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  • 7/23/2019 Nebosh Summary IGC2-2

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    NEBOSH International General Certifcate IGC 2 Elements 1-8 Control oWorkplace Hazars

    Element 1! Workplace Hazars an Control

    Work In a Hot En"ironment

    #Healt$ e%ects

    Skin burns Cataracts

    Dehydration

    Heat cramps

    Headaches

    Fainting

    #&reca'tions

    Medical pre-selection

    Acclimatisation

    Limit time of exposure

    Cold drinks

    !

    Work in Col En"ironment

    Healt$ e%ects

    Hypothermia

    Loss of concentration

    Shi"ering

    Frost bite

    &reca'tions

    Medical pre-selection

    Acclimatisation

    Limit time exposure

    Hot drinks #nsulated clothing

    Welare an En"ironment iss'es

    #Welare

    Su$cient toilets

    %ashing facilities

    !ating and changing facilities

    Clothing storage

    Seating

    &est areas

    Arrangements for non-smokers

    #Workin( En"ironment

    'emperature

    (entilation

    Lighting

    &oom dimensions

    Suitable )ork stations and seating

    %eather protection for outdoor

    )orkstations

    )iolence at *ork

    Occ'pations at risk

    'axi dri"ers Hospitals

    Schools

    Cash transactions

    Deli"ery* collection of money

    #Control meas'res or "iolence at *ork

    'raining and information

    'he en"ironment Design of the +ob

    Communication

    Lone )orking

    &eporting and recording incidents

    Hazars to &eestrians

    Slips, trips and falls on same le"el

    Falls from Height

    Collisions )ith mo"ing "ehicles

    &reca'tions or accient on Staircases

    &emo"al of obstructions

    ro"ision of non-slip surfaces &eecti"e edging

    Ade.uate lighting

    !/ecti"e maintenance

    0se of Signs

    %idth

    ro"ision of handrails

    Dimensions treads and risers

    Landings

    Consider disabled persons

    A"oid the need to carry hea"y ob+ects up and

    do)n

    Ca'ses o +ccients on *alk*a,s almostt$e same

    +ccients on *alk*a,s on staircases

    opposite o ao"e

    Healt$ E%ects o &oor .i($tin(

    !ye strain

    Headaches

    oor posture

    'ripping o"er unseen ob+ects

    #ncreased likelihood of human error

    #ncreased time to "acate )ork area

    /actors to Consier W$en +ssessin( +e0'ac, o

    .i($tin(

    'he tasks being undertaking

    'he si1e and layout of the )ork area

    'he e.uipment used

    A"ailability of natural light

    Shift times*)ork patterns

    Suitable number of arti2cial light

    Contrast le"els

    3lare

    Areas in shado)

    4eed for locali1ed lighting

    Maintenance of lighting Ade.uate emergency lighting

    .aers

    5

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    NEBOSH International General Certifcate IGC 2 Elements 1-8 Control oWorkplace Hazars

    #Hazars in 'se

    Falling o/

    6"erreaching

    Carrying up materials

    0nsuitable ladders

    Ladder not properly secured

    #ncorrect angle

    4ot reaching abo"e landing place

    Aluminium ladders near electrical lines

    oile o*er Sca%ol

    #&reca'tions

    !rected by competent persons

    re use inspections

    ositioned on 2rm ground

    Correct height to base ratio 789 :5 inside,7:5 outside

    0se of outriggers to broaden base

    'ying in to ad+acent structure eople and materials remo"ed before

    mo"ing

    Handrails and toe boards

    Suitable )ork platform

    4ot o"erloaded

    Hazars opposite o ao"e

    oile Ele"atin( Work &latorms

    Hazars

    eople falling or being thro)n

    Materials falling

    Crushing bet)een carrier and a 2xed

    structure

    Collapse or o"ert'rnin( o EW& ca'se ,

    !.uipment failure

    0nsuitable ground conditions

    Defecti"e or unused outriggers

    6"erloading of the carrier

    Struck by load

    Struck by another "ehicle

    #nterference )ith controls

    &reca'tions opposite o ao"eS'spene access crales an platorms

    &reca'tions

    re- use inspection

    Supports to building of ade.uate strength

    Suitable maintained

    Safe access and egress

    4ot exceed safe )orking load

    3uard rails and toe boards 2tted

    Safety harness )orn

    Limitations on use in strong )inds

    E3ca"ations

    #ain Hazars

    0ndermining foundations

    Collapse

    0nderground ser"ices

    ersons falling in

    (ehicles close to edge

    Access and egress

    Ha1ardous atmospheres

    Flooding Contamination

    'ype of soil

    &emo"al of soil

    &reca'tions or +o"e opposite

    #&reca'tions or 'ner(ro'n ser"ices

    lan +ob

    Locate cables

    A"oid cables

    Safe digging procedures

    #Hazaro's o 4emolition 0nderground and o"er head ser"ices

    Falls from height

    Fall of materials

    remature collapse

    Health ha1ards

    3ases and "apours

    4oise

    (ibration

    #onising radiations

    ;iological ha1ards

    &reca'tions opposite o ao"e pl's

    !xclusion 1ones Safe method of demolition

    !

    Element 2! ransport Hazars an Control

    eas'res

    Hazars o /ork r'cks

    6"erturning

    6"erloading

    Loss of loads

    Collisions )ith other "ehicles

    Collision )ith pedestrians

    !xplosions and 2re

    #W$, can tr'cks o"ert'rn

    'ra"eling on gradients that are too steep

    'ra"elling for)ards )hen descending slopes

    6"erload or une"enly loaded

    'ra"elling o"er soft or une"en ground

    'ra"elling o"er slippery surfaces

    'ra"elling too fast

    Striking kerbs of other edges

    Carrying loads at dangerous heights

    o a"oi o"ert'rnin( opposite o ao"e

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    NEBOSH International General Certifcate IGC 2 Elements 1-8 Control oWorkplace Hazars

    #&roce'res to ollo* *$en parkin( ork lit

    tr'cks

    ut gears in neutral position

    Apply the handbrake

    S)itch o/ engine

    &emo"e key and keep it )ith the responsible

    person*place Forks to be rested on the oor

    Mast slightly for)ard

    arked in the designated parking area makingsure it=s not blocking %alk)ays or exits8

    #+itional $azars o electric ork tr'cks

    Hydrogen gas released during safety charging

    !lectricity problems

    Manual handling of li.uids

    Corrosi"e acids

    'hey are .uit >eople may not hear themcoming?

    4ri"er Selection

    Suitable age

    Medical examination

    &outine medical checks at regular inter"als

    Assessment after prolonged absences

    Capable of 'raining

    &efresher 'raining

    #Saet, o peestrian in "e$icle mo"in( areas

    Segregation

    Suitable parking areas

    A"oid re"ersing if possible

    6ne- )ay systems A"oid sharp or blind bends

    Su$ciently )ide entrances and gate)ays

    (ision Aids

    Speed limits

    Signallers >;anksmen?

    rotection from fumes

    rotection from materials falling o/

    High "isibility +ackets

    Element 5! an'al an ec$anical Hanlin(

    Hazars

    #Er(onomics

    'he study of the relationship bet)een )orkers andtheir en"ironment, )ork e.uipment and )ork task8

    Work relate 6pper lim 4isorers 7W6.4s9

    #Ca'ses I W6.4s

    &epetiti"e 2nger, hand or arm mo"ements

    ')isting mo"ements

    S.uee1ing

    Hammering

    ushing, pulling or reaching mo"ements

    S,mptoms

    4umbness in 2ngers

    ains in hands or arms

    &estriction of +oint mo"ement

    Soft tissue s)elling

    #/actors to Be Consiere 4'rin( isk

    +ssessment

    Force exerted

    Fre.uency and duration of operation &epetition of mo"ement )ithout rest or

    reco"ery

    osture

    Constraints on space

    !n"ironment

    Impro"e +o"e pl's

    Mechanise task

    0se correct tools and e.uipment

    4ispla, Screen E0'ipment 74SEs9

    #Healt$ E%ects

    0pper limb pains and discomfort

    !ye and eyesight e/ects

    !pilepsy

    &adiation e/ects in pregnant )omen

    Fatigue and stress

    Workstation e0'irements

    Ade.uate lighting

    Minimum noise

    Ample legroom

    Suitable screen at eye le"el

    Suitable soft)are

    @eyboard %ork surface

    Suitable )ork chair

    Footrest if necessary

    Healt$ E%ects o emainin( Seate /or a .on(

    ime

    (ertebral and muscular damage

    High blood pressure

    Circulation problems

    #S'itale Seat or Seentar, Workers

    3ood lumbar support

    3ood )idth and depth Ability to ad+ust seat back and height

    Stable base

    Ability to s)i"el

    ro"ision of arm rests

    #an'al Hanlin( In:'ries

    !xternal: Cuts, bruises, contusions, abrasions,crush in+uries >Fractures?

    #nternal: Muscle Strains, 'endon 'ears, Hernias,slipped disc >Disc prolapsed?

    Hierarc$, to re'ce man'al $anlin( in:'ries

    A"oid manual handling Assess

    #mplement controls

    7

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    NEBOSH International General Certifcate IGC 2 Elements 1-8 Control oWorkplace Hazars

    Manual handling &isk Assessment >.IE?#.oa

    %eight

    Si1e

    Shape

    &igidity

    Di$cult to grasp 0nstable

    Sharp edges

    Hot*Cold

    #Ini"i'al

    Sex

    Stature

    #ndi"idual capability

    'raining

    erson=s assessment of )on capability

    #ask

    Holding a)ay from trunk

    ')isting, Stooping

    &eaching up)ards

    Long "ertical mo"ement

    Long carrying distances

    Strenuous pushing or pulling

    4umber of boxes needed to be lifted

    >fre.uency of lifting?

    &epetiti"e handling

    #nsu$cient rest or reco"ery

    %ork rate imposed by the process

    #En"ironment

    Constraints on posture oor oors

    (ariations in le"els

    Hot*Cold*humid conditions

    oor lighting

    #Correct an'al Hanlin( ec$ni0'e

    Assess the load

    Close to load as possible

    Secure grip

    Suitable feet position

    ;ack Straight

    ;end the knees Load close to the body

    Smooth mo"ement

    ,pes o Crane

    Mobile

    'o)er

    3antry

    6"erhead

    Cranes ma, ail eca'se o

    6"erturning

    6"erloading 0nsuitable support or inade.uate bases for

    crane

    Loss of load

    Failure of load

    Lack of maintenance

    Failure of load bearing part

    Cranes ma, O"ert'rn Beca'se o

    oor road surfaces B soft, greasy, une"ensurfaces

    oor en"ironmental factors such as lighting,

    dust

    Speeding

    Lack of regular maintenance

    Lack of dri"er competence

    6"erloading of "ehicles

    (ehicles carrying unstable loads

    %ind

    0nstable ground conditions

    #Sae 6se o Cranes Suitable crane

    Suitable crane conditions

    0se of outriggers

    A"oidance of obstructions

    Care near o"erhead po)er lines

    Designated and protected area

    Suitable and tested lifting tackle

    Correct slinging techni.ue

    Competent personnel

    Load gear ground if tra"elling

    3ood "isibility

    3ood communications

    Suitable storage for fuels etc

    Hazars opposite o ao"e pl's6se o crane in $i($ *ins

    #Emplo,ee Saet, 'rin( .itin(

    'rained personnel

    roperly trained e.uipment

    !.uipment has had statutory inspections

    %arning of lift taking place

    4o employee to )alk under load

    !nsure load is secure

    S%L crane and tackle not exceeded

    Lifted to correct height Mo"ed at appropriate speed

    Ade.uate super"ision

    Lifting Accessories >'ackle?

    ain Hazars

    6"er loading* used abo"e safe )orking load

    #ncorrect use e8g8 too )ide an angle )ithchains

    #nsecure attachment of load

    Damage to tackle

    #ncorrect slinging method

    Failure to examine and inspect pre-use

    #ncompetent sta/

    &reca'tions opposite o ao"e

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    NEBOSH International General Certifcate IGC 2 Elements 1-8 Control oWorkplace Hazars

    #Con"e,orsHazars &reca'tions

    'rapping in dri"er

    mechanisms

    3uards, 4o looses clothing

    'raps, 4ips,

    Dra)ing in

    op out, rollers, nip guards

    Sharp edges !dge protection, eliminate

    edges#tems +amming

    con"eyor

    Ade.uate design

    Falling ob+ects !dge guards, barriers&iding or crossing

    con"eyor

    ;ridges, complete enclosure

    #mpact )ith ob+ects Helmets, adding

    4oise Hearing protectionManual handling Mechanical handling!lectrical Ha1ards Suitable e.uipment

    Element ;! Work E0'ipment Hazars an Control

    #&reca'tions on aintenance o Work E0'ipment

    0se of permit to )ork

    #solation*locking o/

    Dissipation of stored energy

    Segregation

    Safe means of access

    0se of !

    Competent personnel

    !nsure safe en"ironment >allo) to cool?

    #Hazars o aintenance Work Opposite o

    ao"e pl's Chemical

    ;iological

    Asbestos

    Hot or Cold

    ressure to complete )ork

    #ec$anical Hazars o ac$iner, < 7ENICE9

    Entanglement

    raps >Also referred to as dra)ing in - shear-crush?

    Impact

    Contact >Also referred to as cutting-

    stabbing- puncture? E+ection

    Draw labelled diagrams of each one

    #Non- ac$iner, Hazars o ac$iner,

    Chemical*;iological Ha1ards

    Dust and fumes

    !rgonomics

    !lectricity

    Fire

    !xplosion

    Ha1ardous substances

    Manual Handling 4oise

    &adiation

    Stability of Machine

    'emperature of extremes

    0ltra "iolet light

    (ibration

    G'ars - /I+

    #/i3e G'ars

    A physical barrier not connected to themachine controls )hich has no mo"ing partsand re.uires a tool to remo"e it8

    #/i3e G'ars

    +"anta(e

    Minimal maintenance 4ot linked to6nly defeated by deliberate act 4o protection6nly "isual inspection Access to dan

    May protect against other ha1ards e8g8

    noise, dust, in+ection of materials

    More di$cult t

    access re.uire

    'ends to be lefMay hamper "

    #Interlockin( G'ar

    Linked to the machine controls so that )hen

    the machine is in a dangerous condition theguard cannot be opened or opening the guardcauses the machine to become safe8

    #Interlockin( G'ar

    +"anta(e

    Allo) safe access for feeding materials #ncrease t

    Con"enient to use Di$cult tLess likely to be deliberately defeated May need

    Speeds up operations Compone

    &egular mMay not f

    Element =! Electrical Hazars Controls

    ain Hazars o Electricit, 7BS+/E9

    ;urns

    Shock

    Arcing

    Fire

    !xplosions

    Seconar, E%ects o Electricit, Fall from height

    0nintentional mo"ement of machine

    De-acti"ation of control measures

    Loss of information

    'hro) o/

    #Healt$ e%ects o Electricit, on t$e Bo,

    Damage to ner"ous system

    #rregular heartbeat >2brillation?

    #nternal ;urns

    !xternal ;urns

    Muscular contractions

    Stopping breathing Stopping of the heart

    9

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    NEBOSH International General Certifcate IGC 2 Elements 1-8 Control oWorkplace Hazars

    #/actors In>'encin( Se"erit, o Electrical S$ock

    (oltage

    Current

    'ime

    Conducti"ity of resistance

    ath of current through the body

    !n"ironmental factors B )et conditions

    Conducti"ity of the skin B )et or dry

    #+ction on /inin( Someone In Contact Wit$

    Electricit,

    #solate the supply if possible B or remo"e

    person from the supply using a non-conducti"e instrument

    Summon help

    3i"e 2rst- aid if able

    &emain )ith casualty until emergency

    ser"ices arri"e

    Ca'ses o Electrical /ire #nade.uate circuits

    6"erload circuits

    #ncorrect fuses

    Damaged insulation

    Loose connections

    Flammable materials too close to electricale.uipment

    6"er heating of cables

    #Saet, o &ortale Electrical +ppliances

    #$e appliance

    ;attery operated Checked before use

    Suitable selected e.uipment

    roperly maintained e.uipment

    #$e .ea

    !nsure not run o"er by "ehicles

    Dragged o"er rough ser"ices

    'rapped in machinery

    !xposed to hot surfaces or corrosi"echemicals

    Continuous exing

    #?oints@ Connections an pl'(s

    Makeshift temporary connections

    Leads getting pulled out

    oor made connections

    Fuse being replaced

    ;attery operated

    #/'se

    A )eak link designated to melt, breaking

    the circuit at excessi"e currents

    Circ'it Breakers

    !lectromagnetic de"ice )hich perform the samefunction as fuses i8e8 break the circuit at excessi"e

    current although slightly faster8

    Eart$in(

    !lectricity )ill al)ays try reach earth and earthingmeans pro"iding a path to earth lo)er than the humanbody8

    Isolation

    'he disconnection and separation of the electrical

    e.uipment from e"ery source of electrical e.uipmentin such a )ay that the disconnection and separation issecure8

    e'ce )olta(e S,stems

    ;y reducing the "oltage present system theconse.uences of electrical shock can be greatlyreduced8

    esi'al C'rrent 4e"ices 7C49

    #t compares the current o)ing into the system )iththe current o)ing out8 %hen the le"el di/ers by apresent "alue the &CD )ill open rapidly and interruptthe supply8

    6ser C$ecks

    !.uipment is of an appro"ed standard

    %iring and casing are free from damage

    Cables are correctly routed

    Systems not o"erloaded

    Correct fuses

    lug properly )ired and gripped

    Competent users

    0sing reduced "oltage in )et conditions

    0sing &CDS=s

    OAce En"ironments

    Suitable e.uipment manufactured to

    appropriate standards

    A"oid the use of trailing cables

    A"oid multi- socket extensions

    Control pri"ate electrical e.uipmentbrought from home

    &eport defecti"e and damaged e.uipment

    !nsure e/ecti"e heating

    S)itch o/ o"ernight

    'est appliances at regular inter"als

    Element ! /ire Hazars an Control

    #Ca'se o /ire

    Arson

    !lectrical faults

    Misuse of electrical e.uipment

    Smoker=s materials

    6il*gas heating e.uipment and portableheaters

    0nsafe storage of materials

    0se of ammable li.uids or gases inunsuitable areas

    %elding* hot )ork

    Mechanical heat >Spark*friction?

    #$e /ire rian(le!- /'el@ So'rce o i(nition@O3,(en

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    NEBOSH International General Certifcate IGC 2 Elements 1-8 Control oWorkplace Hazars

    Saet, 6sin( t$e /ire rian(le!

    &emo"e Fuel E star"e

    &emo"e Heat E cool

    &emo"e 6xygen E smot$er

    /las$ &oint! - $e temperat're at *$ic$ a "apor(i"en o% , s'stance *ill i(nite *$en ro'($tto a so'rce o i(nition

    #Classes o /ire!

    +- Com'stile Soli 7Woo@ &aper Etc9B- /lammale .i0'is 7+lco$ol@ &etrol9C- /lammale Gases 7B'tane@ H,ro(en@&ropane94- etals 7a(nesi'm9/- Cookin( eia 7)e(etale Oil or +nimal /ats9

    et$o o Heat ranser

    #4irect Contact

    'he ame and a combustible fuel are in direct contactand the fuel heats up and e"entually ignites8

    #Con'ction

    Heat tra"els )ithin a solid material >such as metal?from hotter to cooler parts

    #aiation

    Heat )a"es >infrared? is radiated through the aircausing heating of a material at a distance from the2re8

    #Con"ectionHot air rises in currents causing the build up of hot andunburnt gases ceilings etc, and allo)s 2re to spreadfrom one room to another8

    #/ire preca'tions to minimize t$e risk to people

    in t$e e"ent o fre

    Suitable Fire* smoke detection

    #/ire +larms

    Suitable

    &egular testing

    Contact )ith emergency ser"ices

    #eans o Escape

    'ra"el distances

    Stair)ays

    Fire doors

    Signage

    !mergency lighting

    Assembly point

    #eans o .i($tin( t$e /ire

    Suitable extinguishers

    roperly sited extinguishers

    'raining in use of extinguishers

    !xtinguishers properly maintained

    #Emer(enc, E"ac'ation &roce'res

    Fire marshals

    Fore notices

    Fire drills

    &oll calls

    ro"ision for disables

    Element D! C$emical an Biolo(ical Healt$$azars an controls

    ar(et Or(ans

    A part of the body )hich sustains an ad"erse e/ect)hen it is exposed to or by contaminated by aparticular harmful agent8

    E3amples! erc'r,@ lea t$e rain@ asestos@ammonia t$e l'n(s

    #Bo, 4eenses a(ainst 4'st

    'he hair and )etness of the nose

    'he change of direction of the larynx

    Snee1ing and coughing

    'he hair cells in the respiratory tract

    'ears and blinking of the eyes

    4ermatitis

    S,mptoms! Blisters@ In>ammation@ 4r,ness@eenin(@ Crackin( o skin

    #&rotecti"e meas're a(ainst 4ermatitis

    !liminate the substance

    Substitution of the substance

    ;arrier creams,

    3ood hygiene practices

    !

    #o'tes o Entr, in t$e Bo,

    #nhalation

    #ngestion

    Absorption

    Direct entry

    #n+ection

    #+c'te E%ects

    Ad"erse health e/ects resulting from single or shortterm exposure to large .uantity of the harmful

    substance, it is usually re"ersible e8g splashing acidonto the skin )ill gi"e an immediate reaction8

    #C$ronic

    Ad"erse health e/ects resulting from prolonged orrepeated exposure to small .uantities of the harmfulsubstance leading to a gradual often irre"ersiblee/ects e8g exposure to asbestos duct o"er many years)ill lead to asbestosis and cancer of the lungs-mesothelioma8

    Classifcation o Hazaro's S'stances

    Irritant

    4on- corrosi"e substances )hich through immediate,prolonged or repeated contact )ith skin or mucousmembrane may cause inammation e8g etrol

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    NEBOSH International General Certifcate IGC 2 Elements 1-8 Control oWorkplace Hazars

    Corrosi"e

    Substance )hich on a contact )ith li"ing tissue maydestroy it by burning e8g8 acids

    Harm'l

    Substances )hich if s)allo)ed, inhaled or penetratethe skin may cause damage to health8

    o3ic

    A poisonous substance )hich in lo) .uantities maycause death, acute or chronic damage to health8

    Carcino(enic

    Substance )hich causes disorders to dell gro)th thatmay lead to cancer8

    #Inormation on an'act'res Saet, 4ata

    S$eets 7S4S9

    #denti2cation of the substance

    Manufactures information

    Composition of the ingredients First-aid precautions

    Fire-2ghting measures

    Handling and storage

    !

    Disposal considerations

    'ransport information

    &egulatory information

    #Gra Sample 7C$emical Stain4etector 'e9

    +"anta(es

    Lo) cost #naccurate

    'akes little time ositioning of tube#mmediate result 6nly a snap shot

    Little training #ne$cient#nformation during spillage Chemical use only3ood for coarse indication Substance speci2c

    Hazaro's s'stance risk assessment = steps as

    normal Control o $ealt$ $azars Eliminate or

    e'ce , s'stit'tion

    Isolate

    'otal enclosure

    Segregate the people

    Control

    !ngineering Control >L!(?

    Maintenance of controls

    Change the )ork pattern or method

    Hygiene and housekeeping

    &&E

    4iscipline

    Emer(enc, controls or spilla(e@ air poll'tion

    etc

    (entilation systems alarmed

    !

    !mergency sho)ers, eye )ash facilities

    ;ooms, sa)dust, spillage procedures

    !"acuation procedures

    #solation of the area

    !"acuation of the employee at risk

    ! for sta/ in"ol"ed in clear up

    .ocal E3$a'st )entilation 7.E)9ain parts! Hoo@ 4'ctin(@ /ilter@ /an

    4ra* sketc$ as pro"ie

    #.E) ecomes ineAcient eca'se o

    ;locked 2lters

    Lack of maintenance

    osition of hood

    0nauthori1ed alterations

    ;roken ducting

    %ear of fan blades

    #ncorrect settings

    #ncreased contaminant le"el

    #nade.uate design

    Failure of operators to use it

    C$eck opposite o ao"e

    Specifc +(ents

    #+mmonia

    #s a colourless gas )ith a pungent odour8 #t is acorrosi"e and can cause irritation to the eyes upperrespiratory tract in small concentrations8 Largeconcentrations can cause blindness and uid in the

    lungs8 !ye protection and respiratory essential8

    #+sestos

    ain t,pes! - Bl'e@ Bro*n an W$ite4iseases! +sestos@ .'n( Cancer@ esot$elioma

    6ses

    ipe lagging

    %all and roof panels

    Ceiling tiles

    'extured coatings

    #nsulation materials

    3askets

    ;rake linings

    Caron 4io3ie

    Colourless and odourless gas that is hea"ier than air8Lo) le"els increases the rate of respiration and highdepress the rate of respiration leading tounconsciousness and e"en death8 roduced infermentation process e8g bre)eries8

    Caron ono3ie

    Colourless and odourless and tasteless gas8 Found)here incomplete combustion occurs e8g boilers,"ehicle exhausts8

    #nhalation of the gas results in headache, dro)siness,ushed Gpink= appearance and ultimately asphyxiation8

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    NEBOSH International General Certifcate IGC 2 Elements 1-8 Control oWorkplace Hazars

    C$lorine

    A greenish toxic gas )ith a pungent smell )hich ishighly irritant to the respiratory system8

    4'sts

    4uisance dust can cause asthma, bronchitis,emphysema, and conditions such as asbestos, silicosis8

    #4'st Ientifcation

    (isual signs of dust

    Dust lamps

    Static or personal sampling

    Health sur"eillance

    #Control eas'res or 4'st

    !limination

    Substitution e8g8 pellets instead of po)ers

    !nclosure of the process

    Local exhaust "entilation

    (acuuming instead of s)eeping

    Damping do)n

    Limiting time of exposure

    Limiting numbers exposed

    &espiratory protecti"e e.uipment

    .ea

    A hea"y, soft and easily )orked metal8 Can enter bodyby eating contaminated food but usually by breathingfumes or dust8

    Acute lead poisoning can result in nausea, headaches,e/ects on the ner"ous system sometimes death inser"e cases8

    #Or(anic sol"ents

    'hese dissol"e other substances and are also used ascleaning and degreasing agents8 'hey are "olatile ande"aporate .uickly at room temperature so their"apours can be dra)n into the lungs8Acute e/ects are irritation of the eyes, skin, throat andlungs8 !/ects may be headaches, nausea, di11inessand loss of consciousness and in extreme cases indeath8

    Isoc,anates

    6rganic compounds )idely used in industry forproducts such as spray painting of "ehicles and

    production of polyurethane rubbers and foams8

    #nammation of the nasal passages and throat canlead to asthma8

    Silica

    Found in sand, granite etc8 and the health ha1ardcomes from breathing it in )hich can lead to the lungdisease silicosis8

    Biolo(ical +(ents

    .eptospirosis or Weils isease

    ;acteria found in the urine of female rats and the most

    common source is in ri"er )ater, se)ers etc8 !ntersthe body through puncture of the skin or ingestion8Attacks the kidneys and li"er causing hightemperatures and may be fatal8

    .e(ionella

    An airbone bacterium found in )ater sources such ascooling to)ers, stagnant )ater etc8 #t is caused byinhalation of airbone droplets of )ater containing thelegionalla bactieria leading to a form of pneumonia e8i8breathing di$culties, high temperature and possibledeath8 'hose at greatest risk are middle aged smokers

    or elderly people )ith chest problems8 Controlmeasures in"ol"e temperature control and monitoring,a"oiding Gdead legsI legs in pipe)ork, biocidetreatment and e/ecti"e cleaning and maintenance8

    Hepatitis

    A disease of the li"er and can cause hightemperatures, nausea and +aundice8 #t is caused byha1ardous substances or a "irus8 Health )orkers andthose handling bodily uids are most at risk8 'hecontrol measures in"ol"e inoculation and good hygienepractices8

    #Control eas'res or Biolo(ical Hazars

    Cleaning and disinfection %ater treatment

    (ermin control

    Containment of the biological agent

    A"oidance of sharp implements

    roper disposal of contaminated )aste

    #mmuni1ation

    ersonal Hygiene

    !

    #Waste o Stora(e

    Su$cient storage area

    Clearly the label the storage area

    !nsure storage area secure

    rotect storage area )ith bunds etc8

    Store di/erent types of )aste separately

    4e"er store incompatible )aste together

    Select appropriate containers

    @eep .uantities of )aste to a minimum

    rotect )aste from the elements

    Element 8! &$,sical an &s,c$olo(ical Hazars

    Noise

    Noise erminolo(, Fre.uency: 'he number of )a"e fronts

    assign a point in one second measured inHert1

    #ntensity: the loudness of the noise

    Decibel: 'he sound pressure le"el

    F+ Wei($tin(! + flter in t$e noisemeter t$at e0'ates t$e noise to $o*t$e $'man ear percei"es t$e noise

    Hearin( 4ama(e

    +c'te

    Stress 4oise ind'emporary threshold shift ermane

    'emporary tinnitus ermane;last deafness rebyacu

    J

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    NEBOSH International General Certifcate IGC 2 Elements 1-8 Control oWorkplace Hazars

    Noise Control

    So'rce

    Design

    Damping

    #solate Maintenance

    &at$

    Screens and barriers

    !nclosure

    Absorption

    Silencer

    $e &erson

    Distance

    'ime exposed

    #nformation and training

    .imitation on &ersonal Hearin( &rotection

    4ot )orn correctly

    4ot lifted correctly

    4ot properly maintained

    0ncomfortable or incon"enient to )ear

    4eeds constant management commitment

    May introduce secondary risks

    #/actors a%ectin( t$e c$oice o &ersonal Hearin(

    &rotection

    !ase of monitoring

    Compatibility )ith other !

    Hygiene Cost

    Kuality and performance

    Comfort

    !ase of use

    'raining re.uired

    Disposable or reusable

    #+"anta(es an 4isa"anta(es o &ersonal

    Hearin( &rotection

    Ear pl'(s Ear '%s

    Ad"antage Ad"antageCheap Comfort

    Disposable B hygienic !asy to monitor usage4o #nterference other ! &eusable

    Disad"antage Disad"antage

    0ncomfortable !xpensi"eDi$cult to monitor usage Hygiene #ssues

    'raining re.uired #nterferes )ith other !

    Han +rm )iration

    #Healt$ E%ects

    'ingling in the hands extremities

    4umbness and blanching of the 2ngers

    S)ollen painful +oints

    &eduction in manual dexterity &eduction in the sensation of touch

    #Control eas'res

    #Elimination

    #e'ce t$e 4e(ree o )iration

    Select lo) "ibration e.uipment

    Select ergonomically designed e.uipment

    Maintenance of e.uipment

    &educe grip and push force )ith )orke.uipment

    &educe the time )orkers exposed

    #ntroduce health sur"eillance

    3lo"e and heated pads

    #nformation and training on the nature ofrisks

    #aiation#Non- lonisin(

    ,pe

    #nfrared Heating and bra1ing

    Lasers Cutting, bar code reader

    Micro)a"es Food preparation, signal0ltra- "iolet %elding

    #Healt$ E%ects

    ;urns

    &eddening of the skin

    Cataracts

    Arc !ye

    'emporary sterility

    #Ionizin( raiation,pe 6se in in'str,

    Alpha Smoke detectors

    ;eta 'hickness testing3amma 4on- destructi"e testing-ray Medical4eutron ;y product nuclear 2ssion

    +c'te e%ects rom $i($

    ose

    C$ronic e%ects

    &eddening of the skin Cancers

    &adiation sickness,

    nausea, "omiting, diarrhea

    Sterility

    Hair loss Hereditary defectsDeath !/ects on unborn

    children

    Death

    #Control meas'res

    'ime

    Distance

    Shielding

    #Ot$ers

    !

    !n"ironment and personal monitoring

    Correct disposal of radiation materials

    3od hygiene practices

    'raining and super"ision

    Stress

    &$,sical E%ects

    Headaches #ncrease a

    5

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    Aching neck and shoulders #rritabilitySkin rashes Sudden mood changesrone to infections #nability to cope

    anic attacks &educes )ork outputanic attacks &educed )ork output

    &aised heart rate #ncreased use of alcohol ,etc#ncreased blood pressure oor sleep patternsHeart disease

    Stomach ulcers

    #Ca'se o stress

    Culture

    Demands

    Control

    &elationships

    Change

    &ole

    #ndi"idual

    !n"ironment

    Control eas're or Stress

    Selecting suitable employees

    'raining

    Clearly de2ned roles Clearly )ork ob+ecti"es

    Comfortable )orking en"ironment

    3ood line of communication

    &ealistic )ork schedules

    !mployee in"ol"ement

    3rie"ance procedure

    #mpartial in"estigation of stress

    Management support

    55