7-2011 Benzene Awareness PPt

7/18/2019 7-2011 Benzene Awareness PPt

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North SlopeTraining Cooperative

North Slope Training Cooperativerevised 2011. All rights reserved.

Benzene Awareness

NSTC-19


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North Slope Training Cooperativerevised 2011. All rights reserved. Course Num er! NSTC"1#

Course $verview

2


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%

Name

Compan& and'or position

()perien*e related to wor+ing in areas where thereis the possi ilit& o, enzene e)posure.

lntrodu*tions


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-

(mergen*& ro*edures

/estrooms'Brea+s'Smo+ing

Sa,et& inute

Administration and

Sa,et&


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To provide emplo&ees with the +nowledge to re*ognizea enzene e)posure hazard and the appropriate *ontrol

measures in areas where there are materials that*ontain enzene.

oal


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4es*ri e the *hara*teristi*s o, enzene

4es*ri e the health e,,e*ts ,rom enzene e)posure

5denti,& potential lo*ations where enzene ma& e,ound

/e*ognize and des*ri e the *ontrol measures and( that will prote*t against enzene e)posure

4es*ri e emplo&er and emplo&ee responsi ilities,or prote*ting against the hazards o, enzenee)posure

$ 6e*tives


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Standards and Terms

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Benzene is regulated & $S9A under 2# C:/1#10.1028.

$perators on the North Slope have *ompan&standards whi*h meet or e)*eed the $S9Astandard.

Benzene Standards

29 CFR 1910.1028 (b )


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#

Benzene is a li;ue,ied or gaseous *hemi*al withthe ,ormula C 3 9 3 .

A regulated area is an& area where air orne*on*entrations o, enzene e)*eed permissi lee)posure limits < (=>.

An authorized person is an& person spe*i,i*all&authorized & the emplo&er whose duties re;uirethe person to enter a regulated area where

enzene ma& e present.

Benzene Terms

29 CFR 1910.10 28 (b )


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Employee exposure is the e)posure to air orneenzene whi*h would o**ur i, the emplo&ee were

not using respirator& prote*tive e;uipment.

Action level is an air orne *on*entration o,enzene o, 0. ppm *al*ulated as an 8 hr. time"

weighted average .

Site specific requirements ,or e)posure limits anda*tion levels ma& e more stringent at somelo*ations.

()posure Terms

29 CFR 1910.10 28 (b)


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?hat 5s Benzene@

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Simplest mem er o, aromati* h&dro*ar ons.

ole*ular stru*ture! 3 *ar on atoms and 3h&drogen atoms.

:ormula! C 3 9 3

9&dro*ar on mole*ule with alternating single anddou le onds.

Benzene ole*ule


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1%

Colorless to light &ellow when in the li;uid state has apleasant sweet odor

To)i* as a li;uid or gas not solu le in water $dor does not provide ade;uate warning o, its hazard

apor is heavier than air and ma& spread longdistan*es to some distant sour*e o, ignition

()tremel& ,lamma le ,lash point! 12 :.Solid elow -2 :.

/ea*ts vigorousl& with o)idizing materials

Benzene Chara*teristi*s

29 CFR 1910.10 28 , Appendix

A, I


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Crude oil

N =s

arious gas streams

4egreasing produ*ts

rodu*ed water

Automotive sour*es

Adhesive *oatings and paint

?here Benzene is

:ound on North Slope


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rodu*tion and trans,er operations emplo&ees

Camp maintenan*e and *ustodial sta,,

Tan+ and pipeline *leaners

(le*tri*ians plum ers and 9 AC te*hni*ians

?or+ers ?ho a&

Be at /is+


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9ealth (,,e*ts

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5nhalation

5ngestion

A sorption

5n6e*tion

9ow Benzene

(nters the Bod&

29 CFR 1910.10 28 , Appendix A, I


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4rowsiness

4izziness and heada*hes

S+in irritation and dermatitis

Nausea and a ,eeling o, into)i*ation

ertigo and delirium

Convulsions and loss o, *ons*iousness

4eath ma& o**ur at *on*entrations e;ual to orgreater than 10 000 ppm.

A*ute 9ealth (,,e*ts

29 CFR 1910.10 28 Appendix A , II


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Car*inogeni* a,,e*ts the lood"ma+ing tissues o,the od& to in*lude one marrow a normalities

anemia and other lood *ell a normalitiesCan *ause leu+emia multiple m&eloma andsu se;uent death in wor+ers who are e)posed to

enzene ,or e)tended periods o, time

Chroni* 9ealth (,,e*ts

29 CFR 1910.10 28 Appendix A , II


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9azard 4ete*tion andControl

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Sometimes enzene *an e dete*ted & itsodor ut it is not a relia le

indi*ator.easurements should e o tained & usingenzene dete*ting adges *har*oal tu es

and gas *hromatographs.

Benzene 4ete*tion

Benzene Gas e!e"!#$

Gas %T&be'e!e"!#$ i! *and

+& p

Gas %C ip'e!e"!#$


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ermissi le ()posure =imit < (=> is 1.0 ppm ,or an8 hour da& and 0.37 ,or a 12 hour da&

Short Term ()posure =imit is .0 ppm ,oran& 1 minute period during the da& with 30minutes etween e)posures and no more than -e)posures in an 8 hour da&.

The A*tion =evel is 0. ppm ,or an 8 hour da&.

Compan& standards ma& e more stringent thanthe $S9A standard < e.g. B Alas+a a*tion level is0.%>

$S9A ()posure =imits

29 CFR 1910.10 28 (b-")


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2%

ersonal en*losure

Control o, pro*ess *onditions

e*hani*al ventilation

/emote or automated operation

=ea+ dete*tion and repair s&stems

(ngineering Controls


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S4S

Signs and properl& la eled *ontainers

eriodi* monitoring and noti,i*ation o, emplo&eesa out e)posure levels

=imiting e)posure to the *hemi*al

:ollowing *ompan& rules and poli*ies

Training

Administrative Controls


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Signs shall e posted at the entran*e to regulated areas

4AN (/

B(NF(N(

CANC(/ 9AFA/4

:=A AB=( E N$ S $G5N

AHT9$/5F(4 (/S$NN(= $N=I/(S 5/AT$/ /(JH5/(4

Signs

29 CFR 1910.10 28 ( ) (1)

(i)


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Benzene *ontainers shall e properl&la eled

There is no re;uirement to la el pipes.

=a els

29 CFR 1910.10 28 ( ) (1) (ii)


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/espirator& rote*tion

Air puri,&ing hal, mas+ to 3.7 ppm

Air puri,&ing ,ull ,a*e mas+ to %% ppm

SCBA or supplied air w'es*ape pa*+ a ove %% ppm

(&e ' S+in rote*tion

Chemi*al sa,et& goggles

:a*e shield

Nitrile gloves ,or *rude oil K viton ,or N =s

Aprons prote*tive *lothing and ,ootwear

ersonal rote*tive

(;uipment


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Call ,or help.

5, e&es or s+in are e)posed immediatel& ,lush withlarge amounts o, water ,or 1 minutes.Clothing should e *hanged i, it e*omes enzenesaturated.

5, the vi*tim has inhaled enzene and is not

reathing a ;uali,ied person should give C /.5n all *ases get medi*al attention.

:irst Aid


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Complian*e rogram

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5, e)posures are over the (= the emplo&er mustesta lish and implement a written *omplian*e

program to in*lude! A s*hedule ,or development and implementation o,engineering *ontrols and wor+ pra*ti*es.

5nitial and periodi* monitoring.

(mplo&ee noti,i*ation o, monitoring results.

edi*al surveillan*e program.

5n,ormation and training a out enzene at the time o, theinitial wor+ assignment.

/espirator& prote*tion training.

(mplo&er

/esponsi ilities

29 CFR 1910.10 28 ( ) ((1) (ii)


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/ead and ,ollow pro*edures ,or the re*ognition and

*ontrol o, enzene.itigate re*ognized hazards.

Hse the proper ( when entering a regulated area.

/eport an& emergen*ies.

(mplo&ee

/esponsi ilities

29 CFR 1910.10 28 ( ) ((1) (ii)

7-2011 Benzene Awareness PPt

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