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10r'12f1998 16.09 9165350207 APEX ,ENVIROTEcjH PAGE 14 1
<br /> "VIRO"!r K01Rs. INC.
<br /> 3TANVARD,0PERATiNo PROCEDURES
<br /> Quarterly Monitoring Ralpe"S
<br /> SOP
<br /> Whrtn practical,the grourrdavater sample should be muscled
<br /> j �MPL1E 1i}I�lli'lr'/�!t3�"e`IOillf�ifltt� �l�tA�lll-
<br />! QF•OSJ3TOOy tPiiOCIEDia when the wator iev t in the well rec rsr to at desalt So percent
<br /> Of its vtati0 tavol
<br /> Samples tdeuttiftmtlon and chairror-custody:Procedures ensure: The 5ampting equipment consists.of either a"Tettora"battar,
<br /> sample intogritylas well as domment saw Possmiort from PVC bsiliir,or statnitas steel bladder Pwrip with a`Tetlon,
<br /> the time or collection to ultimate dtsposel. Each=",* bladder, 11 the sampling 4y*e M is dedicated to the well,then �
<br /> t R1111lner submiged for analysis is ISOW d to Identify the job the#miler is usually"Tenon„`but trig bladder pump is PVC With,
<br /> .
<br /> C number,dela.time of aarnpk collection,a sample number a polYprapylene bladder. In general and daperading on the
<br /> unique to the Sample,any Ira.Tiaid measurements made, Intended laboratoty analysis,40-mitllllter glans.volatile organic
<br /> sampling rnoulodwogy.name(s)or onsite Personnel,and any
<br /> analysis NCA)' ,with"Teflon septa,are used as sample
<br /> War Pertinent gold observations also recorded ort the raw containers:
<br /> emaavation or boring fisg.
<br /> Atop• ti A
<br /> MEA U1111111111Ii10 LlirtYlD LI VElx6 V rtitsstii
<br /> F Ch ln-af-mvilody fomes are used to record Possession of the iron W&"e i.EifLrs ilt1'1C Will llMt1� F� I� i
<br /> ple ron time of collection to aminal at the laboratory, Ia1 OD#S
<br /> During shtpnierrt,l the
<br /> Person wMih custody or the samples'Will
<br /> fttlnqutsh there to the snit person by oigntrg the chriirt of. Field equipment used for G d
<br /> custpd�r!arm($)end rioting the data and time. The enol gauging typically Includes
<br /> control omcer er the laboratorywatt ve aompie the measuring instrument(mister-level meter or Interface probe)
<br /> rtry sample intagrftf, and product bailor(as}, The field fait 4130 M`nclucles cleaning
<br /> correct preservation.contirrn code#ion in the proper' supplies{buckets.solution,spray bottles,and'dehmized waW
<br /> corriatrtanr(s),assd.'ensurc adequate volume for anatyat3. to be used in cleaning the equipment between welts:
<br /> If these condfd4rns pro met,the sample*will be assignedPrior to measurement,me iristrtrmenfGp is lowered into the welt
<br /> unique>atapra#M y log numbers for Identification throughout until it Iouches b:rrRom. Using the Previously astabfiahed tq"r.
<br /> anadysls and repohing. The lag numbom will be recorded an Casing or top r-box(#:e.:wellhead vault)point,the probe cord
<br /> the eliairHcyr-cum
<br /> forms aril fn the Iegstiy tequtrad fa opk {or ha rd is)narked and a meesurt lope
<br /> maintained m the laboratory. The saln0a descriptia�rl.4glo hundredths of a fdetermine" p ttdistance
<br /> ista cel In
<br /> recalvred,client's name,and any other relevant inrunT atton will between the robe, is arid
<br /> a marking
<br /> O the ditrrd
<br /> also be AWxWded, P end and the rstaridng err the covd. This
<br /> measurement is then recorded on the ilquid4evel data sheet as
<br /> the`Me"ured Total 0eW of the well.
<br /> SOP . � When nere4s4
<br /> LieiOliAVORV ANAL'e'TIR7AL QVAL#VV ry to using the#rsferiacepr'obe to measure liquid
<br /> ASSU dK Arils COli17 p9L levels.the probe is first etOdfkcafty grounded to ether the mcial
<br /> atone pipe or anottser metal*tiled Darby. When no ground Is
<br /> avatiab*mProducibte measurements can be obtalned by
<br /> addition to rouGlte tnstrurrrent caiibratlon,replicates,spiders, dipping the ground lead to the handle of the interface probe
<br /> blanks,spiked blariksi,and certified refffefte materials are case,
<br /> routinely analyzed at atrtCit{c enciestomonger
<br /> predsion and blas:;Additional components Oi the laboratory- The probe tip is then lowered Into the well and submerged ks
<br /> Quality Aeturenwquality Control program include: the groundwater. An
<br /> oscillating(beeping)tone indicates she
<br /> Probe is In water. The probe is ekswly raised unlit efflw the l'
<br /> fi. OVOClpatbrr In*lets arra federal laboratory 'oeorllating tone coarses or becomes a steady tone. to slthssr
<br /> aCcreditstion/t ertltfcation proggrama. case,this is the depth-Wwater(OTW)indication and the 07
<br /> measurement 10 made accordingly, The sat”tons tndfpites
<br /> E lilift)retkrn in both U.S,EPA Perlomhisl= ftoatsrag liquid hydrocarbons(FLH). In this Cara,the probe I&
<br /> Evatuetion'studies(W$end WP studies)and triter- slowly raised until the steady tone,+ceases. This is the depth-ttr
<br /> perferr
<br /> laboratory cs evaluation program. '(OTP)insllcation acid the DTP rneasurernti nt is me&
<br /> a +fid
<br /> i it
<br /> 3: mrd opefating Procedures descrtblrlg roughs
<br /> and periodic Instruumentr+Mtiin�rsanc e. The Process of towering and raising ire probe must be
<br /> ., . :i,, repeated several tistMea to ensure comfilte mossurementsx: The
<br /> 4- "Qsit of-6fthpr/CWI*C ve Acular d%vmeritatton O W and OTT tnetfsursernefftare recorded on.the Ilquid.levses
<br /> procedural;anti,, data sheet. When FILM are kxrx ted by the probers rasportse;
<br /> r: a product batter is tow"d prutfait3y through the FLH-woter
<br /> S. Mutti.f"raviewof raw data and cilent repoft, interface to confirm the FlH an the water surface and as
<br /> loiases tndicotion of vie FLH Vockneft,
<br /> ,!„ > 7' partics,darty i*+cae?es '
<br /> where the FLH layer m quite thin. This measurement is
<br /> t,ROttlMIR7 WA-iim tPtii'litili live AMD recorded on the dated sheen as"FLH thickness'"
<br /> AAtitilPi.#ltiRly ��" .
<br /> In ordain to avoid crvea-cont "1111atfort of wells during the Hquid,
<br /> Rear to wow rsampling,each well Is purged by sevashrating a kvrl measurement process.wells Am!treasured In the Older of
<br /> minimum trithree walled well-casing volumes of grourt&matar, "clean"to"dirt/(where such IniorrriaHon to avalllatafa). In
<br /> WhOn"iMd,purging will ewitinus until etther'ther+dscherge addition,oil mossurem"t equiprnerMt is cleansed with aw#utrrrn
<br /> r tesMrperatus e. u�vtty.or pti atawme,a mimmumi of and thoroughly rinsed with diekxilboo water before use, i
<br /> watoten vetted-coatingvolumes Of'SmUndvvaiter have been auterrients in reopr=ove wai4,and at the completion of the
<br /> recovered,or the wea is bellied dry. daysuse:<
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