z'
<br /> CPC basics does when it is used for the first ti e.If the CPC can-
<br /> The types of CPC range from basic work clothes not meet this criterion,it is considered disposable.Thus,
<br /> (aprons,jackets,pants, boots,gloves,hoods)to total performance,not cost,determines whether CPC is reus-
<br /> encapsulating chemical-protective ensembles,with a wide able.All CPC is vulnerable to chemical attack,environ-
<br /> variety of options in between(Figure 1).The most basic mental conditions,and Iphysical abuse.The true useable
<br /> characteristic of CPC is the type of resistance it provides life of CPC is difficult to predict,s in many situations it is
<br /> —gas/vapor resistance or.splash/particulate resistance. simply better to err on the conservative side and replace the
<br /> Gas/vapor-resistant clothing is generally configured to CPC before any evidence of impending failure appears.
<br /> provide head-to-toe coverage,e.g.,the so-called"moon Materials and quality of construction also influence the
<br /> R suits"that have special seams and zippers to prevent chem- performance of CPC as a barrier to chemicals.Materials
<br /> icals from leaking into them.These suits include a face used for protective garments inelud natural rubber,neo-
<br /> shield as an integral part of the ensemble,and are generally prene,nitrile,polyethylene;chlorinated polyethylene,poly-
<br /> used when the results of skin contact could be irreversible vinyl chloride(PVC),PVC-coated materials,polyurethane,
<br /> and fatal to the user(e.g.,response to a chemical-release butyl polymers,treated woven fabrics,and several others,
<br /> emergency or to an act of terrorism involving chemical These materials can be supported on cotton,nylon,polyester,
<br /> weapons). and other substrates.The most appropriate clothing mate-
<br /> Splash/particulate-protective clothing provides a lesser rial will depend on the chemicals p sent,the temperature
<br /> degree of protection and is used when the results of skin of the chemical and the work environment,the task to be
<br /> contact are not as severe. For example,this type of clothing accomplished,and the total time the!CPC may be exposed
<br /> is worn by employees performing routine work tasks or to the chemical.Ideally,the chosen material should resist
<br /> responding to emergencies involving chemicals that would, permeation,degradation,and penetration. Most manufactur-
<br /> ' in either case,result in limited exposure or consequences to ers'literature provides charts indicating the resistance that
<br /> the skin. various clothing materials have topermeation,subsequent
<br /> CPC can be either reusable or disposable.Reusable breakthrough,or degradation by certain chemicals.How-
<br /> CPC provides the same protection for the second use as it ever,no single material can protectagainst all chemicals
<br /> Employer/Department:
<br /> Job Title:
<br /> i
<br /> Location(s)of Job Duties:
<br /> -.x S N'.. J � ry� •::;� ::vS F.a ���SY-s: .�,�.,. '�'�}'1 6sr14Y�'k'j{� % ':i. i
<br /> 1.Chemical 9,Compression/ a.Head g,Arm(s) A. Hard Hat 4 I,Shoes/Boots
<br /> 2.Skin/Eyes Crush
<br /> b.Face h. Hand(s)/ B.Chemical Goggles (list type)
<br /> 3.Inhalation 10.Particulate/Dust c.Eye(s) Fingers(s) C.Safety Glasses J.Respirator
<br /> 4.Light/Radiation 11.Thermal Burns d.Ear(s) i•Leg(s) D.Face Shield (list type)
<br /> 5.Temperature 12.Slip/Fall/ Feet/Toe s E.Ear Plugs K.High-Visibility
<br /> p Surfaces e.Respiratory1� ( ) 9 Y
<br /> Extremes System k.Entire Body F.Ear Muffs Vest
<br /> 6.Impact/Falling 13.Fall Protection f.Trunk/Torso i,Other: L.Fall Protection
<br /> Objects 14.Vehicular Traffic G.Body Harness M.Other:
<br /> 7.Penetration 15.Noise H.Gloves(list typ ) N.Other:
<br /> Hazard 16.Electric Shock
<br /> 8.Cuts/Abrasions 17,Other:
<br /> Author:
<br /> Signature:
<br /> Date:
<br /> ♦Figure 2.A job hazard analysis documents the relative risks associated with performing specific work tasks where protec' e clothing is required.
<br /> CEP September 2013 www.aiche.org/cep 27
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