HSE-LS-04 PPE Handout.pdf

8/9/2019 HSE-LS-04 PPE Handout.pdf

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HSE/LS-04: PersonalProtective Equipment (PPE) A part of 30Hrs Lab Safety Training

HSE DepartmentThe Petroleum Institute


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HSE/LS-04: Personal Protective Equipment (PPE)

HSE/LS-04-PPE Handouts Page 2

Slide 1The Petroleum Institute

30-hr Lab Safety Training

HSE/LS-04: Personal Protective Equipment

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Slide 2

Understand importance of PPE

Know how to select and use PPE

Learning ObjectiveAttendees will be able to:

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Slide 3Personal Protective Equipment PPE)

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Slide 4 Effect of Precedence/Hierarchy on Risk Reduction Design and Engineering reduces severity (S) and/or probability (P)

Safety Devices reduces S and/or P Passive devices (engineered systems: ex. relief valves, airbags, interlocks) Active devices (not as effective as passive devices: ex. guards, shields. PPE could

be considered under this category)

Warning Devices reduces P

Procedures and Training reduces P

Personal Protective Equipment (PPE) reduces S

Insurance risk transfer Reduces S

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Slide 5

LabCoat

The need for PPE is dependent upon the type of operations and the nature and quantityof the materials in use, and must be assessed on a case by case basis.

Workers who rely on PPE must understand the functioning, proper use, and limitationsof the PPE used.

Personal Protective equipment

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Slide 6 Types of Eye Protection

Glass eye shield

Plastic /Polycarbonate eyeshield

Shielded safetyglasses

Goggles

Full face shields

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Slide 7Glass

Glass lenses provide good scratchresistance

They can withstand chemicalexposure

They can accommodate a largenumber of prescriptions

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Slide 8Plastic and polycarbonate

Light weight

Protect against welding splatter

Less likely to fog up

Not very scratch resistant

Will not accommodateprescriptions

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Slide 12 Face shields Vs gogglesFace shields are used where you havea very high chance of exposure to anairborne substance

A face shield is not enoughto protect your eyes byitself; It should be wornwith approved safetyglasses

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Slide 13 ANSI Z-87 or EN 166 All glasses must meet the minimum standards set forth by the

American National Standards Institute (ANSI)

Approved lenses are marked by the manufacturer

Z87 / EN 166 will be on all other major components

Markings on the Frame

a) Standard marking ex. "EN166 or Z 87.1 b) code number or series of numbers to represent

the correct application of goggles and faceshields (regular vision spectacles do not carrya symbol)

c) a letter to represent its resistance to high-speed particles

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Slide 14 ___________________________________

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Slide 15 Example: EN166-34 FSymbol Meaning Examples of University Application

N on e B AS IC US E Used when protecting against low-level hazard (e.g.harmful/irritant substances) and general mechanicalhazards. With correct filters, protects against radiationhazards such as UV, IR and solar radiation.

3 Protects against liquid droplets and/or splashes.Equivalent to former BS 2092 C.

Used for laboratory work with corrosive and toxic liquids.Usually has indirect ventilation.

4 Protects against large dust part icles i .e . >5Equivalent to former BS 2092 D.

Used for general work in workshops. Usually has indirect orno ventilation.

5 Protects against toxic and corrosive gases, vapors,sprays, smoke anddusts


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Slide 18 When Should GlovesBe Worn

when handling hazardous materials, chemicals of unknown toxicity, corrosive materials, rough or s harp-edged objects, very hot or very cold materials

When handling chemicals in a laboratory, disposable latex, vinyl or nitrileexamination gloves are usually appropriate for mo st circumstances.

chemicals with high acute toxicity, working with corrosives in high concentrations, handling chemicals for extended periods of time or immersing all or part of

a hand into a chemical, the appropriate glove material should be selected, based on

chemical compatibility.

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Slide 19 Selecting the Appropriate Glove Material

When selecting the appropriate glove, the following characteristics should be

considered:

degradation rating breakthrough time permeation rate

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Slide 20Degradation is the change in one or more of the physical properties of a

glove caused by contact with a chemical.

hardening, stiffening, swelling, shrinking or cracking of the glove. When looking at a chemical compatibility chart, degradation is usually

reported as E (excellent), G (good), F (fair), P (poor), NR (not

recommended) or NT (not tested).

Breakthrough time is the elapsed time between the initial contact of the

test chemical on the surface of the glove and the analytical detection of the

chemical on the inside of the glove.

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Slide 21 Permeation rate Test chemical passes through the glove material once breakthrough has

occurred and equilibrium is reached.

Permeation involves absorption of the chemical on the surface of the glove,

diffusion through the glove, and desorption of the chemical on the inside of the

glove.

Permeation rate is usually reported as E (excellent), G (good), F (fair), P (poor)

or NR (not recommended).

If chemical breakthrough does not occur, then permeation rate is not measured

and is reported ND (none detected).

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Slide 22 Choosing Glove MaterialChemical CompatibilityGlove Material: NITRILE

C h al le ng e C h em ic a l D e gr a da ti on B r ea kt hr o ug h Tim e P er me a ti on R at e

Isopropanol E >480 min. E

Glove Material ApplicationsButyl A syntheticrubbermaterial that offers the highest permeationresistance togas and water

vapors. Especially suitedfor use with esters and ketones.Neoprene A syntheticrubbermaterial that provides excellent tensile strengthand heat resistance.

Neoprene is compatible withsome acids and caustics. It has moderate abrasionresistance.

Nitrile A syntheticrubbermaterialthat offers chemicalandabrasionresistance-a very goodgeneral-duty glove. Nitrile alsoprovides protectionfrom oils, greases, petroleum productsand someacids and caustics.

PVC(polyvinylchloride)

A syntheticthermoplasticpolymer that provides excellent resistance to mostacids, fatsand petroleum hydrocarbons . Goodabrasionresistance.

PVA(polyvinylalcohol)

A water-soluble syntheticmaterialthat is highly impermeable togases. Excellent chemicalresistance toaromatic andchlorinatedsolvents. This glovecannotbe used in water orwater-based solutions.

Viton A fluoroelastomermaterialthat provides exceptionalchemicalresistance to chlorinatedand aromaticsolvents . Vitonis very flexible,but has minimalresistance to cuts andabrasions.

SilverShield/4H A lightweight,flexible laminatedmaterialthat resists permeationfrom awide range of toxicand hazardous chemicals . It offers the highest levelof overallchemicalresistance,but has virtually nocut resistance.

Some examples

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Slide 23 Case StudyName Year University Reason

Karen Wetterhahn 1997 Dartmouth College, Dimethylmercury dribbled onto hergloved hand during a routinetransfer .Ten months later died ofmercury poisoninghttp://en.wikipedia.org/wiki/Karen

_Wetterhahn

Karen Wetterhahn (October 16, 1948 June 8, 1997) was a well -known professor ofchemistry at Dartmouth College , New Hampshire, who specialized in toxic metalexposure. She made national headlines when mercury poisoning claimed her life atthe age of 48 due to accidental exposure to the organic mercury compounddimethylmercury (Hg(CH3)2).

Wetterhahn, a specialist in toxic metals, was accidentally poisoned in her lab by a few drops of the toxic, colorlesscompound, which penetrated her protective glove; Dimethylmercury is a synthetic compound used almost exclusively as areference standard in a particular type of specialized chemical analysis. Wetterhahn was investigating the toxic propertiesof another highly toxic heavy metal, cadmium, and was using dimethylmercuryas a point of reference.The accidental spill occurred on August 14, 1996 but symptoms of her mercury poisoning were not detected until sixmonths later, at which time the poisoning was irreversible. Wetterhahnsuddenly became very ill in January of 1997 andwas hospitalized; she then went into a coma which lasted until she died in June.

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Slide 24 Where to Find Compatibility Information

Fisher Scientific -http://www.fishersci.com/ecomm/servlet/cmstatic?storeId=10652&ddkey=http:productsdetail

Lab Safety Supply - http://www.labsafety.com/

Best Gloves - http://www.showa-europe.com/en/m/415-laboratory-pharma.php

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Slide 25

http://www.youtube.com/watch?v=cr7roogzM8c

Video Lab Safety

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Slide 26

Presentation by:TeamHSE

TheP etroleumInstitute

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Documents

HSE-LS-04 PPE Handout.pdf