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20/12/1999 16.@9 9165350207 APEX tt4VIPOTECH PAGE 15 t
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<br /> APEX ENWROTECK11 INC.
<br /> STANDAR[)GPERATtNG PRO[' EDURES
<br /> Soil 130rin a,
<br /> BQP-tf 9 dP-4
<br /> CHAIN-
<br /> OF-CUSTODY af8rt+PLIK IDENTIFICATION Atilt? N1-
<br /> SOIL. l3Qgl1i1la t11AMis(iNa` tk1C•CUST+C DY PRtiCROURim
<br /> t iprireg dtllting.$oil samples for chemical analysis are Sample identification and chain-of-custody Procedures
<br /> i
<br /> collected in thin y all0d Wass tubes.of Varying diameters and
<br /> ensure sample integrity as well as document sartapfC
<br /> lengths(e g.,4 of 8 inches king by 2 inches outside possession from the time of collection to ultimate disposal,
<br /> diamester). Three or four at the seitteW tubes,plus s spacer Each sample container submitted for analysis is labeled to
<br /> tube,are sei In 06'48-inch long split-barrel sampler cf tite identify the job number,data,time of sample Collection.-a
<br /> appropriate inside-diameter. sample number unique to the samplO.any in-field {
<br /> Where nieasuternents made,sampling methodology,name($)of on-
<br /> possib£e,the splix-banat sampler is driven its entire Site personnel,and any other pertinent Feld observations
<br /> length either hydroutically or U$fllg s 140-pound drops also f000rded on tree field excavation or borin l
<br /> hammer. The ampler Is ea *Cftd from the borehole and the 9 '
<br /> brain tubes,containing the soli sOmpies,are removed. Upon Chain-of-Custody forms are used to,recote possession of the
<br /> removal from the Sampler,the selected brass tubes are sample from time of collection to arrival at the laboratory,
<br /> either lnlmedrately trimmed and capped with aluminum foil or During shipment,the person with custody of the samples will
<br /> Teflon"sheets and 0183tic caps or the samples are extruded relinquish them to the next Sarson bysrgning tate chain-of=.
<br /> from the tubes and pealed within trthet appropriate,cleaned custody form($)and rioting the date and time, The Sample-
<br /> $am*containers.••The samples are then harrmsticel li Control officer at the laboratory will verify sample integrity,
<br /> sealed,labeled,aird refrigerated for delivery,under strict correct Preservation,confirm collection in the proper
<br /> Chain•Of-pastody,to the analytical laboratory, These eontalner(s),-and ensure adequate volume for analysis_
<br /> Procedures minimize the potential for cross-Wntamination
<br /> and volatilization of volatile organic compounds(VQC)prior tfttiese conditions airs met,the samPlas will be-asslgned
<br /> to chemical analysis. unique laboratory log numbers for identification throughout
<br /> analysis and reporting. The log numbers will be recorded on
<br /> One son sample Collected at each Sampling interval is file chain-of-custody forms and In the legally required log
<br /> analyzed in the laid using either a portable ptiotolonization book maintained In the labom". The sariipia description,
<br /> detector(Plo),flame ionization detector,organic vapor date received,Client's name;,and any other relevant
<br /> analyzet,catalytic gas detector,ar an explosartmeter. The information will also be recorded.
<br /> Outpost of this fiekt analysis is to qualitatively determine the
<br /> Pre3#1100 or absence of hydrocarbons,,and they samples to be OP-8
<br /> analyzed at the aboratory. The soil sample is seated In LABORAIrO R1r ANALYTICAL, QUALITY
<br /> either s brass tulle,glass jar;or plastic bag to allow for some. ASSURANCE AND CONTROL
<br /> volatilization of VOC. The PID Is then used to measure the
<br /> 1 concentrations of hydrocarbons within thee containers's In addillon'to routine Instrument calibration.replicates; l
<br /> headspaice. The data is recorded on both field notes and the Spike&,blanks,spiked blanks,and Carolled reference 4
<br /> boring logs at the depth Corresponding to the sampling M iyzed point: materials are routine ane pccitrc t
<br /> a., at method-S t
<br /> Miser soil s>#mples'aro collected to document the soli antics frequencies to monitor precision and bias- Additional
<br /> components of the laboratory Quality AssuranceJQuatity
<br /> srrOtigtaphic protllClioneath the project site,and estimate the
<br /> relsAvs permeabillty of the subsurface Materials. All dr'iiting Control program include:
<br /> and sampling equipment are either steam cleaned or washed 1: Participation in state and federal laboroloty
<br /> in solution and doubly rinsed in dsionized water prior to use accreditat£onicertification programs;'
<br /> at each site and been Apretroles to minimize the potential
<br /> for cross contamination. 2. Participation In both US,EPA Performance
<br /> In the event the soli umpies cannot be Sabmitted to the Evaluation studies(W8 and WP studies)and inter-
<br /> analytical laboratory on the same day they are collected(e.g., - laboratory performance evaluation program$.
<br /> due to weekends or�hofldsys),the samples are temporarily ;t. Standard operating procedures describing routine
<br /> stored until the ftsrpportunlly for submittal either on ice in a and periodic Instrument maintenance.
<br /> cooler,such as whe»in the frold,or in a refrigerator atAprejeo
<br /> AMC, 4: 'Out-of-ControrlCorreclive Action documentation
<br /> "P.3 pEocxdutes;and,
<br /> SOIL C1460111M1R3AT1R1tN 5. 'MUNI-level review of raw ditto and erentresports.
<br /> i i• '
<br /> Soil somptas Lire classified according to the UnU1ed Soil
<br /> Clsssi{ic MOM Systems; Representative portion$of the
<br /> Sai»ples may be submitted:under strict chain-ref-custody,to
<br /> an analytical taboratirry for further examination and
<br /> verification of the Infield clasSiricrlt£gn god analysis of soil i
<br /> mooatnical gndtor p,etrcphysical properties. Th#soil typ oa
<br /> are indicated on logit of eltht r excavations or bodngs
<br /> together with depths lcortesponding to the sampling points
<br /> and other pertinent iriforrrtetion.
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