�ݺ�ߣ

1
Hazardous SubstancesHazardous Substances
Toolbox Talk
This document is made available on the condition that it is used solely to assist you in the preparation of your own safety training
material. Use for resale or similar commercial activity to third parties is strictly forbidden. This document was produced for our
internal use only, and therefore it may not be suitable or sufficient for your purposes. No guarantees whatsoever can be given as to
their legal compliance or comprehensiveness, and you are responsible for obtaining professional advice and verification as to the
correctness or suitability of any training or documents which you produce which are based wholly or in part on these. No liabilities
whatsoever are accepted. It has been made available purely for information to others who may find them useful when formulating
their own safety training and procedures.
© A. Groves & Océ (UK) Ltd

2
Hazardous SubstancesHazardous Substances
 What substances are hazardous and why?
 Intrinsically hazardous e.g. Cyanide
 Hazardous in certain situations, such as
Place e.g. solvents in unventilated areas
Temperature e.g. flammable liquids
 Cause an unsafe situation
e.g. Spilt oil is very slippery
 Almost ALL substances have some
potential to be hazardous!
e.g. Nitrogen causes ‘the bends’ in divers

3
Intrinsically Hazardous SubstancesIntrinsically Hazardous Substances
 COSHH
(Control of Substances Hazardous to Health Regulations)
 Defines a list of substances
which is published annually
 Regulations specify the exact symbols
and words required on the container
 Warning Symbols
 Risk Phrases (R..)
 Safety Phrases (S..)

4
Warning SymbolsWarning Symbols
If inhaled, ingested or penetrates the skin:
 Toxic
 May cause serious illness or death
 Corrosive
 May damage or destroy living tissue
(the effect may be delayed)

5
 Harmful
 May cause some health problems
 Irritant
 May cause inflammation

6
 Explosive
 Highly or Extremely Flammable
 Has a flash point (i.e. easily ignited)
at room temperature or below

7
 Oxidizing
 Supports the combustion of other
substances by generating oxygen
 Harmful to the environment
 May cause damage to
aquatic life or plants

8
Risk Phrase ExamplesRisk Phrase Examples
 R14: Reacts violently with water
 R22: Harmful if swallowed
 R36/37/38: Irritating to eyes,respiratory
system and skin
 R42/43: may cause sensitisation by
inhalation and skin contact

9
Safety Phrase ExamplesSafety Phrase Examples
 S51: Use only in well-ventilated areas
 The area that matters is that immediately around your head
- the vapour that you breathe in.
 S2: Keep out of reach of children
 S20: When using, do not eat or drink
 S24: Avoid contact with skin
 S37/39: Wear suitable gloves and eye/face
protection

10
4 Mandatory Rules4 Mandatory Rules
1. Read the label and instructions
2. Do EXACTLYEXACTLY what they say
 Proper use
 Ventilation
 No flames, smoking or sources of ignition
 Wear appropriate Personal Protective Equipment
 e.g. Eye protection, Correct gloves, Apron etc.
 Handling and storage
 Spill control
 Emergency precautions and procedures

11
4 Mandatory Rules4 Mandatory Rules
3. Ensure the right conditions
 No distractions
 No interruptions
 No passers by
 CONCENTRATE!
3.3. Dispose of waste correctlyDispose of waste correctly

12
3 more points3 more points
 Never transfer a hazardous substance to
another container unless it is designed and
labelled correctly.
 Keep containers tightly closed
 It is the invisible vapour from a solvent or
other petroleum-based product which is
even more dangerous than the liquid.
 It is heavier than air and may be ignited by a spark or flame
some distance from the liquid.
 It may build up to dangerous concentrations where there is
little airflow.

13
3 more points3 more points
 Changing a gas cylinder (inc BBQ etc)
 A small leak can produce a large volume of gas, which can
cause an explosion or a fierce fire
 Change or connect the cylinder to an appliance in the open
air
 Never have a naked flame near an gas cylinder which is
being changed
 Check hoses regularly
 Store spare cylinders outside, but not below ground level
 Lock cylinders away from children

14
P.A.U.S.E.P.A.U.S.E.
P.A.U.S.E.
for thought
 PPlan each task
 AAnalyse what might happen
 UUnexpected - be prepared
 SSlipping, tripping & sprains
 EEntanglement
P.A.U.S.E. for thought ... think safety
A millisecond makes all the
difference

15
To concludeTo conclude
 Please think about what you have seen in
this presentation.
 Injuries hurt. Pain isn’t pleasant.
 Safety = 100%
concentration
100%
of the time
 You have choices about your life.

�ݺ�ߣ

07 chemicals toolbox1g

More Related Content

07 chemicals toolbox1g

Editor's Notes