The Importance of Contact Time

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Questions and Answers

Which cleaning solution should be used to clean the balances?

  • Hot water
  • Virkon
  • Klericide (correct)
  • Dishwashing liquid

How often should glassware be autoclaved?

  • Every Monday
  • Every Thursday (correct)
  • Every day
  • Once a month

What should be done with full 60L yellow bins, sharps bins, and liquid waste drums?

  • Empty them into the 700L waste bins
  • Autoclave them
  • Move them to the atrium (correct)
  • Leave them in the lab

Which cleaning solution should be used to clean the pH meter and probes?

<p>Klericide (C)</p> Signup and view all the answers

How should the pH probes be calibrated?

<p>Using pH buffers and distilled water (C)</p> Signup and view all the answers

Where should the glassware be placed after autoclaving?

<p>In the cupboard (C)</p> Signup and view all the answers

When should the surfaces in the main lab, autoclave room, and instrument room be cleaned?

<p>Every day (D)</p> Signup and view all the answers

What should be done with non-hazardous waste such as plastics and cardboard after deliveries?

<p>Empty them into the 700L waste bins (D)</p> Signup and view all the answers

Which cleaning solution should be used to clean the area around the balance?

<p>Klericide (B)</p> Signup and view all the answers

How should the glass components of the balance and the walls of the fume hood be cleaned?

<p>With Virkon (B)</p> Signup and view all the answers

Which of the following is the recommended contact time for sanitizers to work effectively?

<p>60-90 seconds (A)</p> Signup and view all the answers

What should be done with the blue roll used for wiping the surface?

<p>Dispose of it in the 60L yellow bins (D)</p> Signup and view all the answers

Why should residue sanitizer not be left on surfaces after wiping?

<p>It can damage the surface (B)</p> Signup and view all the answers

When do the weekly cleaning tasks fall?

<p>Every Friday (C)</p> Signup and view all the answers

What should be done if the assigned owner of a cleaning task cannot complete it?

<p>The task should be reassigned to another person (A)</p> Signup and view all the answers

Which cleaning solution should be used for daily cleaning tasks?

<p>Virkon (B)</p> Signup and view all the answers

What should be done with large spills in the lab?

<p>Use the large spills kit and spread it all over the spills (A)</p> Signup and view all the answers

Where should hazardous waste be placed?

<p>In the 60L yellow bin (C)</p> Signup and view all the answers

When should the working space be cleaned with Virkon?

<p>Before and after experiments (A)</p> Signup and view all the answers

What should be done with the debris from large spills?

<p>Dispose of it in the 60L yellow bin (A)</p> Signup and view all the answers

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