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# OAR Box 1168 Prepped by Ollie Stewart



### Document

Number: 

# 91 ) ll-C-20 Docket Number: 

# A-89-1 0

Printed 4/29/2008 11:23:19 AM Sheet 91 of 131P. 2

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# A-89-1 0

^ €0Sr< v r ° £1 r 0 UNITE D STATE S ENVIRONMENTA L PROTEC T KMI U I

Offic e o f Ai rQualit yPlannin g an d Standard s ^VlV^- / Researc h Triangl e Park , Nort h Carolin a 277 1 1 II-C-2 0

4 1 DPQlt" - Marc h 22 , 199 0 hV ' t V i 1 1 ii . • 

## « u j FE B 1*199 1 EP A AIR DOCKS : Dea rRe g Ne g Committe e Member : W e ar e faxin g 2 attachments . Th e firs t pag e i s a revise d se t o f table s tha t correct s a computationa l erro rw e foun d i n th e dua l mechanica l sea l numbers . Emissio n factor s fo rn o othe rcomponen t hav e changed . Th e subsequen t page s compris e th e secon d attachmen t an d contai n informatio n o n pum p sea l cost s tha t w e hav e obtaine d sinc e th e las t Re g Ne g meeting . Sincerely , Ric k Colye r Standard s Developmen t Branc h 2 Attachment s•j>— f P. 3
/. TTAC0. / EMISSION

FACTORMATRICE S SINGL E MECHANICA L SEAL PUMP S (KG/HR/SOURCE ) 15 % 10 % 5 % 1 % 500 0 ppm0.0418 5 0.027 9 100 0 pp m0.0301 5 0.020 1 50 0 pp m0.0247 5 0.016 5 0.0139 5 0.0027 9 0.0100 5 0.0020 1 0.0082 5 0.0016 5 03/22/9 0 DUAL MECHANICA L SEA L PUMP S (KG/HR/SOURCE ) 4 % 3 % 2 % 1 % 50 0 ppm0.00069 6 0.00052 2 0.00034 8 0.00017 4 25 0 ppm 0.00060 6 0.00045 4 0.00030 3 0.00015 1 10 0 pp m 0.00035 1 0.00026 3 0.00017 5 8.77E-0 5 PLAN T EMISSION S (KG/HR ) PLANT EMISSION S (kg/hr ) 50 0 ppm0.02018 4 0.01513 8 0.01009 2 0.00504 6 25 0 ppm0.01757 4 0.0131 8 0.00878 7 0.00439 3 10 0 pp m 0.01017 9 0.00763 4 0.005089 . 0.00254 5 Assume s 2 9 pumps/plan t Calculate d emission s assum e plant' s emission s ar e 25 % lowe r tha n emission s a t state d percentag e and lea k de f i h i t ion . 500 0 ppm 100 0 ppm 50 0 pp m 1.2136 5

0.8743 5 0.7177 5 0.809 1

0.582 9 0.478 5 0.4045 5

0.2914 5 0.2392 5 0.0809 1

0.0582 9 0.0478 5

GA S VALVE S (KG/HR/SOURCE ) 4 % 3 % 2 % 1 % 100 0 pp m0.00065 2 0.00050 3 0.00035 4 0.00020 5 50 0 ppm0.00056 1 0.00042 2 0.00028 4 0.00014 4 25 0 ppm0.00047 8 0.00036 4 0.0002 5 .0.00013 6 LIQUI D VALVE S (KG/HR/SOURCE ) 4 % 3 % 2 % 1 % 100 0 ppm

0.0016 7 0.0013 4 0.0009 9 0.0006 5 50 0 ppm0.0013 8 0.0011 2 0.00085 5 0.00059 7 25 0 ppm0.0011 7 0.0009 6 0.00075 8 0.00054 6 PLAN T EMISSION S (KG/HR ) PLANT EMISSION S (KG/HR ) 100 0 ppm

0.8750 8 0.7021 6 0.5187 6 0.340 6 50 0 ppm0.7231 2 0.5868 8 0.4480 2 0.31282 8 25 0 ppm0.6130 8 0.5030 4 0.39719 2 0.28610 4 Assume s 40 2 ga s valves/plan t Assume s 52 4 liqui d valves/plan t Calculate d emission s assum e plant' s emission s ar e 25 % lowe r tha n emission s a t state d percentag e an d lea k definition . 100 0 pp m 50 0 ppm 25 0 ppm 0.26210 4

0.22552 2 0.19215 6 0.20220 6

0.16964 4 0.14632 8 0.14230 8

0.11416 8 0.100 5 0.0824 1

0.05788 8 0.05467 2

100 0 pp m 50 0 ppm 25 0 pp m FLANGE S (KG/HR/SOURCE ) 4 % 3 % 2 % 1 % 0.5 % 0.00077 2 0.00060 2 0.00043 2 0.00026 2 0.00017 7 0.00068 5 0.00053 3 0.00038 2 0.00023 0 0.00015 4 0.00056 8 0.00044 5 0.00032 2 0.00019 9 0.00013 8 PLAN T EMISSION S (KG/HR ) 

## rf

••*/... ; -'- ,
100 0 ppm 50 0 pp m 25 0 pp m Assume s 240 0 flanges/plan t Calculate d emission s assum e plant' s emission s ar e 25 % lowe r tha n emission s a t state d percentag e an d lea k definition .

1.852 8 1.64 4 1.363 2 1.444 8

1.279 2 1.06 8 1.036 8

0.916 8 0.772 8 0.628 8

0.55 2 0.477 6 0.424 8

0.370 8 0.3 3P. 4 

# r ' 

# , MA R 2 0 '9 0 15=1 7 RfiDIfl NCOR P RT P N C P. 2 

### pt af flTTAC/i. 2-

MEMQRANDU M TO : Bo bAjax , EPA/SO B FROM : E dMoretti , Rad1an/RT P DATE : Marc h20 , 199 0 SUBJECT : Cost s o f Singl e andDoubl e Mechanica l Seal s fo r Pump s Th e Installe dcos t t o retrofi t a singl e mechanica l sea l wit ha doubl e mechanica l sea l 1 s estimate dt o b e $1,370 , Including Installatio ncost s o f $350 . Th e cos t fo r a new doubl e mechanica l sea l 1 s estimate dt o b e $75 0 whe nInstalle dInstea do f a new singl e mechanica l seal . A credi t o f $56 0 fo r a new singl e mechanica l sea l wa s subtracte dfro m th e doubl e sea l cos t o f $1,02 0 t o yiel da ne t doubl e sea l cos t o f $460 . Labo r t o Instal l th e ne w doubl e mechanica l sea l ina sho pare a wa s estimate da s $290 . Actua l cost s fo r doubl e mechanica l seal s wil l vary greatly , dependin g onth e pum pshaf t diameter , th e materia l o f constructio no f th e seal , th e pum poperatin g pressur e an

dtemperature , an

dth e physica l an

dchemica l propertie s o f th e materia l t o b e pumped . Auxiliar y equipment , suc ha s a coole r fo r contro l o f the temperatur e o f th e liqui duse dt o flus hth e sea l may b e required , a t a cos t o f approximatel y

$350 1 also , anIndividualize dpressurize dpo t system may be require dt o maintai npressur e onth e Uqui duse dt o flus heac hdoubl e seal , a t a cos t o f approximatel y $300 , according t o recen t vendo r . information . Cos t o f a closed-ven t system 1 s estimate dt o b e $1,780 . Se e th e enclosure s fo r th e source s o f th e abov e cos t Information . Additiona l cos t Informatio ni s expecte dfro m tw o othe r pum

po r sea l vendors . Update dfro

m NSP S BI O usin g BI S Produce r Pric e Index . i 

### Update dfro

m NSP S BI Dassumin g equivalen t percentag e chang e 1ncos t a s th e barrie r flui dsystem , fo r whic hupdate dInformatio nwa s obtained .P. 5

MA R 2 0 '9 0 15.. : 1 8 RADIA NCORP RTP N

C P. 3

TABLE . PUMP SEA

L COST S Ite m Cost(1s tquarte r1990) Singl e Mechanica l Sea l Doubl e Mechanica l Sea l Barrie rFlui d Syste m fo rOoubl e Mechanica l Seal s Closed-Ven t Syste m fo rDoubl e Mechanica l Seal s $56 0 $1,37 0 (retrofitted ) $75 0 (new ) $65 0 (Sea l Po t + Cooler ) $1,78 0 _ntuai33Sg_B__sS-----SS-HHU»HuiHU«ua»aiu_s9__«8«s)aa«a«s<8m_a s



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