Water bath cleaning SOP




1.0  OBJECTIVE:
To lay down the procedure for cleaning of Water bath.
2.0  SCOPE:
This SOP shall be applicable to the water bath of installed, at Quality Control Instrument Lab.
3.0  RESPONSIBILITY:
3.1  Technical Assistant/ Helper.
3.2  Q.C Analyst.
4.0  ACCOUNTABILITY:
4.1  Manager-Quality Control.
5.0  MATERIAL AND EQUIPMENT:
5.1  Water bath.
5.2  Dry cotton cloth.
5.3  Purified water.
6.0  PROCEDURE:
6.1  Daily:
6.1.1        Switch “OFF” the instrument after use.
6.1.2        Switch “OFF” the mains and remove the plug from switch board.
6.1.3        Clean the outer surface of instrument with clean cloth.
6.1.4        Clean the control panel and motor smoothly with dry clean cotton cloth.
6.1.5        Record the cleaning in cleaning record in annexure-1.
6.1.6        Indicate in “Remarks” column of annexure-1 as “Daily cleaning-water refilled”.
6.2  Weekly:
6.2.1        Switch “OFF” the mains.
6.2.2        Remove the lid from the water bath.
6.2.3        Wash the lid properly with purified water.
6.2.4        Drain the water from water bath through drain valve.
6.2.5        Wash the water bath with purified water and mop with clean dry cotton cloth. Scrub the inner surfaces of bath with brush if needed.
6.2.6        Fill distilled water up to ¾th height of the bath.
6.2.7        Put the lid of bath.
6.2.8        After completion of cleaning of water bath, record in the annexure-1.
6.2.9        Indicate in “Remarks” column of annexure-1 as “Weekly cleaning-water refilled”.
6.2.10    Affix the “CLEANED” label and fill the “Cleaning Equipment Log Book”.
6.3  Precautions:
6.3.1        Water level should be regularly monitored, and filled with distilled water only. This is required to prevent salts from depositing on the inner surface.
6.3.2        Disinfectants can be added to prevent growth of microbes.
6.3.3        In between when water becomes dirty follow 6.2.1 to 6.2.7.
7.0  REVISION LOG:
Revision No.
Effective Date
Reason
00

New SOP

8.0  REFERENCES:
8.1  Not Applicable.
9.0  ANNEXURES:
Annexure 1: Cleaning record of water bath (Cleaning Equipment Log Book).








Annexure: 1
(Cleaning Equipment Log Book)
Cleaning record of water bath
CLEANING RECORD OF WATER BATH
Month: __________________
Date
Inner surfaces
Outer surfaces
Cleaned by
Checked by






































































































10.0    ABBREVIATIONS:
Abbreviation
Expanded Form
SOP
Standard operating procedure
&
And
No.
Number  
Ltd.
Limited
QCEC
Quality control Equipment cleaning
Q.C
Quality control


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