.3.8
7.5.3.9
7.5.3.10
7.5.3.11
7.5.3.12
7.5.3.13
7.5.3.14
7.5.3.15
7.5.3.16
7.5.3.17
7.5.3.18
7.5.3.19
7.5.3.20
7.5.3.21
8.0
Effective Date
Arrange the strips in the LAF.
Add 1 ml of Challenge Inoculum to each Epoxy coated and SS strips.
Allow the culture to dry on the surface of strips for 30 minutes or until they
dry.
Spray the manufacturer recommended concentration of disinfectant on
surfaces of 1st strip of each set, 50% of manufacturer recommended
concentration of disinfectant on surfaces of 2nd strip of each set and 25%
dilution of manufacturer recommended concentration of disinfectant on
surfaces of 3rd strip of each set.
Do not spray the disinfectant on 10th strip, which will be used to determine
the ‘Initial count’.
With the help of different, individual sterile swabs, swab the disinfectant
exposed culture surfaces of strips of 1st set. Add each swab to individual test
tube containing 10 ml of sterile Letheen broth.
Mix, filter and follow further process as mentioned for ‘0 min’ contact
sample of ‘Use dilution Method’.
Swab the culture surfaces (Not exposed to disinfectant) of SS and Epoxy
strip surfaces and add each swab to individual test tube containing 10 ml of
sterile Letheen broth. Dilute this solution up to 10-4
Mix, filter and follow further process as mentioned for ‘Initial count sample’
of ‘Use dilution Method’.
After 5 minutes, swab the disinfectant exposed culture surfaces of all the
strips of 2nd set with the help of different, individual sterile swabs and add
each swab to individual test tube containing 10 ml of sterile Letheen broth.
Follow the filtration, plating and incubation procedure as mentioned in ‘5
min’ contact sample of ‘Use dilution Method'.
After further 5 minutes, swab the disinfectant exposed culture surfaces of the
strips of 3rd set with the help of different, individual sterile swabs and add
each swab to individual test tube containing 10 ml of sterile Letheen broth.
Follow the filtration, plating and incubation procedure as mentioned in ‘10
min’ contact sample of ‘Use dilution Method'.
Repeat the whole procedure for each Challenge inoculum as mentioned in
point 5.1.1.
Examine the plates; count the number of colonies on each plate.
Compare the ‘0 min’ ‘5 min’ ’10 min’ contact culture plates with ‘Initial
count’ plates.
Record the results as per Annexure-05.
ACCEPTANCE CRITERIA:
8.1
The reduction of Challenge Inoculum count should be more than 3 log for bacterial cultures.
Format No. QA004-F01-01
QUALITY CONTROL
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DISINFECTANT QUALIFICATION
Protocol Name
Disinfectant Efficacy Validation
Protocol Number
9.0
Effective Date
OBSERVED DEVIATION (IF ANY):
Allot a sequential number starting from 01 for each deviation / discrepancy observed during the
execution of the activity. Record the details of the test / parameter during which the deviation /
discrepancy was observed, along with a brief description of the deviation / discrepancy.
The deviation / discrepancy shall be addressed as per the SOP QA006 – “Deviation Process”.
10.0 QUALIFICATION REPORT:
The qualification report shall consist of a summary document, in narrative form, which shall briefly
describe the activity performed along with the observations recorded in relevant exhibits.
This report shall also include the related documents and attachments / exhibit which were completed
at the time of qualification activity.
11.0 ABBREVIATIONS:
11.1
11.2
11.3
11.4
11.5
SCDA
RCA
LAF
SCA
CFU
:
:
:
:
:
Soyabean Casein Digest Agar
Reinforced Clostridial Agar
Laminar Air Flow
Sabouraud Chloramphenicol Agar
Colony Forming Unit
12.0 LIST OF ANNEXURES:
Annexure No.
01
Annexure Title
Training Record
02
Report for Bacillus subtilis Culture
03
Report for Preparation of Challenge inoculum
04
Report for Disinfectant Efficacy test by Use Dilution method.
05
Report for Disinfectant Efficacy test by surface method.
13.0 REFERENCE DOCUMENT:
Nil
END OF DOCUMENT
Format No. QA004-F01-01