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as tittle agitation as posdble to reducd potential loss of volatile cO `-t =ts< •off,io <br /> and metals analyses (in non-preserved ) ` be co �, �?to <br /> followed by samples to <br /> be collected in preserved con ems, Costgkm will be filled directly fmrn the disposable bailer, <br /> immediately capped,and placed in a temperanze-monitortd iced chest Caution Will be <br /> used not <br /> to overfill bottle =Wniug a Prcs= Vc monitored by placiris.a <br /> thermome-ter in the.chest and cheeldus to make sure that <br /> d ifa in the chest to <br /> a ' � of*apprwdmatcly 4 dcV= Celsius. <br /> d en4 and report the temperat=of the sampie container upon atrivalat the <br /> ry, <br /> The analytical laboratory plate a toW of 2 ml of nitric add e Of the 1 liter bottle to <br /> reduce the PH to below 7» On an amual basis an cctm pros ed botde win be Medd with <br /> groundwater and the FH measured in the bottle, It is,assumed dw the pH will bebelttw Z: If it <br /> is not the field technician will addnitric acid in rzz d amounts until the pH is below 2. <br /> This <br /> added quantity of acid will be placed M4 all the preserved es.d ,i the foUowiagmonitoring <br /> rounds until it is checked again the following- .. c gam'�nrill_Ems. cit nt_tbe.: <br /> Laboratory and recorded. Deviations wM be documented and rcported by the laboratory. <br /> Samples,to be srabnjj€ted for Metals202173is-%dM be-%dfiltered in the field- Filtering- be <br /> Formed using an in line filter Mega re wMch msec the pumpiAg FrOccw of the-dedicated - <br /> pump to draw wader tough the 4 icrou'filtm A new filter will be used at each well_ The new <br /> filters ill have a minimura of one filter volume f un prp essu�d thmugh them to <br /> reduce adsorption. effects. Th*actual fol e. not be collected-until a minfinurn of <br /> two ftiter Volumes of groundwater hai been. passed ftmgh the Titer. For Wells without <br /> dedicated pumps,the sarnples arc to the bailcr,through a filw apparatus,into the <br /> apprctpria€e sample container The filter apparatus consists of a pressum vessel,a -opetaW <br /> pr=SUM pump, and a filter 'dge. Water frotn the bailer is in the Pressure Vessel and <br /> air Pressure(via the hand pump)is applied to fo.rce waw duOugh the filter cartcidge into <br /> the SaMPIt bottles. 'The pressure venel is washed in Al x, steam e:l , and - d with <br /> delonized water between wells. A new fib=cartridge zsused at each VIR-31. <br /> SiMPUS will be lalxeled with a Udqm Sam* ildtntificatidft project idwtifloadon <br /> number,samPle location,and date=d tim sarnpled. plea WJ1 be transported to the contract <br /> Utboratory tinder strict chain-of-custody <br /> CQMTWU low Y.te3. rddvt tcr_ <br />