(b)
 If the sample stays in one layer, it can be all fuel or all water. To find if the sample is fuel or water, do the test that follows:

 NOTE : Do the test only in an approved area.
____
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. If you have a Miscellaneous - - If the powder stays white, the sample HYDROKIT available put the is fuel and the test is complete. contents into the sample
 -If the white powder changes color to purple, the sample is water. Continue to take samples and test until all the water has been removed.
 2. If you do not have a HYDROKIT  - If the sample moves into two layers, available, add water to the then the sample is all fuel and the sample. test is complete.
 -If the sample stays in one layer, then the sample is water. Continue to take samples until all the water has been removed.
 NOTE : You can use the same procedure to do an analysis on a sample from a
____ fuel tanker. Remove the sample from the supply connector of the fuel tanker.
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 5. Close-up
________ Subtask 12-32-28-410-050
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the applicable access panels:

 -for water drain valve 94QM, close access panel 195BB
 -for water drain valve 95QM, close access panel 196BB. Subtask 12-32-28-942-050
 B. Removal of Equipment
 (1) Make sure that the work area is clean and clear of tool(s) and other items.
 NOTE : To discard the water samples, refer to the local regulations.
____
 (2)
 Remove the safety barriers.

 (3)
 Remove the warning notice(s).

 (4)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.

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 TASK 12-32-28-281-003

 Sample Fuel for Microbiological Contamination Analysis
 WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -COMPONENTS THAT MOVE.
 WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
 1. Reason for the Job
__________________
 Refer to the MPD TASK: 281100-04
 NOTE : Refer to Service Information Letter (SIL 28-079) for more data on
____
 microbiological contamination in fuel tanks

 NOTE : This task can be done together with Task 12-32-28-281-001.
____
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific safety barriers No specific warning notices No specific transparent container 1.0 l (0.2641 USgal) No specific 1 MICROBMONITOR 2 TEST KIT ECHA MICROBIOLOGY UK (CAGE
 CODE 0HZY6) No specific 1 FUELSTAT RESINAE TEST KIT CONIDIA BIOSCIENCE UK (CAGE CODE KE385) No specific 1 HY-LITE JET A1 FUEL TEST KIT MERCK KGAA, GERMANY
 (CAGE CODE D2186) 98A28101000000 1 ADAPTING PIPE - WATER DRAINING FROM FUEL 98A28104000000 1 WATER DRAIN PURGER 98A28104000002 1 WATER DRAIN PURGER 98D28104000000 1 PIPE ADAPTING-WATER DRAINING
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 B. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-31-28-660-001  Cold Weather Maintenance - Fuel
 28-00-00-910-001 28-11-00-600-003 28-11-00-600-008  Fuel Safety ProceduresRemoval of Microbiological ParticlesBiocidal Shock Treatment for Moderate Contamination -
With Fuel Mixed with Biobor Biocide
 28-11-00-600-008  Biocidal Shock Treatment for Moderate Contamination -
With Fuel Mixed with Kathon Biocide
 28-11-00-600-008  Biocidal Shock Treatment for Moderate Contamination -
28-11-00-600-008  Using Biobor Biocide With a Metered Injection RigBiocidal Shock Treatment for Moderate Contamination -
28-11-00-600-009  Using Kathon Biocide With a Metered Injection RigBiocidal Shock Treatment for Heavy Contamination -With Fuel Mixed with Biobor Biocide
　
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