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: Lead Etchant (70% Glacial acetic acid, 30% Perchloric acid)
Class of Hazard
Harmful
Irritant
Toxic
Corrosive
Highly Flammable
Very Toxic
Carcinogen
Explosive
Teratogen
Mutagen
Other hazards:
Health effects:
Perchloric acid is corrosive to body tissue. Acetic acid is dangerous in very
high quantities only.
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
medium
no
3. Use of hazardous substance
Nature of use: Electropolishing of lead to reveal grain structure.
where used: Materials Lab. Use fume cupboard.
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 fume cupboard.
Specialist clothing variety:
Other state:
Use written protocol
Special storage precautions: Keep in chemical cupboard and away from sulphur and aluminium.
Disposal: Run to waste with plenty of water.
copy attached
7. Emergency Procedures in case of spillage Wear gloves, goggles and lab coat. Mop up and wash with plenty of
water.
Other specified emergency procedures
First Aid: Standard
Non standard
State:
8. Information, Instruction And Training Source of information: MSDS
Training required: General laboratory training
Other
OtherMay and Baker.
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
Date10-12-2009
online COSHH form v2.2 27/02/09