1.0 OBJECTIVETo describe the procedure for Cleaning of Microbiology Lab.
2.0 SCOPEThis SOP is applicable for cleaning of Microbiology Lab.
3.0 RESPONSIBILITYMicrobiologist - Quality Control
4.0 ACCOUNTABILITYManager - Quality Control
5.0 PROCEDURE5.1 Material required
5.1.1 Disinfectant / Cleaning Solution
5.1.2 Lint free cloth, sponge or wiper
5.1.3 S.S. Pot.
5.1.5 Waste bin plastic liner.
5.2 Cleaning of floor can be done by using liquid detergent. Clean the floor with plenty of water, mop the area and allow drying.
Days Name Concentration
Monday Disinfectant 1 -------%
Tuesday Disinfectant 1 -------%
Wednesday Disinfectant 2 -------%
Thursday Disinfectant 2 -------%
Friday Disinfectant 3 -------%
Saturday Disinfectant 3 -------%
Sunday Disinfectant 3 -------%
*On the basis of disinfectant qualification study use the recommended disinfectant only.
5.4 Daily and routine cleaning
5.4.1 Procedure in gray zone (microbiological section).
18.104.22.168 Ensure that the works is not in progress
22.214.171.124 Start cleaning in the following sequence with lint free duster, damped with water or IPA
126.96.36.199.1 Outer surfaces of equipment
188.8.131.52.2 Cabinet & accessories
184.108.40.206.3 Glass pans, windows &doors.
220.127.116.11.4 Empty waste bin and replace the plastic liner.
5.4.2 Wet the floor with disinfectant and allow it to be in contact with the surface for 5 – 10 minutes and mop the floor towards the direction of nearest drain Pour the left over / excess disinfectant solution in the drain.
5.4.3 Cleaning of drains
18.104.22.168 Remove the SS cover of the drain
22.214.171.124 Clean the surroundings surface below the stainless steel cover with scrubber cloth or mop. Ensure the removal of all dirt, clean the trap.
126.96.36.199 Flush the drain with sufficient quantity of water and add about 10 ml of concentrated disinfectant solution.
188.8.131.52 Clean the SS cover of the drain and relocate at its place.
184.108.40.206 Frequency: Once a shift or as & when required.
5.5 Weekly Cleaning
5.5.1 In addition of daily cleaning activity, clean the ceiling, walls and pendants with vacuum cleaner or lint free cloth dampened with IPA 70% v/v.
5.5.2 Frequency : Once a week
5.6 Cleaning procedure in white zone (Microbiological sterility room)
5.5.1 After daily work activity, clean the area as follows.
220.127.116.11 Cleaning is carried out after completion of work activity.
18.104.22.168 Ensure, aseptic activities are not in progress
22.214.171.124 Enter in the area as per SOP for entry and exit in microbiological testing area.
126.96.36.199 Clean the equipment outer surfaces and pendants with a lint free wet cloth with IPA 70% v/v solution.
188.8.131.52 Clean the Laminar Air Flow surfaces with a lint free wet cloth (except filters). Ensure that the filter surface ll not be in contact with cleanings equipments and cleaning agents, during the cleaning activity.
184.108.40.206 Clean the glass pans of the windows and doors with a lint free duster
220.127.116.11 Spray the disinfectant solution on the walls starting from sterility room backwards to first change room. Allow the solution to remain in contact with the surface for 5 – 10 minutes
18.104.22.168 Mop the wall of the sterile area by moving the mop with top to bottom strokes
22.214.171.124 Put disinfectant solution on floor & mop so as to remove the dust and other foreign material. (Start from working area to first change room)
126.96.36.199 Empty out the waste bin.
188.8.131.52 Garment cubicle is cleaned once a day. Open the garment cubicle, remove all the garments kept hanging and put them for washing. Clean the inner surface then outer surface with lint free cloth damped with IPA 70% v/v.
184.108.40.206 Frequency once a day or as per required
5.5.2 Fogging of sterility testing area and air locks.
220.127.116.11 Use the disinfectant as per the schedule in concentration recommends.
18.104.22.168 Pour 3 liter of disinfectant solution in reservoir of fogging instrument 2.7 liter of disinfectant solution is recommended for 1000 cubic meter of area) or as per validate method.
22.214.171.124 Plug the pin in Mains.
126.96.36.199 Operate toggle switch for ON / OFF operation
188.8.131.52 Run the instrument in all the area till the disinfectant solution exhaust.
184.108.40.206 F requency: Once a day or as & when required.
5.7 Footwear Cleaning and Disinfections.
5.7.1 Collect the footwear.
5.7.2 Immerse them in hot water. Scrub and rinse with water to remove the dirt.
5.7.3 Take out the footwear and drain the water.
5.7.4 Immerse the footwear in the disinfectant solution for about 10-15 minutes used on the day.
5.7.5 Air dry the foot wears.
5.7.6 Keep the cleaned disinfected footwear in the respective shoe racks in the provided area.
5.7.7 Frequency in case of white zone once in daily after analysis and in gray zone once in three days.
5.8 Cleaning and Disinfection of Shoe Rack
5.6.1 Wipe clean the outer surface of shoe rack with dry mop.
5.6.2 Clean the shoe rack from inside with dry mop.
5.6.3 Wipe the rack with a cloth damped with the disinfectant solution used for that day.5.6.4 Frequency : Daily
6.0 ABBREVIATIONS6.1 SOP - Standard Operating Procedure
6.2 IPA - Isopropyl Alcohol
6.3 SS - Stainless Steal
Ankur Choudhary is India's first professional pharmaceutical blogger, author and founder of Pharmaceutical Guidelines, a widely-read pharmaceutical blog since 2008. Sign-up for the free email updates for your daily dose of pharmaceutical tips.
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