University of Leicester
Department of Engineering
Safety Office Use
Ref no.....................................
Date Received........................
COSHH
Assessment
1. Person completing form
name:
Graham Clark
position
technical staff
2. Hazardous substance (or group of substances)
description: Magnesium electropolish solution (ethanol 60%, orthophosphoric acid 40%)
Class of Hazard
Harmful
Toxic
Irritant
Corrosive
Highly Flammable
Other hazards:
Health effects: Orthophosphoric acid is harmful if swallowed and in contact with skin. Can
damage mucous membranes, respiratory tract, eyes and skin.
HAZARD CATEGORY
Can an explosive atmosphere form?
no If yes are DSEAR measures in place?
Is the substance on the Anti terrorism Crime and Security Act 2001 pathogen/toxin list?
Are there exposure limits for the substances
no If yes state them
3. Use of hazardous substance
where used: Materials lab.
Very Toxic
Carcinogen
Explosive
Teratogen
Mutagen
low
no
Nature of use: Electropolish of magnesium
By whom used: trained staff / pg students
4. Exposure Potential
Quantity used:
<10mg
Physical charateristics affecting
exposure
Containment (excl. fume cupbrd, etc.)
Frequency of use
Overall Exposure Potential
10mg - 1g
Dense solid
Non volatile liquid
closed system
Occasional
1g - 100g
Dusty solid
Volatile liquid
part closed system
Frequent
>100g
Gas / Aerosol
Highly volatile liquid
open system
Continuous
low
5. Risk Assessment
Route(s) of contact Skin
Assessment of risk to health
Eyes
Inhalation
Ingestion
Other
State
low
6. Precautions Necessary In Handling And Use
Hand protection variety: gloves
Respiratory protection variety:
Eye and Face protection variety safety glasses
State other precautions:
Use in a fume cupboard
Specialist clothing variety:
Other state:
Use written protocol
Special storage precautions:
Disposal: Run to waste with running water.
copy attached
7. Emergency Procedures in case of spillage Wear protective clothing.Wash with plenty of water.
Other specified emergency proceduresIf in contact with eyes or swallowed seek medical help.
First Aid: Standard
Non standard State:
8. Information, Instruction And Training Source of information: MSDS
Training required: General laboratory training
Other
OtherPhyschem.ox.ac.uk
State
9. Final Assessment Risk to health is:
Unlikely
Significant but adequately controlled
significant but controls needed
Unknown
10. Actions To Implement This Assessment State:
Are any of the following required? Monitoring of exposure Health surveillance air monitoring
Is a copy to be sent to the Safety Office?
. If yes, date sent
. Assessment review date
11. Authorisation
NameGraham Clark
Date15-12-2009
online COSHH form v2.2 27/02/09