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Number: 

# 46 ) ll-B-5 Docket Number: 

# A-84-4 4

Printed 10/31/2008 8:05:40 AM Sheet 46 of 143P. 2

1 ^ ^ \ UNITE D STATE S ENVIRONMENTA LPROTECTIO N AGENC Y § ^SK ^

S Offic e o fAi rQualit yPlanning i ari d Standard s \ ^mlwm^g

Research Triangl e Park , Nort h Carolin a 2771 1 

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### ^ (pe g 19- ^

MEMORANDUM SUBJECT : Tri p Repor t- Murph yOi l Refinery , Meraux , Louisian a FROM : Nanc

yD . McLaughlin , Environmenta l Enginee r'?/iW} * M&& Standard s Documentatio n Section , ESED , IS B (MD-13 ) TO : Kennet h R . Durkee , Chie f

Standard s Documentatio n Section , ESED , IS B (MD-13 ) I . PURPOSE : Th e purpos e o fthi s visi twa s t o becom e familia rwit h th e operatio n amin e treater s an d t o discus s Murph yOil' s experience s wit h th e refiner y ga s ne wsourc e performanc e standar d (NSPS)
. I I . TIM E AN

D PLACE : 2:45-5:0 0 p.m . Tuesday , Novembe r27 , 198 4 Murph yOi l USA , Incorporate d Meraux , Louisian a III . ATTENDEES : U.S
. Environmenta l Protectio n Agency Nanc yD . McLaughli n Environmenta l Enginee r Charle s B . Sedman Environmenta l Enginee r Debbi e K . Well s Environmenta l Protectio n Specialis t Murph yOi l Allde n R . Frederickso n Manager , Crude , Product , an d Environmenta l Davi d C
. Pett ySupervisor , Environmenta l Contro l Mar k Lacou rProces s Enginee r Mar k Noltin g Chie fProces s Enginee r R . Le e Vai l Proces s Enginee r 

# A-S4-44 

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Contro lP. 3

IV . DISCUSSION : Schedul e o fActivitie s Charli e Sedman , Debbi e Wells , an d I arrive d a tth e refiner yabou t 2:4 5 p.m . Th e plan tvisi tha d bee n schedule d fo r11:0 0 a.m . bu tou rplan e flight s wer e delayed . W e firs tmetwit h Murph ypersonne l i n thei roffice s fo rabou ttw o hour s t o discus s th e routin e operatio n o fthei ramin e treater , th e reliabilit yan d performanc e o fth e amin e treater , an d Murphy' s experience s wit h th e refiner yfue l ga s NSPS
. However , becaus e o fou rlat e arrival , w e di d no thav e tim e t o discus s thes e area s as thoroughl ya s w e ha d planne d (especiall yth e operatio n o fth e amin e treater)
. Followin g ou rdiscussion , w e observe d severa l area s o fth e refinery : th e amin e treatin g syste m (strippe r an d absorbers) , Clau s sulfu rplant , tai l ga s treater , an d correspondin g contro l room . W e als o surveye d th e wastewate rtreatmen tare a fo rDebbi e Well s t o becom e familia rwit h thi s par to fa refinery
. Durin g thi s par to fth e refiner y visit , th e discussio n emphasize d contro l o fai remission s fro m wast e wate r treatmen tuni tprocesse s an d th e NSP S tha ti s currentl ybein g develope d fo r thi s ai remissio n source . W e lef tth e refiner yshortl yafte r5:0 0 p.m . Genera l Refiner yInformatio n Murph yOil' s refiner yi n Meraux , Louisiana , i s a n older , medium-sized , fully-integrate d refinery
. It s nomina l capacit yi s 95,00 0 barrel s o fcrud e pe rday(80,00 0 barrels/da yi n # 1 crud e uni tan d 15,00 0 barrels/da yi n #2 crud e unit)
. Currently , Murph yi s usin g 65,00 0 barrels/day
. Abou t15,00 0 barrels/da yar e hig h sulfu rconten tcrud e fro m th e Alaska n Nort h Slope
. Thi s hig h sulfu rcrud e increase s th e sulfu rconten ti n al l th e downstrea m products . Th e sulfu rrecover yuni troutinel yhandle s 1 2 lon g ton s o fsulfu r pe rdaybu ti s designe d t o handl e u p t o 3 8 lon g ton s pe rday . Th e refiner ywas initiall yconstructe d i n an d has ha d a serie s o f expansion s sinc e then . I n lat e 1970's , th e refiner ybuil tthei rsecon d fluidize d catalyti ccrackin g uni t(# 2 FCCU)
. Associate d wit h thi s uni twa s a n isostrippe rreboiler , whic h wa s subjec tt o th e NSP S fo rrefiner yfue l gas . Thus , a n amin e treate runi tan d associate d sulfu rrecover yplan twer e als o adde d t o clea n th e H2 S fro m th e fue l gas . On e o fth e reason s fo rthi s refiner y expansio n wa

s t o mak

e i tcapabl e o fhandlin g th e hig h sulfu rconten tAlaska n crude . Amin e Treatin g Uni t Th e amin e treate rsyste m was buil ti n 197 5 bu tdidn' tstar toperatio n unti l 1978 . Th e engineerin g contracto rwas Erhart . Th e amin e treatin g syste m include s on e strippe ran d fou rabsorber s (lo wpressur e absorber , hig h pressur e abosorber , #2 FCC

U absorber , an d liqui d propan e gas absorber)
. Th e nomina lP. 4

desig n size.o f th e amin e treatin g syste m i s 25,27 3 MMscf/day . Generally , Murphypersonne l fel t th e syste mwa s operatin g a s predicte d b yth e vendor . Murphyprovide d u s wit ha schemati c o f th e amin e treatin g system , alon g wit hamin e flo wrates , fue l ga s flo wrates , inle t and outle t H2 S levels , and a sulfu r materia l balanc e fo r a recent , typica l operatin g da y(Novembe r 20 , 1984 ) The yals o provide d a detaile d breakdow n b yabsorbe r o f amin e and ga s flo w rate s fo r bot hdesig n level s an d actua l operatin g level s o n th e sampl e day . (Copie s ar e attached. ) Treate d fue l ga s fro mth e amin e treate r i s route d t o a Clau s plan t and SCO T tai l ga s uni t rate d a t 3 8 LT/ D capacity . I t currentl y operate s a t 1 2 LT/ D output . Th e aci d gase s i n th e fue l ga s a t th e inle t t o th e amin e absorber s ar e primaril yH£ S an d C0£ . Murphydoe s no t routinel ytes t fo r th e leve l o f H2 S i n th e inle t ga s bu t provide d u s wit hsampl e value s fo r thei r sampl e day . Th e value s fo r th e lo wpressure , hig hpressure , and FCC Uabsorber s wer e 2100 , 16800 , and 276 0 grain s pe r 10 0 scf , respectively . Th e wid e rang e o f value s i s becaus e th e fue l ga s come s fro mdifferen t proces s units . Ther e ar e trace s o f CO S i n th e inle t ga s bu t n o mercaptans . Th e inle t ga s t o th e hig hpressur e amin e absorbe r i s a t 10 0 psig . Th e ga s t o th e lo wpressur e absorbe r i s a t 7 0 psig . Th e differen t pressure s ar e du e t o th e pressure s o f th e fue l gase s fro mth e variou s proces s units . Th e lo wpressur e ga s i s compresse d slightl yfro mabou t 6 0 psi g t o 7 0 psig . Th e highe r th e pressur e o f th e inle t gas , th e mor e easil yth e amin e absorb s th e aci d gases . However , i t wa s mor e economica l t o instal l tw o differen t absorbers , on e a t eac hpressur e level , tha n t o boos t th e pressur e o f th e lo w pressur e ga s t o suc ha hig hlevel . Murphydoe s no t fee l tha t th e differenc e i n pressur e betwee n th e tw o absorber s (3 0 psig ) ha s a significan t effec t o n th e wa yth e amin e reacts . Becaus e o f th e lac k o f time , w e wer e no t abl e t o discus s i n detai l th e routin e operatio n o f th e amin e treatin g uni t and th e operatin g parameters tha t ar e monitore d t o ensur e prope r performance . W e discusse d thi s subjec t are a briefly , bu t fo r details , Murphyprovide d u s wit ha cop yo f thei r operatin g manua l (attached) . Briefly , Murphymonitor s th e outle t H2 S concentratio n dail yt o ensur e prope r performanc e o f th e treate r and t o demonstrat e on-goin g compliance . Th e ric hand lea n amine s ar e sample d dail y and analyze d fo r strengt h(percen t amine) , percen t H2S , and salts . Th e flo w rat e and temperature o f th e amin e ar e crucia l operatin g parameters . Inle t pressur e i s importan t bu t sinc e tha t i s a t a prese t level , i t doe s no t affec t th e dail yoperation . Th e amin e treatin g proces s parameters tha t ar e monitore d i n th e sulfu r plan t are a contro l roo mar e liste d i n Tabl e 1 . Th e bigges t operatin g proble mtha t Murphyha s experience d i s foaming , du e t o sal t build-u p i n th e amine . Acharcoa l filter.i s use d whe n a foamin g proble marises . Th e foamin g cause s th e syste mt o los e amine . Murphyha s t o replac e tw o t o fou r drum s o f amin e pe r mont hou t o f a baselin e operatin g inventor yo f 15,00 0 gallons .P. 5

Th e of f gase s fro mth e amin e treater t o th e sulfu r recover yplan t ar e routinel ymaintaine d aroun d 9 0 percen t H2 S and 1 0 percen t CO2 . Th e amin e tha t i s use d i s diethanolamin e (DEA) . Thi s amin e ha s bee n use d sinc e th e amin e uni t starte d operation . Murphyi s considerin g switchin g t o methyl-diethanolamin e (MDEA) , o r t o Unio n Carbide' s brandnam e MDE Acalle d Ucarsol , especiall yi f Murphyswitche s t o usin g mor e sou r crude . MDE Ai s a tertiar yamin e and woul d hav e th e advantage s tha t i t react s mor e quickl yt o H2 S tha n t o CO 2 and therefor e woul d pic k up mor e H2 S a t th e sam e circulatio n rate . Thus , les s steamwoul d b e neede d t o stri p th e amin e fo r th e sam e amoun t o f control . MDE Aha s th e disadvantag e tha t i t i s mor e expensiv e tha n DEA . Unio n Carbid e claim s tha t thei r Ucarso l wit hit s specia l addition s ha s les s foamin g and corrosio n problem s tha n generi c MDEA . However , Ucarso l i s mor e expensive . Befor e 1979 , Murphydi d no t d o anyamin e treatin g t o reduc e th e H2 S conten t o f th e fue l gas . Th e amin e treatin g uni t wa s installe d onl ybecaus e o f th e NSP S regulation . However , Murphyha s no wdecrease d th e H2 S leve l t o al l o f it s combustio n sources , no t jus t th e on e ne wreboiler . Murphycoul d no t estimat e th e cos t saving s du e t o th e decreas e o f corrosio n becaus e o f th e lowe r H2 S content . The ydi d commen t tha t the yha d previousl yha d significan t build-u p o f sulfu r insid e th e combustio n devices . Wit ha lowe r H2 S content , th e heate r outle t temperature s ca n b e lowere d fro mabou t 450 ° t o 300 ° F withou t significan t amount s o f sulfuri c aci d condensin g and attackin g heate r surfaces . Thus , ther e i s an indirec t maintenanc e and energ ysaving s du e t o th e NSPS . Combustio n Source s Th e Murphyrefiner yi n Merau xha s 1 9 combustio n sources : 1 2 proces s heaters , 4 boilers , 2 flares , and 1 incinerator . Th e isostrippe r reboile r i s th e onl ycombustio n sourc e tha t i s subjec t t o th e NSPS . Fue l Ga s Syste m Al l th e fue l ga s produce d i n th e refiner yexcep t th e off-ga s fro mth e platforme r i s no wtreate d prio r t o combustion . Th e treate d fue l ga s stream s fro mth e thre e amin e treatin g absorber s ar e combine d i n a commo n heade r befor e bein g route d t o th e combustio n devices . In addition , th e platforme r (reformer ) off-gase s whic har e fre e o f sulfu r compound s ar e the n blende d i n wit hth e treate d fue l gas . Th e fue l ga s flo wrate s fo r a recen t typica l dayar e pro vide d i n th e memorandu mMurphyprepare d fo r u s on th e fue l ga s analysi s and sulfu r materia l balance . Natura l Ga s Blendin g Natura l ga s i s blende d wit hth e treate d fue l ga s i n abou t a 1 t o 2 rati o b yvolume . Th e natura l ga s i s use d strictl ya s a fue l supplement ; th e blendin g i s no t don e t o mee t th e standard . Th e amoun t o f natura l ga s tha t i s use dP. 6

varie s dependin g o n th e amoun t o f additiona l makeu p hea t tha t i s needed , th e amoun t o f othe r fuel s bein g use d (e.g. , fue l oil) , th e seaso n o f th e year , and th e mod e o f plan t operation . Emissio n Performanc e Test s An initia l performanc e tes t t o determin e complianc e wit hth e NSP S wa s conducte d fo r Murphyb yAi r Resources , Inc . Th e averag e H2 S concentratio n fo r seve n Metho d 1 1 run s wa s 27.7 0 mg/dsc m (0.01 2 gr/dscf) . Thi s valu e i s wel l withi n th e allowabl e concentratio n o f 23 0 mg/dsc f (0.01 0 gr/dscf) . Sample s fo r th e performanc e tes t wer e take n immediatel yafte r th e amin e treate r befor e th e fue l ga s strea mha d bee n blende d wit hnatura l gas . Emissio n Monitorin g and Exces s Emission s Fo r NSP S recordkeepin g and complianc e purposes , Murphytest s th e hydroge n sulfid e (H2S ) leve l i n th e treate d fue l ga s daily , usin g th e Tutweile r tes t procedure . Aga s sampl e i s extracte d i n a glas s bomband analyze d usin g we t chemistr yprocedures . Th e sample s ar e take n b yth e uni t operato r and analyze d i n th e fiel d a t a semi-enclose d table . Murphyprefer s th e Tutweile r procedur e ove r th e Draege r tub e metho d becaus e th e Tutweile r procedur e ca n handl e highe r concentrations , and becaus e th e Draege r tube s hav e ha d problem s wit hinterference s du e t o N0 X , especiall yof f th e flui d crackin g unit . Murphyha s no t ha d anyseriou s difficultie s i n routinel ymeetin g th e NSPS . The yhav e ha d mino r exceedances abov e th e standar d bu t di d no t hav e a recor d o f thei r samplin g result s o r exces s emissio n report s readil y available . Th e sample s ar e take n befor e blendin g wit hnatura l gas . Murphyconduct s th e monitorin g solel yfo r NSP S compliance purposes . The ywoul d probabl yno t tak e thes e sample s t o ensur e tha t th e amin e treate r wa s performin g properly . Instead , the yfee l th e othe r operatin g parameter s tha t ar e monitore d and th e amirf e sampl e result s ar e sufficien t t o operat e th e uni t properly . Murphyofficial s coul d no t assig n a separat e cos t fo r th e monitoring , recordkeeping , an d reportin g tha t the yd o fo r thi s NSPS . Th e Tutweile r samplin g and analysi s take s th e are a forema n o r operato r a t mos t on e hou r pe r sample . Othe r Regulations Affectin g Combustio n Source s Th e Stat e o f Louisian a ha s adopte d th e federa l NSP S level s fo r H2 S conten t i n refiner yfue l ga s fo r ne wsources ; ther e i s n o stat e regulatio n fo r existin g sources . However , th e Stat e doe s hav e additiona l regulation s affect
in g th e sulfu r dioxid e (SO2 ) emission s fro mrefiner ycombustio n sources : fue l oi l mus t b e les s tha n 0. 7 percen t b yweigh t sulfur ; an d effluen t fro mheate r stack s mus t b e les s tha n 200 0 ppm SO2 . Thes e additiona l Stat e regulation s d o no t conflic t wit hcomplyin g wit hth e NSP S fo r fue l gas .P. 7

Comment s o r Problem s wit hth e NSP S Murphypersonne l ha d n o specifi c comment s o r problem s concernin g th e refiner yfue l ga s NSPS . Cost s o f Complyin g wit hth e NSP S Murphypersonne l di d no t hav e a breakdow n o f th e cost s the yincu r t o compl ywit hthi s NSPS . Th e majo r componen t i s th e capita l and operatin g cost s o f th e amin e treate r syste mand th e associate d sulfu r recover yunit . Th e estimate d cos t o f monitorin g wa s a t mos t 1 hour/sampl e eac hdayo f a uni t operator' s time . Th e cos t o f recordkeepin g and reportin g fo r jus t th e refiner y fue l ga s NSP S wa s considere d minima l (abou t on e hou r pe r week) , althoug hi t i s difficul t t o separat e ou t th e administrativ e cos t o f on e NSP S fro mal l th e othe r environmenta l reportin g tha t i s required . Th e mai nadministrativ e cost s ar e incurre d upfron t durin g th e initia l plannin g o f th e refiner yexpansion . Murphywa s abl e t o provide , however , an estimat e o f th e labo r cos t t o routinel yoperat e th e entir e amin e treatin g and sulfu r syste m(includin g th e sou r wate r separator) :

1 enginee r 1 operato r 1 operato r assistan t 1 are a forema n 1 shif t forema n (full-time ) (full-time ) (full-time ) (one-hal f time ) (one-hal f tim e x3 shifts/day ) V . Summar y Th e Murphyoi l refiner yi s representativ e o f a medium-sized , fully
integrate d refiner ywhichha s recentl yupgrade d it s crud e processin g and ha s ha d t o add a ne wamin e treate r t o anexistin g refinery . Th e plan t visi t wa s \/ery informativ e fo r us , an d Murphypersonne l wer e quit e helpful . Murphy provide d u s wit htw o handouts : th e operatin g manua l fo r th e amin e treatin g unit ; and a sulfu r and fue l ga s materia l balanc e fo r a typica l day . Murphy personne l indicate d tha t thi s informatio nand th e topic s discusse d wer e no t considere d proprietary . 4 Attachment s c c Charli e Sedma n Debbi e Well sP. 8

TABL E 1 AMIN E TREATIN GPROCES S PARAMETER S THA T AR E MONITORE D

AUTOMATICALL YINTH E CONTRO L ROO M MURPH YOI L USA , INC . MERAUX , LOUISIANA Highpressur e absorbe r Lo wpressur e absorbe r Strippe r reboile r recover y Amin e strippe r reboile r Strippe r overhea d

Sou r ga s t o sulphu r plan t Amin e flas hdrum Sou r wate r strippe r Treate d ga s produc t Lea n amin e surg e drum Pressur e (psig ) Amin e circulatio n rat e (gpm ) Pressur e (psig ) Amin e circulatio n rat e (gpm ) Stea musag e (lbs/hr ) Leve l {%) Pressur e (psig ) Leve l {%) Sulphu r (% ) Flar e statu s Flo wrat e (Mscf/hr ) Pressur e (psig ) Leve l {%) Of fga s flo w(? ) Strippe rpressur e (psig ) Flowrat e (Mscf/hr ) Leve l {%)P. 9

LIS T O F ATTACHMENT S Tri pRepor t fo r Murph y Oil , Meraux , La .
1 . Busines s Card s 2 . Operatin gManua l fo r Amin e Ga s Treatin gUni t (2/10/76 ) 3 . Amin e Uni t Schemati c Amin e andga s flow

rate s - desig nvs . actua l H2 S level s Sulfu r materia l balanc e 4 . Emissio nTes t Repor t b y Ai r Resources , Inc . (8/31/81 )P.1 0

MURPH Y 0* 1 COVCOBATIO B

ALLDE N R . FREDERICKSO N

MANAGE R CRUDE . PRODUC T& ENVIRONMEN TCONTRO L MERAU XREFINER Y P . o . BO Xto o MERAUX . LOUISIAN A7007 3 (304 ) 271.414 1

MURPH Y O H COKPOBATIOf

t
MAR KLACOU R

PROCES S ENOINEE R

TECHNICA L SERVICE S MERAU XREFINER Y P . O . BO X 10 0 MERAUX . LOUISIAN A7007 8 (304 ) 271-414 1

MURPH Y OH . CO«ftO*ATIO N DAVI D C . PETT Y

SUPERVISO R ENVIRONMENTA L CONTRO L MERAU XREFINER Y P . O . BO X10 0 MERAUX . LOUISIAN A7007 3 1304 1 271-414 1

MURPH Y o n uoaroa-MiO M
R . LE E VAI L PROCES S ENOINEE R
P . O . BO X10 0

MERAUX . LOUISIAN A7007 S (S04 ) 271.414 1P.1 1 

# ) 'MURPH Y OI L CORPORATIO N FROM : 

### Mar k LaCou r TO : Mar k Ncltin g INTER-OFFIC E CORRESPONDENC E LOC. : Merau x. ,. • DATE : 11/21/8 4 LOC. : Merau x CARBON S TO : DST , JTC , 

### Are a Foreme n Allde n SUBJECT : 

### Fue l Ga s Analysi s t o Heater s

Belo wi s a lis t o f tutweilde r result s from11/20/8 4 o f fue l ga s t o variou s heaters . Thi s dat a wa s take n wit ha n averag e Sulphu r productio n o f 2 3 tons/daya t a crud e charg e rat e o f 65,00 0 B/D ; o f whic han estimate d 1:3,00 0 B/ D o f Alaska n Nort hSlop e i s bein g injected . Are a I I Combine d Ga s t o Fue l Drum DH T Heate r Fue l Ga s Ros e Heate r Fue l Ga s VacuumHeate r Fue l Ga s Nebrask a Fue l Ga s (Boiler ) AlkyReboile r Fue l Ga s Are a I I Platforme r Fue l Dru m Grains/IOOSC F

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### MURPH Y OI L COMPAN

Y MERAUX REFINERY

EMISSIONTES T PROGRA M O NAUGUS T 5 , 198 1

PROJEC T NO . 2 8 6-0 2

AUGUS T 31 , 198 1

Prepare d By : Ai r Resources , Inc . 60 0 Nort hFirs t Bank Driv e Palatine , I L 6006 7 (312 ) 359-781 0P.1 8

I RltOUICIt ) 

### MURPHY OI L COMPAN

Y MERAUX REFINERY 1. 0 INTRODUCTIO

NAN D "EXECUTIV

E SUMMARY Ai r Resources , Inc . (ARI ) wa s retaine d b yMurph yOi l Compan

yt o conduc t an emissio n tes t programa t thei r Merau xRefiner ylocate d i n Meraux , Louisiana . Testing wa s performe d on Augus t 5 , 198 1 fo r particulate s o n th e exhaus t stac k fro mthe No . 2 FC C Uni t Electro
stati c Precipitato r (ESP ) an d fo r Hydroge n Sulfid e o n the fue l ga s lin e fro

mthe Amin e Uni t leading t o the Isostrippe r Reboile r o n the Alkylatio n Unit . Th e purpos e o f the sampling wa s t o determin e com plianc e wit h4 0 CF R Par t 60 , Subpar t J , Standard o f Performanc e fo r Petroleu

mRefineries . f Personne l conductin g the testing o n the ES P stac k include d Mr . L . Goldfine , Genera l Manager , an d Messrs . T . Wallac e an d D . Klarup , Environmenta l Scientists , fo r ARI' s Environmenta l Science s Divisio n (EVS) . Testin g o n the fue l ga s lin e t o th e Isostrippe r Reboile r wa s conducte d b

yMr . J . Tuinenga , Supervisor-LaboratoryService s fo r ARI' s EVS . Al l fiel d sample s fro mbot hlocation s wer e place d i n Mr . Tuinenga' s custodyfo r subsequen t laboratoryanalysi s b yhim . Sampling on th e No . 2 FC C Uni t Precipitato r stac k wa s conducte d fo r particulate s usin g a standar d metho d 5 sampling system . Sampling wa s performe d i n th e 1 0 foo t I D stac k a t the sampling platform i n fou r port s locate d 8 6 fee t abov e grade . Aschemati c o f the precipi
tato r stac k and th e locatio n o f the sampl e port s i s give n i n Figur e 1-1 . Th e averag e particulat e emissio n rat e during the complianc e test s wa s 11.1 5 lb/h r o r 0.5 4 lb/100 0 l bo f cok e burnof f base d o n a n averag e cok e burnof f rat e o f 2044 8 lb/hr (Se e Sectio n 3. 0 - Result s fo r calculatio n o f cok e bur%of f rates) . Thi s valu e i s wel l withi n the allowabl e particulat e emissio n rat e o f 20.4 5 lb/hr o r 1. 0 lb/100 0 lbo f cok e burnoff . Asummaryo f the No . 2 FC C Uni t tes t result s i s give n i n Tabl e 1-1 . Hydroge n Sulfid e sampling wa s performe d on the fue l ga s lin e fro m the Amin e Uni t t o the Isostrippe r Reboile r a t the Alkylatio n Unit . Aschemati c o f th e fue l ga s lin e an d sampling locatio n i s give n i n Figur e 1-2 . Th e averag e H2 S concentratio n fo r the seve n run s wa s 27.7 0 mg/dsc m

(0.01 2 gr/dscf) . Thi s valu e i s wel l withi n the allow
abl e concentratio n o f 23 0 mg/dsc m(0.1 0 gr/dscf) . Asummaryo f thes e result s i n give n i n Tabl e 1-2 .

1- 1- &*&im&<i»-> i jaiwatfafrtfaafittg^ ^ 

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## FUELGAS

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# ATABL E 1- 2 FUE L GA S LINE T O ISOSTRIPPE R REBOILE R HYDROGE NSULFID E RESULT S



### Ru n

1 2 3 4 5 6 7 Sampl e

Volum e dsc m 0.03 7 0.03 7 0.03 3 0.03 3 0.03 2 0.03 6 0.036 ^ mg/dsc m

19.3 6 33.0 8 31.2 1 26.5 4 28.3 1 28.1 5 27.2 3 Concentratio n

gr/dsc f 0.00 8 0.01 4 0.01 4 0.01 2 0.01 2 0.01 2 0.01 2 

### pp m

15.8 8 27*1 3 25.5 9 21.7 6 23.2 1 23.0 8 22.3 3

Averag e 27.7 0 0.01 2 22.7 1P.2 1

I RllOUl 

# 1

Base d o n th e siz e o f th e aliquo t o f the ' digeste d sample , th e tota l sulfat e i n th e sampl e wa s calculated . Thi s valu e alon g wit hth e valu e allowe d i n Ste p 1 , wer e the n subtracte d fro mth e tota l weigh t gai n previousl ydetermine d i n th e standar d particulat e matte r analysis . This . "Sulfat e Free " valu e wa s the n use d t o calculat e a "sulfat e free " emissio n rat e fo r eac htest . 2. 3 Fue l Ga s Lin e T o Isostrippe r Reboile r Samplin g an d Analytica l Procedure s 2.3. 1 Hydroge n Sulfid e Samplin g Trai n Th e hydroge n sulfid e samplin g trai n use d durin g th e testin g i s show n schematicall yi n Figur e 2-2 . Th e samplin g an d analytica l method s follo wMetho d 1 1 o f th e 4 0 CF R Par t 60 , Appendi xA . Th e component s ar e describe d below : 1 . Samplin g Valv e - Needl e valve , stainles s steel . 2 . Sampl e Lin e - 1/ 4 inc hTeflo n tubing . 3 . Impinge r Trai n - Fiv e glas s min i impinger s connecte d i n serie s wit hbal l join t fitting s an d glas s connectors . Al l fiv e impinger s hav e standar d tapere d tip s wit h. interna l diamete r o f 1mmwhic hi s positione d 4 t o 6m m fro mth e botto mo f th e impinge r bottle . x e x . , -ri- r ^|*x ?

• ~ * ' 7 •.;.*

; -L 4 . Dryin g Tub e - Polyethylen e packe d wit h6 t o 1 6 mes h silic a gell . : ' 5 . Rotamete r - T o monito r th e ga s flo wrat e durin g the ^ samplin g procedure . . -,7'7§.fs:T ; '•'-£-.?'* ' 6 . Dr yGa s Mete r - Leaj c free , equippe d wit ha o thermom«t« r t o measur e actua l temperatur e o f ga s withi n 3 C . A Hoffma n Pinc hclam p i s use d t o sea l of f samplin g trai ndurin g th a require d lea k checks . 7 . Pum p - Diaphrag mpump , use d durin g th e ai r purg e a t th e conclusio n o f eac htes t run . 

### 2.3. 2 Sampling Procedure s Metho d 1 1 i s use d t o determin e th e concentrationo f hydrogen sulfid e i n a fue l ga s stream . No attemp t i s made to measur e volum e flowrate s o f th e fue l ga s and thu s n o flowrat e i n pound s pe r hou r i s calculate d fo r H,S . Sinc e i t measure s th e concen tratio n o f a ga s i n a ga s stream , i t i s no t necessaryt o sampl e th e ga s strea

misokinetically .

2- 6 

## 3fc .P.2 2 

### f\!""" C1 

### '

Stl/CA tf£Lruae

WALV&

PUMP (FOR A/~PUP<$£} 

### FIGURE 2-2 H 2 

### S SAMPLING

TRAINP.2 3 

# f Af V f\J'ou*cis 

### I n the sampl e clean-up/analysi s area , th e impinge r trai n wa s assemble d a s follows : / : 

### 1 5 milliliter s (ml ) o f 3 % H-O^ , wer e place d i n th e firs t impinger . Th e secon d impinge r wa s assemble d dry . 1 5 m l o f CadmiumSulfat e absorbin g solutio n wer e place d i n th e third , fourt han

d fift himpingers . Al l o f the connecting glasswar e wa s the n assembled . Th e charcoa l filte r wa s attache d t o th e inle t o f th e firs t impinge r t o protec t th e content s durin g transpor t t o th e sampl e site . Afres hportio n (les s tha n 30g. ) o f silic a ge l wa s place d i n th e drying tub e an d th e outle t tub e seale d wit ha pinc hclamp . Th e impinge r trai n wa s the n transporte d t o th e sampl e sit e wher e th e exi t en

d o f th e dryin g tub e wa s connecte d t o th e inle t o f th e rotamete r an

d th e charcoa l tub e wa s replace d wit hth e leak chec k apparatus . Th e sampling trai n wa s the n leak checke d a s follows : 1 . 2 . Th e exi t o f th e dryga s mete r wa s closed , clam p afte r th e dryin g tub e wa s removed . Th e pinc h Using the rubbe r squeez e bulb , the sampling trai n wa s pressurize d t o 2 5 cm(1 0 inches ) o f water , an d the n th e pinc hclam

p o n th e leak chec k apparatu s wa s closed . 3 . Th e pressur e o f th e systemwa s monitored , a dro p i n pressur e o f mor e tha n 1 c m(1/4" ) o f wate r i s unacceptabl e an

d woul d b e semi-dried . 4 . Upo n passin g th e leak check , th e outle t o f th e dryga s mete r wa s opene d t o reliev e th e pressure . Prio r t o sampling , th e sampl e lin e wa s purge d byopenin g th e sampling valv e an

d allowing fue l ga s t o flowthr u th e line . Th e valv e i s the n close d an d th e sampl e line i s connecte d t o th e inle t o f th e firs t impinger ^ Sampling wa s accomplishe d a s follows :

Th e initia l dr yga s mete r volume an d temperatur e wer e recorded . Th e sampling valv e wa s opene d an d a flo wrat e o f 1 lite r pe r minut e ( 1 1pm ) wa s establishe d an d maintaine d t o + 10% . Everytw o minutes , th e dryga s mete r volume an d temperatur e wer e recorded . A t th e en

d o f 1 0 minutes , o r whe n a t leas t 0.3 5 dsc f o f fue l ga s wa s sampled , the sampling valv e wa s closed . Th e fina l dryga s mete r volume an d temperatur e wer e the n recorded .



## s r 2- 7P.2 4 

# f4 ? ) 

### Immediatel yfollowing the sampling , the , sampl e lin e wa s remove d fro mth e firs t impinge r an d replace d wit hth e leak chec k apparatus . Aleak chec k a s previousl ydescribe d wa s performed . Upo n passing the leak check , th e leak chec k apparatu s wa s replace d b

yth e charcoa l tube , an d th e diaphrag

mpum p wa s connecte d t o th e dryga s mete r outlet . Th e sampl e trai n wa s the n purge d wit hcharcoa l filtere d ambien t ai r fo r a t leas t 1 5 minute s a t 1 1pm . Th e ai r purg e wa s conducte d o n th e sampl e cleanup/analysi s are a wher e th e ai r pum p coul d b e used withou t creating a

n explosio n hazard . Apinc hclam

p wa s the n place d o n th e outle t o f th e drying tube , an d th e inle t t o th e rotomete r wa s disconnected . The sampling trai n wa s the n transporte d t o th e sampl e cleanup/analysi s area . 2.3. 3 Sampl e Recover yan d Analysi s Th e recoveryan

d analysi s o f th e content s o f th e sampl e trai n wer e don e immediatel yfollowing the sampling . A t th e sampl e recovery/analysi s area. , th e sampl e wa s handle d a s follows : 1 . The content s o f th e firs t an d secon d impinge r wer e discarded ^ 2 . Th e content s o f th e third , fourt han d fift himpinger s wer e carefull yrinse d int o a 50 0 m l iodin e flas k usin g distille d water . Dow-Cornin g Anti-Foam B wa s use d i n th e Cadmiu mSulfat e Absorbin g Solutio n s o th e alternat e aci d extractio n o f the impinge r wa s no t necessary . 3 . 50. 0 m l o f 0.0 1 NIodin e wa s adde d t o 1 0 m l o f 3 MHC 1 i n a n Erlenmeye r Flask . Thi s solutio n wa s the n quantitat
ivel yrinse d int o th e iodin e flas k containing th e sample . Th e iodin e flas k wa s stoppe d immediately , shake n fo r 1 0 seconds , the n place d i n the dar k fo r 3 0 minutes . 4 . Th e solutio n wa s quickl ytitrate d using a 0.0 1 Nsolutio n o f sodiu

mthiosulfat e wit hstarc ha s a n indicato r o f th e endpoint . 5 . Blank s o f th e absorbing solutio n wer e als o analyze d by placin g 4 5 m l o f th e absorbing solutio n i n a n iodin e flask , whic hwa s the n carrie d thr u th e entir e analysi s procedur e (step s 3 an d 4) .

2- 8P.2 5 

# V4r
MURPH YOI LCOMPAN

Y MERAU XREFINERY; .


### QR A» ' Q R E 

### (dO O - (C0 2+ 

### 0 2 

### ))/79 ) Thi s valu e wa s the n use d t o calculat e the cok e burnof f rat e pe r 4 0 CF R Par t 60 , Subpar t J , Sectio n 60.106(a)(4) . Asummaryo f the cok e burnof f rate s fo r the thre e test s i s give n i n Tabl e 3- 6 an d a copyo f th e proces s dat a i s give n i n Appendi x4 . 3. 2 Fue l Ga s Lin e t o the Isostrippe r Reboile r Result s Th e result s o f th e seve n Hydroge n Sulfid e (H2S ) run s conducte d o n 8/5/8 1 ar e give n i n Table s 3- 7 t o 3-13 . Th e result s indicat e tha t the averag e hydroge n sulfid e concentratio n measure d during the tes t in g wa s 27.7 0 mg/dsc m(0.01 2 gr/dscf) . Thi s compare s t o an allow
abl e concentratio n o f 23 0 mg/dsc m (0.1 0 gr/dscf) . Al l fiel d dat a sheet s ar e give n i n Appendi x3 . Al l calibratio n dat a i s give n i n Appendi x2 .

\ . 

### 3- 2

### TABL E 3- 7 METHO D 1 1 - FIEL D SAMPLIN GANp.LABORATOR Y DAT A DETERMINATIO NO F HYDROGE NSULFID E I NFUE L GA S MURPHY OI L COMPAN

Y RU N1 Volum e a t Dr yGa s Mete r Actua l Condition s DryGa s Mete r Temperatur e 1.3 5 Ft " 55 4


### Standardizatio no f Thiosulfat eo r

Phenylarsin eSolution s Weigh t o f K 2 

### C r 2 

### 0 ?

### (W

) 2.007 0 g 2.007 0 m 

### i jn l 

### Volum eo f

Solutio n(

V ) 42.3 5 m l42.3 5 mlml s Standardizatio no f Iodin eSolutio n Volum eo f

Iodin e(V. )

l 

### 25. 0 m l 

### 25. 0 m l Volum e o f Thio/Pheny( V ) 25.8 0 m 

### i 25.8 0 m l m l m l Blank Titratio n Volum e o f Thio/Pheny 50.7 5 m 

### i 50.7 5 m l m l Sampl e Titratio n Volum e o f Thio/Pheny 46.3 5 46.3 5 m l m l m lTABL E3- 7 (continued ) METHO D 1 1 CALCULATION S DETERMINATIO NOFHYDROGE NSULFID EI NFUE LGAS I hlitouicii

MURPH YOI LCOMPAN

Y RU N1 Ga s Sampl eVolum ea t Standar dCondition s



### P . mst d = 17.64°R/inH g V Y T B 

### ~ mmm

(30.13 ) = 17.6 4 ( 1.35 M 1.0 0 ) ( 55 4 ) 1.29 5 ft " Normalit yo f Standar d Thiosulfat e Solutio n (=0. 1 N )

N= 2.03 9 W/ V s s (2.O39)(2.0q70 ) ( 42.3 5 ) 0.096 6 N Normalit yo f Standar d Thiosulfat e Solutio n (=0.0 1 N ) N=0.1x N=.0096 6 Normalit yo f Standar d Phenylarsin e Solutio n N= 0.203 9 W/ V a ' s (0.2039 H ) 

## = I 

## 5 = N a Normalit

y of Standar dIodin e Solutio n N 

## i = N 

## t V v 

## i

• ( 0.0096 6 ) ( 25. 8 ) " ( 25. 0 ) ' 0.0099 7 N ; Concentratio no f H S C u= 17.0 4 x 10 3 [(V . N . - V N) sampl e- (V . N.- VN )Blank ] HS it- i tt— t ^it~ ltt^ t ( V ^ ) (2.83 2 x 1 0 1 I /Ft" 3 ) mst d

= 6.0169xl0 2[( ( 50. 0 ) ( .00997)- ( 46.3 5 ) (0.00966) ) " . ( (50.0 ) f0.00997j ; U n70)10.00966) 3 ( 1.29 5 > 

### 19.3 6 mg/dsc m

### Mi. TABL E3- 8 P.2 8



# n 1

IJ-^llOUICII

I 

### METHO D 1 1 - FIEL D SAMPLIN GAN P LABORATORY DAT A DETERMINATIO NO F HYDROGE NSULFID E I NFUE L GA S MURPHY OI L COMPAN

Y RU N2 Volum e a t Dr yGa s Mete r Actua l Condition s 1.31 8 Ft " DryGa s Mete r Temperatur e 53 5 R Standardizatio n o f Thiosulfat e o r Phenylarsin e Solution s Weigh t o f K 2 

### Cr 2 

### 0

_(W ) 2.007 0 g 2.007 0 m 

### i Volum e o f Solutio n ( V ) 42.3 5 m l 

### 42.3 5 m l 

### Standardizatio n o f Iodin e Solutio n jn l m l

Volum eo f

Iodin e(V . ) 25.0 0 m l25.0 0 m i m l

l 

### Volum e o f Thio/Pheny( V ) 25.8 0 m l 2 5.8 0 m l m l
Blan k Titratio n Volum e o f Thio/Pheny 50.7 5 m l 

### 50.7 5 m l 

### m l Sampl e Titratio n Volum e o f Thio/Pheny 43.3 0 m l 

### 43.3 0 m l 

### m lP.2 9



### TABL E 3- 8 (continued ) METHO D 1 1 CALCULATION S DETERMINATIONO F HYDROGE NSULFID E I NFUE L GA S MURPHY OI L COMPAN

Y RU N2 Ga s Sampl e Volum e a t Standar d Condition s O -^B
- 

### V fc 

### , = 17.6 4 R/inH g V Y T mst d ' ^ mmm ( 30.13 ) = 17.6 4 (1.318 ) ( 1.0 0 ) ( 535 ) = 1-30 9 

# f4r~

f t " 

### Normalit yo f Standar d Thiosulfat e Solutio n (=0. 1 N )

N= 2.03 9 W/ V

t

. s s - (2.O39)(2.007 0 ) ( 42.3 5 ) 0.096 6 N Normalit yo f Standar d Thiosulfat e Solutio n (=0.0 1 N ) N=0.1xN=.0096 6 Normalit yo f Standar d Phenylarsin e Solutio n

N= 0.203 9 W/ V a ' s (0.2039) ( 

# T T N a Normalit yo f Standar d Iodin e Solutio n

N i = N t V V i (0.0096 6 ) (25.80) 1 ( 25.0 0 ) 0.0099 7 N 

### Concentratio n o f H ? 

### S C „ . _= 17.0 4 x10 3 [(V . N . H 2 S it-i
- V N)sampl e- ( V N-V . N)Blank ] —11— t

c ! i t

~i—1 1 - t ( V ^.,)(2.83 2 x10 U/Ft 3 ) mst d

= 6.0169xl0 2[( ( 50. 0 )(0.00997)- ( 43.3 0 ) (0.00966) ) - ( 1.30 9 ) .( ( 50.0 ) (0.00997)
- ( 50.75 ) (0.00966) ]
33.0 8 mg/dsc m 

# V *P.3 0



### TABL E 3- 9 METHO D 1 1 - FIEL D SAMPLIN GAN D LABORATORY DAT

A DETERMINATIO NO F HYDROGE NSULFID E I NFUE L GA S MURPH Y OI L COMPAN

Y RU N3 Volum e a t Dr yGa s Mete r Actua l Condition s 1.18 3 Ft " DryGa s Mete r Temperatur e 54 0
Standardizatio n o f Thiosulfat e o r Phenylarsin e Solution s 2.007 0 g 2.007 0 m 

### _ jn

l Weigh t o f K 2 

### Cr 2 

### 0 ? 

### (W ) Volum e o f Solutio n ( V ) 42.3 5 m l 

### 42.3 5 m l m l s 

### Standardizatio nof . Iodin eSolutio n Volum eo f

Iodin e(V. )

l 

### 25.0 0 m l 25.0 0 m l Volum e o f Thio/Pheny( V ) 25.8 0 m l 2 5.8 0 m l m l m l
Blan k Titratio n Volum e o f Thio/Pheny 50.7 5 m l 

### 50.7 5 . m l 

### m l Sampl e Titratio n Volum e o f Thio/Pheny 44.5 0 44.5 0 m l m l m lP.3 1 TABL E3- 9 (continued ) METHO D 1 1 CALCULATION S DETERMINATIO NOFHYDROGE NSULFID EI NFUELGAS MURPH YOI LCOMPAN

Y 

### RU N3 i Ga s Sampl eVolum ea t Standar dCondition s 1 P . 

# i~4T



# 1 I /-riiooici i 1

mst d 

### = 17.64°R/inH g V Y T 6
- 

### ' ^ mmm

( 30.15 ) = 17.6 4 (1.183 M1.0 0 ) ( 54 0 ) = 1.16 4 Normalit yo f Standar d Thiosulfat e Solutio n (=0. 1 N ) ft '

N= 2.03 9 W/ V : 

### $ s s ••-• 

### (2.O39)(2.007 0 ) = ( 42.3 5 ) = 0.096 6 N Normalit yo f Standar d Thiosulfat e Solutio n (=0.0 1 N ) N=0.1xN=.0096 6 Normalit yo f Standar d Phenylarsin e Solutio n N= 0.203 9 W/ V a s (0.2039 H ) 

## = I 

## 5 = N a Normalit yo f Standar d Iodin e Solutio n N . = NV

/v . w i 1N t t / v i 

### (0.0096 6 ) ( 25.80) 1 ( 2 5.0 0 ) = 0.0099 7 N .

- l 

### Concentratio n o f H 2 

### S C „ . _ = 17.0 4 x10 3 

### [(V . ,N . - V N) sampl e - ( V N- V N)Blank ] H 2 

### - S lt- l t t 1~ * it~ i tt-t ^ i ( V t J(2.83 2 x10 U/Ft 3 ) ' mst d

= 6.0169xl0 2[( ( 50. 0 )(0.00997)- ( 44.5 0 ) (0.00966) ) - ((50.0 ) (0.00997)
-

. ( 50.75 ) (0.00966) ]

(1.16 4 ) 31.2 1 _mg/dsc m 

# I U

### TABL E 3-1 0 METHO D 1 1 - FIEL D SAMPLIN GAND . LABORATOR Y DAT A DETERMINATIONO F HYDROGE NSULFID E INFUE L GA S MURPHY OI L COMPAN

Y RU N4 Volum e a t Dr yGa s Mete r Actua l Condition s i.16 8 Ft " Dr yGa s Mete r Temperatur e 54 0
Standardizatio n o f Thiosulfat e o r Phenylarsin e Solution s Weigh t o f K C r O (W ) 2.007 0 g 2.007 0 m

### _ Volum e o f Solutio n ( V ) 42.3 5 m l 42.3 5 m l
Standardizatio n o f Iodin e Solutio n -m l m l

Volum e o f Iodin e (V . ) l 

### 25. 0 m l 25. 0 m l Volum e o f Thio/Pheny( V ) 25.8 0 m l 25.8 0 m l m l m l Blank Titratio n Volum e o f Thio/Pheny 50.7 0 m l 50.7 0 m 

### _ m l Sampl e Titratio n Volume , o f Thio/Pheny 45.4 5 45.4 5 m l m l m l

### TABL E 3-1 0 (continued ) METHO D 1 1 CALCULATION S DETERMINATIONO F HYDROGE NSULFID E I NFUE L GA S 

# -TA. I /VllOUtC M 

# ]

MURPH YOI LCOMPAN

Y RU N4 Ga s Sampl eVolum ea t Standar dCondition s

P . mst d = 17.64°R/inH g V YT & ~ 3 mmm

( 30.13 ) = 17.6 4 ( 1.168) ( LO O ) ( 54 0 ) 1.15 0 f t " Normalit y o f

Standar dThiosulfat eSolutio n(=0. 1 N ) N= 2.03 9 W/

V 7 ? s s (2.O39)(2.0070 ) ( 42.3 5 ) 0.096 6 N Normalit y o f

Standar dThiosulfat eSolutio n(=0.0 1 N ) N=0.1x N=.0096 6 J 

### t s Normalit yo f Standar d Phenylarsin e Solutio n

N= 0.203 9 W/ V a s (0.2039 M) 

# T T N a Normalit yo f Standar d Iodin e Solutio n

N 

## i = N 

## t V v 

## i (0.0096 6 ) ( 25.8 0 ) ^ ( 25.0 0 ) 0.0099 7 N 

### Concentratio n o f H_ S : „ , c 

### = 17.0 4 x10 3 

### [(V . N . - V N) sampl e - ( V N-V . N)Blank ] H S it- i tt— t c 

### it~ i tt~ t ' ( V _) ( 2.83 2 x1 0 1 I /Ft 3 

### ) mst d

= 6.0169xl0 2 

### [( ( 50. 0 )(0.00997)- ( 45.4 5 ) (0.00966) ) -.((50.0 ) (0.00997)
- ( 50.70 ) (0.00966) ] ( 1.15 0 ) 26.5 4 mg/dsc m

### TABL E 3-1 1 METHO D 1 1 - FIEL D SAMPLIN GAN D LABORATORY DAT A DETERMINATIONO F HYDROGE NSULFID E I NFUE L GA S MURPH Y OI L COMPAN

Y RU N5 Volum e a t DryGa s Mete r Actua l Condition s 1.13 7 Ft " Dr yGa s Mete r Temperatur e 54 0


### Standardizatio no f Thiosulfat eo r

Phenylarsin eSolution s Weigh t o f K 2 

### Cr 2 

### 0

_(W

) 2.007 0 g 2.007 0 m l 

### Volum eo f

Solutio n(

V ) 42.3 5 ml42.3 5 m 

### l
Standardizatio n o f Iodin e Solutio n -m l m l 

# I

1 Volum e o f Iodin e (V. ) l 

### 25.0 0 m 

### _25.0 0 m l



### Blan k Titratio n Volum eo f

Thio/Phen y Sampl eTitratio n Volum eo f

Thio/Phen y 50.7 0

45.2 5 m l

m l 45.2 5 

### Volum eo f

Thio/Phen y (V ) 25.8 0 ml25.8 0 m l

50.7 0 m l

m l _m l

m l

m l

m lTABL E3-1 1 (continued ) METHO D 1 1 CALCULATION S P.3 5

IhliioutciiI


### DETERMINATIONO F HYDROGE NSULFID E INFUE L GA S MURPH Y OI L COMPAN

Y RU N5 i Ga s Sampl eVolum ea t Standar dCondition s o ! -^B
- V t . = 17.6 4 R/inH g V YT mst d3 mmm ( 30.13 ) = 17.6 4 (1-137 ) (1.0 0 ) ( 54 0 > 1.11 9 f t " 

### Normalit yo f Standar d Thiosulfat e Solutio n (=0. 1 N )

N= 2.03 9 W/ V

> s s Y (2.039)(?.nn 7 

### n ) = I 42.3 5 ) 0.096 6 N Normalit yo f Standar d Thiosulfat e Solutio n (=0.0 1 N ) N=0.1x N=.0096 6 Normalit yo f Standar d Phenylarsin e Solutio n

N= 0.203 9 W/ V a ' s (0.2039 H )

= ( ) 

### N a Normalit y o f

Standar dIodin eSolutio n N . = NV /V . w i w t t / v i (0.0096 6 ) ( 25.80 % ( 25.0 0 ) 0.0099 7 N a Concentratio no f

H 2 S C „ ._=17.0 4 x10 3 [(V . N . - V N) sample'
- ( V N-V . N)Blank ] H 2 S it- i tt— t cit-i—tt~ t ( V «.)(2.83 2 x1 0 1 I /Ft 3 ) mst d 

# 1 I = 6.0169xl0 ZC( ( 50. 0 )(o.0099^" ( 45.2 5 )0.00966) ) -.((50.0 ) (0.00997
- ( 50.70 ) (0.00966) ] ( 1.11 9 ) 28.3 1 mg/dsc m

&L.

### TABL E 3-1 2 METHO D 1 1 - FIEL D SAMPLINGAN p .'LABORATOR

Y DAT A DETERMINATIONO F HYDROGE NSULFID E I NFUE L GA S MURPHY OI L COMPAN

Y RU N6 Volum e a t Dr yGa s Mete r Actua l Condition s 1-29 0 Ft 

### DryGa s Mete r Temperatur e 54 0
Standardizatio n o f Thiosulfat e o r Phenylarsin e Solution s 2.007 0 g 

### 2.007 0 m l 

### -m l Weigh t o f K 2 

### Cr 2 

### 0 ? 

### (W ) Volum e o f Solutio n ( V ) 42.3 5 m l 

### 42.3 5 m l m l 

### s Standardizatio n o f Iodin e Solutio n Volum e o f Iodin e (V. ) l 

### 25.0 0 m l 25.0 0 m l Volum e o f Thio/Phen y( v) 25.8 0 m l 

### 25.8 0 m l m l m l Blank Titratio n Volum e o f Thio/Phen y 50.7 0 m l 

### 50.7 0 m l m l Sampl e Titratio n Volum e o f Thio/Phen y 44.5 5 m l

### 44.5 5 m l m l



# I V

### TABL E 3-1 2 (continued ) METHO D 1 1 CALCULATION S 

# f



# A- ]

DETERMINATIO NO F HYDROGE NSULFID E I NFUE L GA S 

### MURPHY OI L COMPAN

Y RU N6 Ga s Sampl e Volum e a t Standar d Condition s P . mst d = 17.64°R/inH g V Y T mm B m ( 30.13 ) = 17.6 4 (1.290 ) ( 1.0 0 ) ( 54 0 

### ) 1.27 0 ft " Normalit yo f Standar d Thiosulfat e Solutio n (=0. 1 N )

N= 2.03 9 W/ V

* s s Y (2.O39)(2.0Q7 0 ) = ( 42.3 5 ) 0.096 6 N 

### Normalit yo f Standar d Thiosulfat e Solutio n (=0.0 1 N ) N=0.1x N=.0096 6 J 

### t s Normalit yo f Standar d Phenylarsin e Solutio n

N= 0.203 9 W/ V a s (0.2039 H )
= ( 5 = N a Normalit yo f Standar d Iodin e Solutio n

N 

## i - N 

## t V v 

## i -(0.00966 ) ( 25.80 k ( 25.0 0 ) - 0.0099 7 N . Concentratio no f

H- S 'H . = 17.0 4 x10 3 [(V.,N . - V . . N , )sampl e- ( V N- V N)Blank ] S lt - i tt— t * it~i—tt~t j ! ( V .,)(2.83 2 x1 0 1 I /Ft 3 ) mst d

= 6.0169xl0 2[( ( 50. 0 ) (p . 00997 ) - ( 44.5 5 ) (0.00966) ) - ((50.0 ) (0.00997 ) ( 1.27 0 ) 

# S ; ( 50.70 ) (0.00966) ]
28.1 5 mg/dsc mTABL E3-1 3 If\J>ovtcu I 

### METHO D 1 1 - FIEL D SAMPLINGAN D LABORATORY DAT

A DETERMINATIO NO F HYDROGE NSULFID E INFUE L GA S MURPHY OI L COMPAN

Y RU N. 7 Volum e a t DryGa s Mete r Actua l Condition s 1.29 0 Ft " Dr yGa s Mete r Temperatur e 54 0 R Standardizatio n o f Thiosulfat e o r Phenylarsin e Solution s 2.007 0 2.007 0 jn l 

### Weigh t o f K C r 0 ? 

### (W ) Volum e o f Solutio n ( V ) 42.3 5 m l 

### 42.3 5 m l 

### s -ml m l Standardizatio n o f Iodin e Solutio n Volum e o f Iodin e (V. ) l 

### Volum e o f Thio/Pheny( V ) 25.0 0 m l 

### 25.0 0 m l 

### 25.8 0 m l 

### 25.8 0 m l 

### _m l m l
Blank Titratio n Volum e o f Thio/Pheny 150.7 0 m l50.7 0 m l 

### m l Sampl e Titratio n Volum e o f Thio/Pheny 44.7 5 . 44.7 5 , m l m l m l

### TABL E 3-1 3 (continued ) METHO D 1 1 CALCULATION S DETERMINATIONO F HYDROGE NSULFID E INFUE L GA S 

# -TA.

MURPH YOI LCOMPAN

Y RU N7 Ga s Sampl eVolum ea t Standar dCondition s V ^ „ = 17.6 4 R/inH g V YT mst d3 mmm (30.1 3 ) = 17.6 4 (1.290)(1.0 0 ) ( 5 4 0) 1.27 0 

### Normalit yo f Standar d Thiosulfat e Solutio n (=0. 1 N ) ft " 

# J

N= 2.03 9 W/ V • s s (2.O39M2.007 0 )
= ( 42.3 5 ) 0.096 6 N Normalit yo f Standar d Thiosulfat e Solutio n (=0.0 1 N ) N=0.1x N=.0096 6 Normalit yo f Standar d Phenylarsin e Solutio n

N= 0.2039 . W/ V a x

* s (0.2039 M 

# T T Na Normalit yo f Standar d Iodin e Solutio n

N 

## i = N 

## t V v 

## i (0.00966 ) ( 25.80 ) ( 25.0 0 ) 0.0099 7



### - N 

### i Concentratio n o f H_S : „ c 

### =17.0 4 x10 J 

### [(V . N . - V N)sampl e - ( V

N-V . N)Blank ] H S it- i tt— t ^ ^ it~i—tt-t ' (V.. ) (2.83 2 x10 U/Ft 3 

### ) mst d 

# j i = 6.0169xlO Z[((50. 0 )(0.00997)- ( 44.7 5 ) (0.00966) ) -.((50.0 ) (0,00997)
- ( 50.70 ) (0.00966) ] 

### (1.27 0 ) 27.2 3 mg/dsc m