hazardous material handling safety
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CHEMICAL HANDLING AWARENESS
Mobile Phone
Course Contents
Delivery of course
Emergency Arrangement
Questions
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OBJECTIVES
To understand
Occupational Exposure
Physical and Chemical Hazard
aspects MSDS & Hazard Symbols
Control Measures
Emergency Response Store Responsibilities
Inventory & Disposal Procedures
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HAZARDOUS MATERIAL-KEY
INFORMATION
IS THE BEST DEFENSE
AGAINST
HAZARDOUS CHEMICAL EXPOSURES
ANDPOTENTIALLY SERIOUS HEALTHEFFECTS
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WHAT IS COSHH? Control
Of
Substances
Hazardous to
Health
Provides a legal framework to protect people againsthealth risks from hazardous substances used at work.
All employers have to consider how COSHH applies totheir work.
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Thousands of people are exposed to hazardous
substances at work.
If the exposure is not prevented or properly controlled, itcan cause serious illness or even death.
This in-turn leads to lost earnings, reduced productivity,expensive prosecutions, firms being sued etc.
Examples of the effects of hazardous substances include:
Skin Irritation
Asthma Being overcome by toxic fumes
Poisoning by drinking toxic liquids
Cancer
Infection from bacteria . to name a few.
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COSHH applies to virtually all substances hazardous tohealth except :
Asbestos and lead, which have their own regulations
Substances which are hazardous only because they
are radioactive, asphyxiates, at high pressure, atextreme temperatures or have explosive or flammableproperties
Biological agents if they are not directly connected
with the work and they are outside the employerscontrol, such as catching a cold from a work-mate.
For the vast majority of proprietary chemicals thepresence (or not) of a warning label will indicate whether
COSHH is relevant.
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CHEMICAL SAFETY
Chemicals are all aroundus every day
Chemicals can be
corrosive
reactive flammable
explosive
oxidizing
Inert
The first step in using chemicals safely is torecognize those materials that may be hazardous toyour health or physical safety.
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CHEMICAL SAFETY
In many cases, the chemicals you maybe dealing with at work are no moredangerous than those you use at home
However, at the workplace exposure islikely to be greater, concentrationshigher, and the exposure time is longer
Therefore, the potential danger is greater
on the job.
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ROUTES OF OCCUPATIONALEXPOSURE
Inhalation - nearly all materials that areairborne can be inhaled
Skin Absorption - skin contact with asubstance can result in poisoning
Ingestion - most workers do notdeliberately swallow materials they handle
Injection - associated with bloodbornepathogens
Ocular - absorbed through the eyes
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EXPOSURE ROUTE
Ear
Lung
Skin
EyeNoseMouth
Muscular-skeletal
Whole body
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TARGET ORGANS
CNSCentral Nervous System
Ear
Lung
Liver
Skin
Reproductive system
EyeNoseMouth
Heart
Digestive tract
Kidneys
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THE HAZARDS
A Chemical can cause a
Physical
&
Health Hazard
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PHYSICAL HAZARDS
We will be looking at various types of physicalhazards and what you need to know to use thesematerials safely. To help you identify materialswhich are physical hazards, the symbols shown
below are often used.
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Physical hazards are those substances which
threaten your physical safety. The most common
types of physical hazards are:
* Fire
* Explosion
* Chemical Reactivity
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There are three classes of materials which use the
Fire symbol.
1. FLAMMABLES can be gases, liquids or solids.
Flammables ignite easily and burn rapidly.
2. COMBUSTIBLES are similar to flammables, but
they do not ignite as easily.
3. PYROPHORIC or spontaneous combustion
materials, burst into flames "on their own
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Whenever you work with a materialthat uses the fire symbol, be sure toread the warning label and the MSDS
for safe handling procedures. Withflammables, combustibles, andpyrophorics, do not expose thesematerials to sparks, flames or other
heat sources. You must also notsmoke or light a match or flame nearthem.
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1. Explosives are materials which release atremendous amount of energy in theform of heat, light and expandingpressure within a very short period of
time.2. Water Reactive react with water and
may explode, or they may release a gas
which is flammable.3. Unstable Reactive are chemicals that
can react or can become self-reactivewhen subjected to shock, pressure ortemperature.
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Whenever you work with a material thatuses the explosive symbol, be sure toread the warning label or the MSDS for
safe handling procedures. Becausematerials that use the explosive symbolare often very dangerous to work with,you may need additional training or
instructions from your supervisor.Always check with your supervisorbefore handling or using materials thatuse the explosive symbol.
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1. Oxidizers cause othersubstances to burn moreeasily through achemical reaction or
change.
2. Organic Peroxidescontain oxygen and act
as powerful oxidizers.Whenever you work with a material that uses theFlaming "O" symbol, be sure to read the warning labeland the MSDS for safe handling procedures.
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Many gases such as nitrogen,oxygen, and acetylene are used inthe manufacturing process. In orderto transport, store and use these
gases, they are "bottled" under greatpressure in tanks called gascylinders.
Great care should be taken when you handle gas cylindersto insure that they are not damaged when they are moved orused. in addition, you should read the warning label and theMSDS for safe handling procedures concerning the gascontained in a gas cylinder.
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We will be looking at various types of health hazards and whatyou need to know to use these materials safely. To help youidentify materials which are health hazards, the symbolsshown below are often used.
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The Medical symbol is ageneral symbol used toidentify materials whichare health hazards.
The Skull and Crossbones is asymbol that has been used forcenturies. Today it is used toidentify hazardous materialswhich are poisonous.
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This symbol is used to identify
materials which are Corrosives.
Corrosives cause tissue damage and
burns on contact with skin or eyes.
This symbol is used toidentify materials which
are Radioactive.
This symbol is used toidentify Hazardous Biological
materials.
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The effects of health hazards are classified as either:
1. Acute
2. Chronic
Acute Health Hazards are those whose effects occurimmediately or soon after you come in contact withthem.
For example, you accidentally spill a strong acid on yourhand. The acid will begin to burn your hand immediately.Or, you begin to work with a paint solvent in a closedarea, and the fumes make you feel dizzy.
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Happen quickly high, brief exposure:
Examples;carbon monoxide poisoningcyanide inhalationhydrogen sulfide
poisoning
Chronic Health Hazards, on the other hand, are thosewhose effects take years or decades to occur aftermany exposures.
An example of a chronic health hazard would beasbestos. The dangerous effects for people who havebeen overexposed to asbestos take years to appearand have been linked to a number of fatal lung
diseases.
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HAZARD SYMBOLS
Environmental Hazard
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HAZARDOUS MATERIALS
National Fire Protection Association (NFPA)
Hazard Rating Diamond
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Each colored bar or small diamond represents a different class ofhazard. The hazard classes found on labels include Health,Flammability, Reactivity, and in some cases, Special Hazards.
Each hazard class uses a different color and a rating scale from
0 - 4.
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Any questions?
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