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R ' SAWLE OENT rCATFON AND C7{A .OP CUSTODY PRp� SOP--! DURRS should include a ural ue s Sample ideritihcation an 4 arrtpk identdreati ntunlrer Job idem cation numbe, 60 and d d chain-of-c tune,type o£analysis requested and the s acurnent sample ustadv procedures ensure disposal. l ach s Possession from the time ar coQ sample iUs ultimate ampiers ntattc. integrity, For quality control Job mr sample container submitted for anaivs" PtuPaseS. a d tuber. date. fume o is is labeled to identify the well This uPlicate water sample is collected from sample•any in-field f sample calleciion a '%a+nple is Put On hold as the 1 m e measurements madt.sem sample number u is Prepared at the labo laboratory When ro u• ac! site personnel PIu►g methodology, nique to the °13'and placed in t}1C 4 [earl a trip blank and any odiet'pertinent Feld am $Y.name(s)of on- sratitar to the well samples, rcrn sport cooler. It is labeled exCasarron or baring log. ervationsalsorec° stns N the cooler ort riled on the field analyzed by the laboratory elan w' field bisalt ma B tth rhe during transport and is Cham'of-custody forms are used to record possession of the 8roundwater samples, in addition.a dedicated, Tht fi d blcank ared in the field who' sarttpling equipment collection to its arrival at the (aboratoty. steam L!e Prepared after a u qui ment is not custodv o t sample front time of ��or properly washed prior to use Pump or bailer has been either Of a7e samples will relinquish boring shipment_ the along with the other sate a in the next well and is analyzed chain.of-offorms 4 them to the next person with eflecaveness of the Qles, The field b] aflicet at the { } and notingPerson by signing the iD-field cleanin auk analysis demonstrates the laboratory w the date and time. 8 Procedures to collection in Will verify sample inte es a sAmPle-control Prevent cross-con Brit[•correct preservation.cont To minim tamunation. the proper evntainer(s),and ensure ode tt�tt rze �e Potential For 4uate vn devElopment and w �4 `contaminalion bettve If these Iume for an afar sarrepling aqui en wells. a!! well conditions are met. the samples will b cleaned or Pment not dedjcated to numbers for identification thtou a asci measure, Properly washed bacween a well is either Mill be good unique laboratory Jo wells arc sampled use. a second recorded on t e ghoul analysis and re S established b order of least to precautionary h chain-of-custody fo reporting, The log Y available r highest conce book maintained in the laboratorv. Or desert B numbe s p coleus analytical data titrations as 7heSoun to the legally-required to name,and any other cafe[• In the event an[information wifI also be re 'daft received,client's crit the water sample" em les cannot ded. on the same da pcedbe submitted to the analytical Jaboraton• Lr1BORATQRY AN ALYTICA samples arc temporarily che collected (e, L QU•kLIT1'A55[1RgN stored until the rustdae to Weekends or holidays). the AND CONTROL ice in a cooler,such as[vhen in PPortuuity£or submittal either an SOP-5 the field, In addition °r in a refrigerator at Aegis,o to in instrumentNIEASLTMG LIQUID L� $ [lice. blanks yid cenifed referenccalibration, replicates. spikes. blanks. PROBg frequencies to niawrials are routine? spiked LEVELS USJ�YC WATER LEVEL OR INTERFACE rnartitot precision and bias. y analyzed at rnethod- Iaborator- Quality rlssur Additional specific SOP 12 ancerfluaJity Control Components of the PCO$ratn in Field equipment used f ]. Partici or liquid-levet patiort in state and federal iaborato Probe(water-level or interface Saugiba bailer(,). llv includes the measuring Programs: ry acereditationreertifreation cleaning supplies(buckets.TSpd Product hailers}• The field kit also includes in cleaning the equipment Pray battles.and dei°nized w 2 beriveen wells. aur}to be used Participation in bath {r- _ S EFA Performance Evaluation studies and W P studies? and i Prior to measurement the Programs. rater-laboratory {WS bottom, robe tip Performance m• CTs P i is lowered into the well until it touches evaluation 3. wellheadvUsing the Previously established to rof-r Standard }Point the Probe cordo P 1* B or tap_of-box operating procedures describing (graduated m hundredths of a foot �( r halyard)is marked and a tae.. instrument mainten g routine probe end and the marttin )• used to determine meastuing tape once: and periodic Bon the cord. the distance between the the liquid-level data sheet as This measurement is 4' "Out-ot= the "Measured Tota] then recorded an Control"fCorrective Actiott documentationDepth"of the well. procedures:and When necessary in usin 5' 'tlulti-level review of is fust eit B the interface probe to MW data and client reports• nrically grounded to either the measure liquid levels,the pr be nearby. When no metal stove pipe or another Mata]b. t GROI1NDWgT PURGING obtained by clip ground is available, rc G a'�D SAMPLING Pig the ground lead to Producible measurements can be the handle of the SOP-7 T'!re probe[i tnierface probe case. Prior rn waters P is[her[lowered into the wefl and submerged ampling,each'veil is err oscillating{beeping)tone indicates the probe is" egad m the wetted well-casin ti. purged by evacuating a raised anti!eiWer die asciohc-i g tone re groundwater. continue until eithing7 ache es of groundwater. W B ntinimum of three m water• T re probe is slowly When required. case.this is the de ceases or becomes a Ste stabilize. a +maximum of fen discharge weJ bore ter voftemperature. empeatre. Purging will depth-to.water(DTW adv tone- In either conductivity. °t' e acco'dinglY. The stead )indicator and the DTW'measurement is recovered. or the %veil is bailed or PH Y tone indicates floating should be collected W �? When ground[[star have been u1Q Probe is slowly raised until hydrocarbons, When the seater leve! unpractical. the groundwater Sam Je Product(DTP)indicator Ura steady tone ceases- a this case. Percent o£its static levet. the well recovers to at least 80 and the DTP measurement is This is the depth-ta- The process of loweringmade accordingly. B Y. The synpJinB equipment co ensure ace a and raising the probe must he re stainless steel consists of either a " urate measurements Probe The DTW Pealed several times to bladder pump with a"T Teflon" bailer, FVC on the liquid-leve! and DTP dedicated to "Teflon,,bladder. 1F the s bailer. or data sheat. When lIoatin measurements are recorded the well-than the bailer is usually" sampling response,a B Product is indicated by the rs PVC with a Teflon," P &s}'stern is Product bailer is lowered po'vp"pylerre bladder. but the bladder to c'onlZ the product on the Partially through Probe's laboratory In general and de Pump water su the Product-water interface analysis.40•milliliter pending on the thickness. Ps+ticuI rfaCC,and as further indication Of "Teflon',se glass ['olatiltor intended arty in cases where the Pts are used as sem le con Baric analysis{VO�)vials,rvi measurement is recorded on Product layer jg Product P tanners. th the data sheet as„ quite Ehin. 'I}ris product thickness," The groundwater sample is dee there is no me anted into each VOA vial in such a m In order t viscus at the top of the vial. ° avoid of the[•jai. Th .a ca j scorer that cross-contaminagon o e vial is then inverted a s quickly secured to measttroment process,wells arc f wells duriii Present. IF none are and gently tapped fo s the top such' measured in the ord B the liquid-leve! present, the vial See if air bubbles are information is available)- er of to" Punder sErict ch is fabeied and whit ) In addition. dim'"(where sin-of-custodv. tot refrigerated for TSP or similar solution all measurcmerit e ( ere he anakI IcaJ labo delivery. and thorn equipment is cleaned eatery, Label info fie•between measurements in resptctive$vvelis.and at tile deionuzed water 6eCort r7naeion use, AEGIS ENYrpRNIyI�N7AL,INC, the certepletl°n Of th U�'FttAMAR QM S e day's Z7R-4,S. 7, 1?JgCTQ8E1?Y, Y993