WPC  i&TA &VtJImqǷ0Šxl*/}zL^E|߁\mNMkYcۑ ӷvxb4-G)vZ%=ӤK2:Î͂l7'Kó6rN!; 0;d`89:yzρaOQ̖b·Oz0u_ٹ3/ ʻ x/S4k}t~;l.?h}[l1PApSp^|wB_l)ڹ7H@X͐]]aLェGx)xBoJ@4,P*x-Ix KQMO;ζjn3k{%շmG\)J:C4v ],QGiXyH񣌴OP&3-o`W#!UN %1 0(7w_4cwN^  mfafafafaf a f# a% 9 0e d 0e*  f B HP LASERJET IIISI,,,,,,0(hH  Z 6Times New Roman RegularX($yQ&3|xkc&cUFTABLE ATABLE BPdTABLE DTABLE CPdTABLE E TABLE FA, B,Level 1Level 2Level 3Level 4Level 54#-2Quick A.  .0 1, 2, 3,Level 1Level 2Level 3Level 4Level 54#.2Quick 1.  .0   \\R3' Letter\ d !  _8]XXdd8     '!XX/HowFacilitiesWereSelectedfor  _Speciated_ԀMercuryEmissionsTesting#X]X! '~#  <     UsingaTableofRandomNumbers,isthetitleofashortchapterinMylesHollanderandFrank_Proschan_sbook TheStatisticalExorcist:DispellingStatisticsAnxiety (pp.8993).  < Thecontentsofthischapterexplainwhatarandomnumbertableis,whilereferencingthe 10,000RandomDigitstablefoundinAppendixIofthetextbook,andhowthistableisusedtogeneratearandomsamplerepresentativeofthepopulationofinterest.Inthesummaryofthischapteronp.92,Hollanderand_Proschan_Ԁmakethefollowingthreekeypoints:.  . 1  .0    Atableofrandomnumbersisveryusefulforselectingarepresentativesamplefroma x  population.. $ی (#(# Ќ  2.  Theessentialfeaturesofatableofrandomnumbersare: P  -  *,XX4` XX*  -A  .0 4   Theequallikelihoodfeaturethechancethatanyparticularonedigitentryisa0is <  1/10,thechancethatitisa1is1/10,andsoforth.-ی 4(#4(# Ќ    B.0 4 Themutualindependencefeatureknowingsomeoralloftheentriesinthetable d exceptforthedigitinquestiondoesnotchangethechancesaffectingthedigitinquestion,thatis,thechancethatitisa0remains1/10,thechancethatitisa1remains1/10,andsoon. 4(#4(# 3.0  Whenallpossiblesamplesofagivensizeareequallylikelytobeselected,suchsamplingis  calledsimplerandomsampling. (#(#   The 10,000RandomDigitstablefoundinAppendixIoftheHollanderand_Proschan_textwasusedtoselectthoseplantsthatwillbeperforming_speciated_ԀmercuryemissionstestingattheinletandoutletofthelastemissioncontroldeviceinstalledundertheInformationCollectionRequest(ICR)fortheElectricUtilitySteamGeneratingUnitMercuryEmissionsInformationCollectionEffort.BasedonthegeneralgeneratingunitinformationfromallknowncoalfiredelectricutilitysteamgeneratingunitsprovidedtotheU.S.EnvironmentalProtectionAgency(EPA)undertheaforementionedICR,eachgeneratingunitwasalphabeticallylisted(byplantname) withinthepreviouslydefinedcategoriesfoundinPartBoftheSupportingStatementfor  L OMBForm83I.Duetoinformationacquiredaboutsomefacilitiesburningblendsofcoaltypes,whichwasnotpreviouslyallowedinthedefinedcategories,severaladditionalcategoriesweredevelopedtoaccommodatetheseblendingpractices.  AsstatedinPartBoftheICR,DOEand_EPRI_Ԁhavealreadycollecteddataforsomeofthedefinedcombinationsofscrubber,coaltype,andESPcontrol;thoseplantsthathavebeenidentifiedallowedforsomereductioninthenumberoffacilitiesselectedfortesting.Somecategories,unfortunately,onlyhadthreeorfewerfacilities(somewithmultiplegeneratingunits);thus,thosecategoriesrequirednoselection,sincethefacilitieswouldautomaticallyhavetotestatoneofthegeneratingunitsfallingwithinsaidcategory.Forthosecategoriesthatdidhavefourormorefacilities(somewithmultiplegeneratingunits)andfewerthanthreefacilitiestestedbyDOE/_EPRI_,arandomstartingpointwasselectedonthe 10,000RandomDigitstableandthe  ,\'* / TRX3' LetterX3' Letter3' Letter3'T   appropriatenumberoffacilitieswerechosen.Anyfacilitywithmorethanonegeneratingunit  withinasinglecategorywasonlyselectedonce.Althougheachgeneratingunitwaslisted,onceaunitfromafacilitywasselectedtheotherunitswereeliminatedfrompossibleselection,whichwillallowanyfacilitywithmultiplegeneratingunitshavingthesamecontrolstochosetheunitfor_speciated_Ԁmercuryemissionstestingtobeconducted.Excerptsfromtherandomlyselectedpointsofthetableusedforselectionappearbelow._Categories_Ԁwithinwhichtherewasnooptionforselection(asnotedabove)orwithinwhichthreeDOE/_EPRI_Ԁtestsareavailablearenotshown.˰XX]ExcerptsofColumnsfrom 10,000RandomDigitsTableUsedforSelection  L  #X]X˰#* Vddd Xdd Xdd X(#(#,( dd",( dd", dd",s dd ,( dd ,( dd ,( dd ,( dd ,( dd +     ˰XX] Category3picks  @  Population:31NoDOE/_EPRI_Ԁtests     Category9picks  @  Population:10NoDOE/_EPRI_Ԁtests     Category10picks  @  Population:4211DOE/_EPRI_Ԁtest V    $@ V $  @    @    @    @   8. @  @49300@8c˰49300 [Q,,  @49300 @ @34208@[34208 [Q,,  @34208 @ `@93734`@[93734 @V1,,  `@93734 `@ @ $, V $  ,    ,    , !   , "  8. , # @19570@8 19 570 [Q,X$ @19570 @ ó@05059ó@[ 05 059 [Q,X% ó@05059 ó@  @78046 @[78046 @V1,X&  @78046  @ @ $X'V $  X(   X)   X*   X+  8. X, @25411@8 25 411 8.,8- @25411 @ 8 8. 8. @13856@8 138 56 @V1,8/ @13856 @ @ $80V $  81   82   83   84  8. 85 p @78343p @878343 [Q,h6 p @78343 p @ @18096@[18096 [Q,h7 @18096 @ @60629@[60629 @V1,h8 @60629 @ @ $h9V $  h:   h;   h<   h=  8. h> @97055@897055 [Q,? @97055 @ @07561@[ 07 561 [Q,@ @07561 @ @40534@[ 405 34 @V1,A @40534 @ @ $BV $  C   D   E   F   G  8. H `p@91910`p@891910 8.,I `p@91910 `p@ 8 V J  $KV $  L   M   N   O  8. P PF@99429PF@899429 [Q,@Q PF@99429 PF@ i@14035i@[14035 8.,@R i@14035 i@ 8 V @S  $@TV $  @U   @V   @W   @X  8. @Y @68632@868632 [Q,lZ @68632 @ @19174@[19174 8.,l[ @19174 @ 8 V l\  $l]V $  l^   l_   l`   la  8. lb @30691@8 30 691 8.,Hc @30691 @ 8  Hd  V He  $HfV $  Hg   Hh   Hi   Hj  8. Hk m@13019m@813019 [Q,xl m@13019 m@ f@12493f@[12493 8.,xm f@12493 f@ 8 V xn  $xoV $  xp   xq   xr   xs  8. xt @@24357@@824357 [Q,u @@24357 @@  @40353 @[40353 8.,v  @40353  @ 8 V w  $xV $  y   z   {   |   }  8.  ~ H@02980H@8 02 980 8.,  H@02980 H@ 8 V    $ V $                 8.    @40449 @840449 [Q, P  @40449  @ @23310@[23310 8., P @23310 @ 8 V  P  $ PV $   P    P    P    P  8.  P $@28819$@828819 [Q,,!| $@28819 $@ @73857@[73857 8.,,!| @73857 @ 8 V ,!|  $,!|V $  ,!|   ,!|   ,!|   ,!|  8. ,!| +@43359+@843359 8.,X" +@43359 +@ 8  X"  V X"  $X"V $  X"   X"   X"   X"  8. X" 1@597881@859788 8.,# 1@59788 1@ 8  #  V #  $#V $  #   #   #   #  8. # v@33719v@833719 8.,$  v@33719 v@ 8  $   V $   $$ V $  $    $    $    $   $     )$ _*Vd d( dd"( ( dd"( dd" s dd s ( dd ( ( dd ( ( dd ( ( dd ( ( dd ( V(#(#,( dd",dd",dd",dd",dd"+    ˰c Category11picks  d Population:67NoDOE/_EPRI_Ԁtests    Category12picks  d Population:31NoDOE/_EPRI_Ԁtests    Category16picks  d Population:123NoDOE/_EPRI_Ԁtests ;1   `@25984`@;c˰ 25 984 [Q,P  `@25984 `@ @79871@[79871 [Q,P  @79871 @ @q@60298@q@[60298 [Q,P  @q@60298 @q@ @96344@[96344 [Q,P  @96344 @ @44412@[44412 [Q,P @44412 @ (@86666(@[86666 [Q,0  (@86666 (@ X@25954X@[ 25 954 [Q,0  X@25954 X@ `@36755`@[36755 [Q,0  `@36755 `@ @65994@[65994 ZP,0  @65994 @ @3139@Z 031 39 ZP+0  @3139 @ @69003@Z69003 [Q,`  @69003 @ @5@27861@5@[ 27 861 [Q,`  @5@27861 @5@  @32769 @[32769 8.,`   @32769  @ 863159 8. `  @50804@850804 [Q,`  @50804 @ @65511@[65511 [Q,  @65511 @ @40846@[40846 [Q,  @40846 @ @35903@[35903 8.,  @35903 @ 831928 8.   `r@87846`r@887846 [Q,  `r@87846 `r@ J@91305J@[91305 [Q,  J@91305 J@ @37992@[37992 [Q,  @37992 @  3@41369 3@[41369 8.,    3@41369  3@ 844381 8.  ! @19091@819091 8., " @19091 @ 8   8 #    8 $    8 %    8 &  8.  8 ' |@92104|@892104 [Q,d ( |@92104 |@ @52447@[52447 [Q,d ) @52447 @  V@55985 V@[55985 [Q,d *  V@55985  V@ @89928@[89928 [Q,d + @89928 @ @V@55986@V@[55986 [Q,d , @V@55986 @V@ @30622@[ 30 622 [Q,@ - @30622 @ V@49840V@[49840 [Q,@ . V@49840 V@  7@95090 7@[95090 [Q,@ /  7@95090  7@ V@75115V@[75115 [Q,@ 0 V@75115 V@ =@87003=@[87003 [Q,@ 1 =@87003 =@ B@17672B@[ 17 672 [Q,p 2 B@17672 B@ #@33054#@[33054 [Q,p 3 #@33054 #@ @28539@[ 28 539 [Q,p 4 @28539 @ @31727@[31727 ZP,p 5 @31727 @ @7650@Z 076 50 7-+p 6 @7650 @ 7 8.  7 @73437@873437 8., 8 @73437 @ 8 8.  9 F@06726F@8 067 26 8., : F@06726 F@ 8   ;  8.  < @@34858@@834858 8., = @@34858 @@ 8 8.  > P}@71637P}@871637 8., ? P}@71637 P}@ 8   @   LA   LB   LC  8. (xD @38112@838112 8.,(xE @38112 @ 8 8. (xF  @54985 @854985 8.,(xG  @54985  @ 8  (xH  8. TI pE@78935pE@878935 8.,TJ pE@78935 pE@ 8 8. TK  @32860 @832860 8.,TL  @32860  @ 8  TM  8. N d@52000d@852000 8.,O d@52000 d@ 8 8. P @98208@898208 8.,Q @98208 @ 8  R  8. S  @93954 @893954 8.,T  @93954  @ 8 8. U `@33811`@833811 8.,V `@33811 `@ 8  W  8. (X `@98102`@898102 8.,(Y `@98102 `@ 8 8. (Z @25472@825472 8.,([ @25472 @ 8 (\  *Vdd( dd"( dd"dd"dd"dd"V(#(#,( dd",( dd",( dd"+   P` ˰c Category17picks  da Population:261DOE/_EPRI_Ԁtest  Dc  Category19pick  dd Population:902DOE/_ERPI_Ԁtests  Df  Category20picks  dg Population:7NoDOE/_EPRI_Ԁtests 8. Di `@85718`@8c˰85718 [Q,P!j `@85718 `@ @26619@[ 26 619 [Q,P!k @26619 @ @81791@[81791 [Q,P!l @81791 @ @86072@[86072 8.,"m @86072 @ 8 8. "n b@23947b@8 2 3947 [Q,"o b@23947 b@ @69722@[69722 8.,#p @69722 @ 8 8. #q @93215@893215 ZP,#r @93215 @ @3056@Z 03 056 7-+$, s @3056 @ 7 8. $, t z@62423z@8 6 2423 [Q,$, u z@62423 z@ @80747@[80747 8., &\!v @80747 @ 8 8.  &\!w @18030@818030 8., &\!x @18030 @ 8  8'"y   8'"z  8. 8'"{ @71887@871887 8.,d(#| @71887 @ 8 8. d(#} $@39205$@8 3 9205 [Q,d(#~ $@39205 $@ Y@14515Y@[ 14 515 8.,)$ Y@14515 Y@ 8  )$  )$    *H& _*Vd d( dd"( ( dd"( ( dd"( V(#(#,<dd",<dd"+    ˰c Category21picks  d Population:12NoDOE/EPRItests    Category22pick  d Population:122DOE/EPRItests    c˰03 494 8. P Z@25962Z@825962 8.,P Z@25962 Z@ 878527 8. 0    @44865 @844865 8.,0    @44865  @ 864525 7- \   v@4027v@7 04 027 ZP+\   v@4027 v@  @57161 @Z57161 8.,    @57161  @ 8 8.   @53317@853317 8.,  @53317 @ 8       4   8.  4  @51423@851423 8.,`  @51423 @ 8 8. `  `k@79542`k@879542 8.,<  `k@79542 `k@ 8 8. <   @98492 @898492 8.,h   @98492  @ 8 8. h  @85403@885403 8.,  @85403 @ 8 8.   z@13045z@813045 8., z@13045 z@ 8     <  8. <  :@37329 :@837329 8.,h  :@37329  :@ 8 8. h  @11729@8 11 729 8.,D! @11729 @ 8 8. D" 9@951219@895121 8.,t# 9@95121 9@ 8 8. t$ @@25669@@825669 8.,% @@25669 @@ 8 8. & @53229@853229 8.,' @53229 @ 8  (   H)  7- H* @9666@709666 7-+$t+ @9666 @ 7 8. $t, @@92564@@892564 8.,P- @@92564 @@ 8 8. P. @55448@855448 8.,|/ @55448 @ 8 8. |0 @n@45938@n@845938 8., 1 @n@45938 @n@ 8 8.  2 p@65911p@865911 8.,!$3 p@65911 p@ 8  !$4   #P5  8. #P6 `%@33067`%@833067 8.,,$|7 `%@33067 `%@ 8 7- ,$|8 @3542@703542 7-+X% 9 @3542 @ 7 8. X% : 7@536887@853688 8.,&!; 7@53688 7@ 8 7- &!< @5511@7 05 511 7-+'#= @5511 @ 7 '#>    )d$? *xVdd<dd"<<dd"<V(#(#x,dd",dd",dd",dd",dd",dd"+    ˰c Category25picks  d Population:14NoDOE/EPRItests    Category26picks  d Population:11NoDOE/EPRItests    Category27picks  d Population:211DOE/EPRItest ;1   ׽@07639׽@; c˰07 639 [Q,P  ׽@07639 ׽@ @14079@[14079 [Q,P  @14079 @ @07048@[ 07 048 [Q,P  @07048 @ !@63759!@[63759 [Q,P  !@63759 !@  o@54137 o@[54137 8.,P  o@54137  o@ 8 8. P @14132@8 14 132 8.,0  @14132 @ 825812  0   09 165  0  33214 8. 0   @88978 @888978 8.,0   @88978  @ 8  0  15271  `  68348  `  35654  `  14340 8. `  Q@12963Q@8 12 963 8.,`  Q@12963 Q@ 8  `  21199    53819    79065    91608    85910        ! 22545 8.  " @96814@896814 8., # @96814 @ 827969   $ 74473 8.  % @@78164@@878164 8., & @@78164 @@ 8   '    8 (    8 )    8 *    8 +    8 ,  8.  8 - @76872@876872 8.,d . @76872 @ 845392  d / 47528 8. d 0 `@54499`@854499 8.,d 1 `@54499 `@ 840825  d 2  8. d 3 @@80308@@880308 8.,@ 4 @@80308 @@ 848300  @ 5 65694  @ 6 13171  @ 7 86501  @ 8   @ 9 43715 8. l : /@99065/@899065 8.,l ; /@99065 /@ 824253  l < 33063  l = 29924  l >   l ? 28430   @ 47445   A 34302   B 54969   C 48620   D    E 30662  F 38807  G 76809  H 17294 8. I @47262@847262 8.,J @47262 @ 8  K   @L   @M   @N   @O   @P   @Q 47404 8. lR @82043@882043 [Q,lS @82043 @ @85183@[85183 [Q,lT @85183 @ t@83791t@[83791 ZP,lU t@83791 t@ T@1365T@Z 01 365 7-+lV T@1365 T@ 7  lW 64876  LX 74721  LY 27541  LZ 39443  L[ 22352  L\   L] 73852  x^  09 566  x_ 74188  x` 77782  xa 52187  xb   xc 89204  d   e 13270  f 25078  g 80878  h  8. i @96505@896505 8.,$j @96505 @ 8  $k 89150  $l 64031 8. $m @@19529@@819529 8.,$n @@19529 @@ 8  $o   Pp   Pq   Pr   Ps   Pt  8. Pu t@54176t@854176 8.,,|v t@54176 t@ 8  ,|w 49980 8. ,|x  @80642 @880642 [Q,,|y  @80642  @ ?@70654?@[70654 8.,,|z ?@70654 ?@ 8 8. ,|{ '@37176'@837176 8.,X| '@37176 '@ 8  X} 26810  X~ 27186 8. X @45039@845039 8.,X @45039 @ 8 8. X  #@98866 #@898866 8.,  #@98866  #@ 8   35056   74012 8.  `8@51651`8@851651 8., `8@51651 `8@ 8 8.  @14199@814199 8.,  @14199 @ 8    09873     04 301 8.   @73169@873169 8.,  @73169 @ 8 8.   J@23850J@823850 8.,!0 J@23850 J@ 8  !0 40806  !0  8. !0 p@78215p@878215 8.,!0 p@78215 p@ 8  !0    #\    #\    #\    #\    #\  8.  #\ @61236@861236 8.,8$ @61236 @ 8  8$ 21845  8$  8. 8$ @48988@848988 8.,8$ @48988 @ 8 8. 8$ @97384@897384 8.,d%  @97384 @ 8  d%  44709  d%   8. d%  p @82103p @882103 8.,d%  p @82103 p @ 8 8. d%  2@827342@882734 8.,&! 2@82734 2@ 8  &! 88151  &!  7- &! ܥ@2798ܥ@7 02 798 7-+&! ܥ@2798 ܥ@ 7 8. &!  @73954 @873954 8.,'#  @73954  @ 8  '# 66501  '#   '#   '#  8. '# @18548@818548 8.,(<$ @18548 @ 8  (<$ 45920  (<$   (<$   (<$  (<$    L*% *Vdddd"dd"dd"dd"dd"dd"V(#(#,( dd",( dd",( dd"+    ˰c Category30picks  d Population:32NoDOE/EPRItests    Category48picks  d Population:103NoDOE/EPRItests    Category49picks  d Population:5NoDOE/EPRItests 8.   @86360@8c˰86360 [Q,P  @86360 @ \@39653\@[39653 [Q,P  \@39653 \@ @30644@[ 3 0644 8.,P  @30644 @ 847019  0   39769  0  09922  0  00269  \   095 86  \  76595  \   16 367    59122    78043    53815    44823    45007       8     8     8   27 311  d  16926 8. d  u@91994u@891994 8.,d  u@91994 u@ 8 30 397  D  93522  D   1 3012  D !   t " 70573  t # 64066  t $    % 11001   & 55973   '   ( 58290  )  2 9978  *   L+   L,   L-   (x. 20684  (x/   (x0   T1 26414  T2   T3   4 70423  5   6   7 09448  8   9   (:  052 87  (;   (<   X=   X>   X?  8. 4@ @86462@886462 8.,4A @86462 @ 8  4B  8. `C ]@24948]@824948 8.,`D ]@24948 ]@ 8  `E  8. F @@36298@@836298 8.,G @@36298 @@ 8  H  8.  I о@76781о@876781 8., J о@76781 о@ 8   K  8. !4L @80681@880681 8.,!4M @80681 @ 8  !4N   #`O   #`P   #`Q  8. <$R @65947@865947 8.,<$S @65947 @ 8  <$T  8. h% U @@26153@@826153 8.,h% V @@26153 @@ 8  h% W  8. &!X @U@51882@U@851882 8.,&!Y @U@51882 @U@ 8  &!Z  8. '#[ -@86747-@886747 8.,'#\ -@86747 -@ 8  '#]  7- (<$^ P@6480P@7 064 80 7-+(<$_ P@6480 P@ 7 (<$`