COSHH Assessment for Making a 100ml Stock Solution of Ammonium Chloride

This COSHH assessment form outlines the procedure for making a 100ml stock solution of Ammonium Chloride, including the substances involved, hazard statements, control measures, first aid, spillage treatment, disposal of waste, and degree of supervision. The form also includes information on personal protective equipment, exposure to combination of substances, and any additional information or checks required. The subject, course code, course name, and college/university are not mentioned.

COSHH ASSESSMENT Page: 1 of 3
Ref No:AmmC1
Building & Room No:Fleming basement laboratories B01 and
B03
Date of Assessment:04/09/2018
Outline of procedure, scheme of reaction, experiment etc (or attach along with form):
Making a 100ml stock solution of Ammonium Chloride
SUBSTANCES INVOLVED
Name If applicable
Hazard
Statements*
If applicable
Hazard Group*
How much
is being
used*
How
dusty/volatile/aerosol
is substance*
For chemicals
control
approach*
Ammonium Chloride Acute
toxicity Oral
H302Eye
Irritant H319
B
Tick if also group S:
yes☐
Small Medium 1
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enter text.
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item.
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an item.
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Faculty of Applied Sciences, University of Sunderland
COSHH Assessment: FAS-CA
Version-3
September 2015

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item.
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*See Notes
Information Sources (tick): Approved Supply List[1]☐ Safety Data Sheet
selected☐ Label ☐ Other[2]☐ Tick to confirm less hazardous substance could not be
used selected☐
[1] For approved supply list go to http://www.the-ncec.com/cselite
[2]Specify Here:
Sigma Aldrich website
COSHH ASSESSMENT Page 2 of 3
Ref No:Click here to enter
text.
CONTROL MEASURES
These should be based on worst case health hazard and will include GOOD CHEMICAL PRACTICE
Containment
For chemicals control approach level 1 For chemicals control approach level
2
For chemicals control approach level
3
For chemicals control approach level 4
selecte
d☐
General ventilation
☐
Local exhaust ventilation
☐
Glove box
☐
Other[3]
☐
Fume cupboard
☐
Enclosed reaction system
☐
Recirculating fume cupboard
☐
Enclosed weighing system
☐
Spray booth
☐
Enclosed transport system
[3]Other Containment Arrangements (Give details here)
N/A
Personal Protective Equipment
NOTE: for use of substances in health hazard group S or adequate control cannot be achieve by other means
select☐
ed
Laboratory Coat select☐
ed
Gloves[4]
☐
Chemical Suit
☐
Face Mask[4]
☐ Overalls ☐ Goggles Face Shield Specialist Footwear[4]
Faculty of Applied Sciences, University of Sunderland
COSHH Assessment: FAS-CA
Version-3
September 2015

☐ ☐
☐ Chemical Apron select☐
ed
Safety Glasses
☐
Respirator[4]
☐
Howie Coat
☐ Other[4]
[4]Please give details:
No special requirement for gloves, any type of laboratory gloves can be used
Any Additional Control Measures Required For:
Exposure to combination of substances:
N/A
Substances which are explosive, oxidizing, flammable or harmful to the environment
N/A
Other non COSHH hazards:
Glass ware use is potentially sharp
Any additional information? E.g. any required checks on control measures and their frequency, health surveillance, substances likely to be particularly harmful to
person who may be at increased risk e.g. pregnant, breastfeeding women, immune-suppressed, young persons, lone workers etc.
N/A
COSHH ASSESSMENT Page 3 of 3
Ref No:Click here to enter
text.
FIRST AID
IMPORTANT: Where medical attention is required this form should be taken
Specify any special treatment (tick)
☐ Calcium gluconate gel for hydrofluoric acid burns
☐
Polyethylene glycol 300 for phenol on skin
☐ Resuscitation equipment to be made available when using cyanides
☐
Other [5]
Faculty of Applied Sciences, University of Sunderland
COSHH Assessment: FAS-CA
Version-3
September 2015

[5]Please give details:
In case of skin or eye contact rinse thoroughly with plently of fresh water, In case of skin soap can be used and this will
be followed by physician’s advice. Ammonium Chloride should never be swallowed and in case that happens then the
physican needs to be contacted immediately
SPILLAGE/RELEASE OF A SUBSTANCE
Chemical Agents
Specify procedure treatment of spillage/release of a substance:
In case spillage, mop the entire spill with paper towels and then rinse thoroughly with water. All the used towels
employed in mopping should be discarded inside the bin of soft chemical waste
DISPOSAL OF WASTE
Specify waste substance(s) Specify storage arrangements prior to disposal
1M solution of Ammonium Chloride In laboratory shelves of cupboards at room temperature
Specify disposal arrangements (tick): Chemical destructor/neutralizer[7]☐ Disposal via authorized contractor ☐ Autoclave ☐ Other[8]☐
[7]Refer to separate COSHH risk assessment number: Click here to enter text.
[8]Please give details:
Unused solution can be discarded through the water basin or sink under the running flow of water
DEGREE OF SUPERVISION
Work to be carried out by: Level of supervision (tick one for each group
worker)
A B C D
Noel Carter
☐ ☐ selecte☐
d ☐
A)Work may not be started without direct supervision by:Click here to
enter text.
Undergrauate
student in practicals ☐ ☐ ☐ selecte
d☐
B) Work may not be started without the advice & approval of:Noel Carter
Undergraduate
students during
porjects
☐ selecte
d☐ ☐ ☐
C) Work (other than categories A or B) where it is considered by the project
supervisor that the individual(s) are adequately trained and competent in the
procedure involved
Click here to enter
text. ☐ ☐ ☐ ☐ D) Normal undergraduate class supervision
Assessor: Noel Carter Date of Assessment:04/09/2018
Assessment approved by:A science manager State position:SL/biosafety advisor Date of approval:Click here to
enter a date.
REVIEW DATE:Click here to enter a date.
Faculty of Applied Sciences, University of Sunderland
COSHH Assessment: FAS-CA
Version-3
September 2015