Essay
Unit 17 C-D
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Distinction level, for Unit 17 (Pearson's applied science 2016)
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Hamzah Sarmad17CD
C: Undertake aseptic techniques to culture microorganisms
D: Explore the factors controlling microbial growth in industrial, medical and domestic applications
Aseptic Techniques:
A large skill that was introduced and heavily developed and emphasised in this investigation was aseptic techniques.
This is practices and procedures that are used when performing an experiment containing live microbes to prevent
any contamination occurring from specimen as well as planning to ensure that the proper procedures were taken to
carry out the investigation safely. This included hazard research relating to microbes and preparing the appropriate
personal protective equipment (PPE) to handle the microbes, which included equipment such as gloves and goggles.
Risk Assessment:
Hazard Why is it a hazard Prevention Action to take Safety Regulations
Ingesting agar When ingested agar Do not stand If ingested, then COSHH – Control of
can cause serious directly over the drink plenty of Substances
irritation in the agar when preparing water on top of it Hazardous to Health
gastrointestinal it and do not eat or and alert the (COSHH 2002)
areas as well as in drink anything supervisor on site as RIDDOR – Reporting
the respiratory tract. whilst in the well as the first aid of Injuries, Diseases
laboratory. officer. After that and Dangerous
proceed to fill out a Occurrences
COSHH form, as well (RIDDOR 2013)
as a RIDDOR form.
Nutrient Broth This is an irritant if Handle the nutrient If exposed to the COSHH – Control of
exposed to the eyes, broth away from the nutrient broth in any Substances
skin and the face and body. Also, of the areas stated Hazardous to Health
respiratory system. wear goggles and then rinse it off with (COSHH 2002)
gloves while water, alert the RIDDOR – Reporting
handling the broth. supervisor and of Injuries, Diseases
proceed to fill out and Dangerous
COSHH and RIDDOR Occurrences
forms. (RIDDOR 2013)
Glassware breaking Broken shards of Keep glassware If glassware does COSHH – Control of
glass can lead to away from the edge break and cut Substances
people getting cut of the workbench someone, notify the Hazardous to Health
from the glass. and hold firmly closest first aid (COSHH 2002)
when handling. officer and then fill RIDDOR – Reporting
out a RIDDOR form. of Injuries, Diseases
and Dangerous
Occurrences
(RIDDOR 2013)
Burn Touching the Do not touch the If a burn does occur, RIDDOR – Reporting
autoclave when it is autoclave when it is run the affected of Injuries, Diseases
in process of being used. Once it area under cold and Dangerous
sterilising can cause has finished being water and alert the Occurrences
the skin to burn used let it cool down closest first aid (RIDDOR 2013)
severely as it gets before handling it. officer. Proceed to
very hot. fill out a RIDDOR
form.
Ingesting bacillus Depending on the Keep the bacillus If ingested, then COSHH – Control of
species of bacillus it away from the face immediately alert Substances
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