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•�4v.-iuliv cAsoLINE , r , P r
<br /> 1 1 �l�'� 4 '� '
<br /> even the corrst2tuencs =nemse v "'
<br /> the site es. ai l -,axv wic '
<br /> �o r° Lnitzal contaminacion`d due, ro weacherzn dzscance
<br /> comaonerrt categories in automotive z �om
<br /> following: v gasoline have been id ncif ed asathe
<br /> n-alkanes
<br /> branched alkanes .
<br /> Cyclaalkanes,
<br /> r
<br /> benzenes"and~alkylbenzenes
<br /> - ------ --_� �Pbttralenes
<br /> A c�ombinazan of Capillary
<br /> --
<br /> chro�C°graPhY%amass s co furan`gas chroraato
<br /> Identify r aha ,"'�" PactroM6C, ry (GC/Ms) graphy {GC) and;6`gas
<br /> S --, " .opal comp ry ) t�eh iques ' a,
<br /> Sam ra�r, anents r., r 2rY ! '�Yj ba used r'to
<br /> auc6mo c fve
<br /> Pr�riZy; axg'�Pr+obaniy ! any r sa jesk'`cnil to �,� n � the ' g olitie,+ " �Fual '
<br /> GC rrk attZAcnaize`,, �gmay,FreRiir 'e he s»� �'' Field which ,a
<br /> hY ca baysis)'+� o£, tha aliphati`'cr.�n'monoazc '>r ep�aratiOn {prilor to GC�Id
<br /> =1 'fractioasi uSln xastic arid` p t�' �, f h r
<br /> varioua col '' a{,, $, 1iqui'd �V'sa,iid'' cal`N+ hr Qlycyc aromatic
<br /> a the umn seluatesN with fchouc vet chrnragto z P ._ r
<br /> to ,' n'i`bs «analyzed by CC ar' CC dilutianr�:,1n F carob B a hy`,; the
<br /> bn, .Liquid-li' uid , IMS techn2 ues. ` n disulfide,
<br /> 4 extracted'• w q Aqueous samele3p need
<br /> cric�alaroCrzfluoroech'ane)� przor , ' Ian a '
<br /> vM _ PPrs rzat$l solvers= {i.e. .
<br /> exeractect;, uiths�p'crichlo'ratrifluoroa'thane Szs• <,
<br /> r`"o it a '+ y �FSalid f S—Pies wall
<br /> vitkiout-SOnItatia marhodst,r(1 22),1,.',,,a An=`al'i not ing}, ;soxhlet 'extraction,•nor
<br /> f cnitceirttraticri;">iswr`the ` q zo a °f,'the, sample `extract,
<br /> analysis co ,r,f4 ?1 n banal ed , with or
<br /> bei ' �}asidaaarations "for��.Soae s� )'z, bY,=SGC jar"'CC/IiSl:� � 5
<br /> rszena $,rs , iv yacific filing acrd
<br /> r . ,rt0�.u@rta�,y,,xylenGs'� ® cl r comr�]onertts uin gasoline' i1- '
<br /> addxessad""i ', Y, barrzane � � B•
<br /> i'a n 1 va lumee, 1'-" L,. ,� �„ ;r ;1, '' ,R t }., cad, naphthalene have
<br /> .'r' q a�st �+ ¢'t boon
<br /> rnacive: y; that�- d;a tg u PIT
<br /> d*t*rmj=CjOn,V,)/alilda np `i° 1oil and �greaSao, con�.'Gni' (+i len ,i 9
<br /> S�t!$CZf�C� Eart,r� +va $1 � C �Gthevmeaarema a Shaba,'maasured. �$
<br /> of ,c°mponeretr,t,bat ratiher'�"+ nt o an�ah80lure 'quariti
<br /> CQ IkL d !�, t " p� h#r,_ SkFtha't
<br /> mpnnerr'tsf��+twLCh')r similar, quarrCitative dete`;mfiiation'of, of
<br /> sal>:dix3i" �f ����ieh w , physical" cha � "' �n� r, ,a groups '
<br /> tr orocrzf " racceristics �1,e. rr
<br /> is r r _r,mtar v t n_ xryZL3arOeC�lallEl) �1B a L�rnh pn ., C4m =On
<br /> trich�f inedF'�'F ,ash any F 'material oii`xand grease" -Content
<br /> loro>rriflctoroetliane k+ A recovered Erom , extraction with
<br /> mar-hods rare',chnsG described aboveegsured gravxmezric'aiI
<br /> µ' for aqueoers artd Y: extraction
<br /> soil samples
<br /> A datecEion" limit for automotive
<br /> datecticin lij�`fc -' P,- I _ _ gasoline wa
<br /> a , r or specific 'cants s not "determined; the
<br /> of £dr''n aqueaus''samples; and $fig for no e�eCtad t� be xn the range
<br /> U
<br /> t
<br /> k,�rh r� �S ,} nrr,r• �° » f i� r`t '$[�1,TEO s
<br /> i
<br /> i
<br /> 6/87
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