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Commit 5091466c authored by Annegrät Daujeumont's avatar Annegrät Daujeumont Committed by Kaan Cimir
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Update external/lab-hsa/ppe/ppe.md

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......@@ -45,8 +45,32 @@ Follow the [Docebo Training](https://unisupport.docebosaas.com/learn/course/52/c
More informations about lab coats can be found in the dedicated [How-To card](https://howto.lcsb.uni.lu/external/lab-hsa/lab-coats/).
## PPE Requirements
[1. Classical laboratories activities](#1.-classical-laboratories-activities)
[2. Work with strong chemicals](#2.-work-with-strong-chemicals)
[3. Work with very strong chemicals](#3.-work-with-very-strong-chemicals)
[4. Autoclave unloading and other hot thermal risks](#4.-autoclave-unloadinh-and-other-hot-thermal-risks)
[5. Automated cryostorage](#5.-automated-cryostorage)
[6. Distribution of Liquid Nitrogen in a Dewar](#6.-distribution-of-liquid-nitrogen-in-a-dewar)
[7. Usage of Liquid Nitrogen in open Dewars](#7.-usage-of-liquid-nitrogen-in-open-dewar)
[8. Other cold thermal risks](#8.-other-cold-thermal-risks)
[9. Spill management](#9.-spill-management)
[10. Work with non tested biological samples](#10.-work-with-non-tested-biological-samples)
[11. Work with non-toxic smelling samples](#11.-work-with-non-toxic-smelling-samples)
### 1. Classical laboratories activities
......@@ -78,9 +102,9 @@ Note: Disposable gloves must be discarded after each use or when they become con
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### 2. Work with stronger chemicals
### 2. Work with strong chemicals
When handling stronger chemicals, such as work with DNA labelling reagents.
When handling stronge chemicals, such as work with DNA labelling reagents.
- **Lab coat**
......@@ -111,7 +135,7 @@ Wear the glove above your lab coat.
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### 3. Work with strong chemical risk
### 3. Work with very strong chemicals
Dealing with strong chemicals such as strong acids, bases,... requires specific gloves providing specific protection, on top of the regular PPEs.
Those gloves are not disposable gloves.
......@@ -311,77 +335,3 @@ Ensure protection against particles and limited protection against chemical vapo
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### Respiratory protection
If this is the case, observe the general recommendations for the usage of the respirators:
• respirators must be properly fitted and tested before use
• respirators have a maximum wearing duration, observe the manufacturer ‘s recommendations
• Discard the respirators in the adequate waste bins
<div align="center">
<img src="img/img17.png">
</div>
#### Surgical masks
The main intended use of surgical masks is to protect patients and the clinical area from infectious agents from the nose and mouth of the person wearing the mask. As such, they are not classified as respiratory protective equipment. However, in certain situations and if worn properly, a surgical mask and additional eye protection can protect the wearer against droplets and splashes of potentially contaminated liquids.
It is important to note that not all surgical masks offer splash protection.
#### Particle filters (FFPX)
Particle filters trap and hold particles (dust, mist, fumes, smoke, microorganisms) from the air flowing through them. Large particles are easier to trap than small ones. These filters can be used against both solid particles and liquid particles (mists, fine sprays and aerosols).
Particle filters are classified according to their efficiency. Different classification systems exist (based on various national and international standards).
<div align="center">
<img src="img/img18.png">
</div>
Ref: WHO Manual 4th edition 2020.
As a filter is used, it becomes loaded with the contaminant(s) and eventually becomes blocked.
This makes it difficult for the air to flow through the filter and indicates that it should be replaced.
Sometimes, the blockage might impair the efficiency of the filtration media by decreasing its global electric charge or even reversing it.
As a result, pores might form in the media that could allow the passage of hazardous particles.
Follow the manufacture‘s recommendation for the maximum usage duration.
The masks we use are as follows:
##### Disposable particle filtering respirators, FFP1/FFP2 with charcoal coating.
<div align="center">
<img src="img/img19.png">
</div>
Usage: The face mask in the spill kit.
##### Disposable particle filtering respirators, FFP2
<div align="center">
<img src="img/img20.png">
</div>
These masks provide protection against particulates, dust and aerosols. For use against non toxic to low toxicity solid and liquid aerosols.
##### Disposable particle filtering respirators, FFP2/FFP3
<div align="center">
<img src="img/img21.png">
</div>
##### Disposable particle filtering respirators, FFP3
<div align="center">
<img src="img/img22.png">
</div>
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