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APF—X IENVIROTECH, INC.
<br /> NDARD OPERATING PROCEDURES
<br /> rterly Monitoring Reports
<br /> When practical,the groundwater sa_Y a should be collected
<br /> when the water level in the dell recd-s to a'least PA percent
<br /> SOP a of its static level
<br /> SAMPLE IDENTIFICATION AND CHAIN-
<br /> OF-CUSTODY PROCEDURES The sampling equipment consists cf e-rera'Teflon"bailer,
<br /> PVC bailer,or stainless steel bladd-,pump with a"Teflon"
<br /> Sample Identification and chain of custody procedures ensure bladder If the sampling system is d_:sated to the well,then
<br /> the bailer is usually"Teflon, but lee t adder pump is PVC~with
<br /> sample integrity as well as document sample possession from
<br /> the time of collection to ultimate disposal Each sample a polypropylene bladder In genera'a-d depending on the
<br /> container submitted for analysis Is labeled to identify the Job Intended laboratory analysis mill l;, glass volatile organic
<br /> number,date,time of sample collection,a sample number analysis(VOA)reals,with"Teflon"se;o are used as sample
<br /> unique to the sample,any in field measurements made, containers
<br /> sampling methodology,name(s)of on-site personnel,and any SOP - 12
<br /> other pertinent field observations also recorded on the field
<br /> excavation or boring tog IYiiEASURING LIQUID LEVELS USING
<br /> WATER LEVEL METER OR INTERFACE
<br /> PROSE
<br /> Chain of-custody forms are used to record possession of the Q
<br /> sample from time of collection to arrival at the laboratory Field equipment used for liquid full gaiging typically Includes
<br /> During shipment,the person vnth custody of the samples will the measuring instrument(water-lewl meter or interface probe)
<br /> relinquish them to the next person by signing the chain-of- and product batler(s) The field tU,also includes cleaning
<br /> custody form(s)and noting the date and time The sample- supplies(buckets,solution,spray boles,and deronized water)
<br /> control officer at the laboratory will verify sample Integrdy, to be used in cleaning the equipment tetvreen wells
<br /> correct preservation,confirm collection In the proper
<br /> container(s),and ensure adequate volume for analysis Prior to measurement,the instrument t,p is lowered Into the well
<br /> until rt touches bottom Using the pre iously established top-of-
<br /> It these conditions are met,the samples vall be assigned casing or top of box(r e,wellhead va A)point,the probe cord
<br /> unique laboratory log numbers for identification throughout (or halyard)is marked and a measuring tape(graduated In
<br /> analysis and reporting The log numbers will be recorded on hundredths of a foot)is used to dererminethe distance
<br /> 18 Chain-of-custody forms aid in the legally required log book between the probe end and the me krg on the cord This
<br /> ntained In the laboratory The sample description,date measurement is then recorded on the irquid-level data sheet as
<br /> received,client's name,and any other relevant information will the"Measured Total Depth"of the Ye I
<br /> also be recorded
<br /> When necessary in using the interface probe to measure liquid
<br /> levels,the probe is first electrically grounded to either the metal
<br /> L4130 RATO RY ANALYTICAL stove pipe or another metal object nea oy When no ground Is
<br /> q UALITY available,reproducible measurements can be obtained by
<br /> ASSURANCE AND CONTROL clipping the ground lead to the handle of the
<br /> interface probe
<br /> case
<br /> In addition to routine instrument calibration,replicates,spikes,
<br /> blanks,spiked blanks,and certified reference matenals are The probe tip is then lowered into the s-sit and submerged In
<br /> routinely analyzed at method-specific frequencies to monitor the ground,vater An oscillating(beep ng)tone Indicates the
<br /> precision and bias Additional components of the laboratory probe is in crater The probe Is slo,;y rased until either the
<br /> Quality Assurance/Quality Control program include oscillating tone ceases or becomes a steady tone in either
<br /> case,this Is the depth to water(DTVI!)indication and the DTW
<br /> I Participation in state and federal laboratory measurement is made accordingly Tre steady tone Indicates
<br /> accreditationicertification programs, floating liquid hydrocarbons(FLH) minis case,the probe is
<br /> slowly raised until the steady tone ceases This Is the depth-to-
<br /> 2 Participation In both U 5 EPA Performance product(DTP)Indication and the DTP measurement Is made
<br /> Evaluation studies(WS and WP studies)and inter accordingly
<br /> laboratory performance evaluation programs,
<br /> The process of lowering and raistrc ln,probe must be
<br /> 3 Standard operating procedures describing routine repeated several times to ensure accare'e measurements The
<br /> and periodic Instrument maintenance, DTW and DTP measurements are racc,ded on the liquid level
<br /> data sheet When FLH are indica'L�b/tne probe's response
<br /> S 'Out-Df-Control/Corrective Action documentation a product bailer is lowered pariia4/trrcugh the Ft. 11-veater
<br /> procedures and, interface to confirm the FLH an the.-er surface and as
<br /> fu Cher indica'ion of the FLH thickrts; pa;tcularly in cases
<br /> 5 Multi-level re aer i of ra /data and client reports %here the FLH layer is quRe thin T r-s rraesurement is
<br /> recorded on the data sheet as"F',L-
<br /> SOP - 7
<br /> GROUNDWATER PURGING AND incrdertoamiccross contamna'_-_'vre'Isduring the liquid-
<br /> aMPLiNC; la.=_l measurement process 1I''e a _r-eas_red in the order c'
<br /> cieai"to"drt j(,,,hare such m9c c-is available) In
<br /> zr cr tc vrater sampltnc earn 4,e',is purged by evacua�ing a aaca or, a I measurement equ pr=- -de3ied srth solution
<br /> r nr—',r-n of"fee Wl-t ed yeti-castra Inlumes of groundwrate, aid tnornu_niy rinsed%.—,h d:of z-_ I- lta are use betvwsr
<br /> v.Vn required purgin3 tn'l tont nue timil ether the discharge neasuremems in resoectne•,e z __ a t,----completion of tr_
<br /> e a,torr pera,ur_ ccnductryy or VH stabile,a rite mum of C3/5 use -
<br /> . =mel-casma volumes c'arounarrwer have been
<br /> r,_o,ereo a-tne%,ell is_baled a•, _
<br />
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