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as Uttle agitation as possible to reduce potential loss <br /> of volatile constituents. 3vi40r ions, TI}g <br /> and metals analyses (n non-preserved'containers) will be collected next fallowa3 b <br /> be collected in preserved containers. Containers will filled directly y samples,to <br /> y from the disposable bailer, <br /> immediately capped,and placed in a tem - omtored iced chest. Caution will be used not <br /> to overfill bottles <br /> containing a preswadve. Temperattim w.M be <br /> thermometer in the chest and ch�ckin to monitored by Placing-a <br /> 8 3s sufficient ice in the chest to <br /> maintain. a urn e of 4ppro=ntely 4 degrees Celsius. The laboratory will m <br /> document, and report the temperature of the simple container ' <br /> n arrival at the laboratory.. <br /> Tbe.as lytical laboratory places a total of 2 ml of nitric acid insome of the I liter bottles to <br /> reduce the pH to below 2. On an andua! basis an extra,preserved bottle will be filled with <br /> -groundwater and-the pH measured in the bottle.. It is' ed that the pH will be bel®w 2- If it <br /> is not the field technician will ad8 nitric acid in measured amounts until the pH is below 2_ This <br /> added quantity of acrid will be placed in all the preserved bottles.dudng the following monitoring <br /> rounds until it is checked again the folio - _ S lam_ H•-will_be co <br /> = �p P afirmed:at:the.: <br /> Laboratory and recorded. Deviations will be documented and reported by the laboratory. <br /> Samples;to be submitted for metals analysis-wM. be filtered in the field_ F'li tcruxig gill be <br /> ,performed using an in line filter mecbaui= which xiscs thcpmxpwgPrOcew dedicated <br /> Pump to draw water through the 4 mieroia flteer-_ A new flier will be used at each well. <br /> The new <br /> fliers ~dill have a .minimum of one filter volume of groundwater pressurized through the to- <br /> reduce adsorption effects. The actual 111tcred-sample.will not be collected. <br /> until a <br /> minimumof <br /> two filter volumes of Vourtdwater h passed through the. filter: For without <br /> dedicated Pumps, the saniples are transfernd from the bailer,through a f&craF into the <br /> 2PPMpnate saYraple container. The filter apparatus of a pressure v=eL ahead-opera�tcd <br /> Pump, and a filter cartridge. Water from the bailer is placed in the pressure vessel and <br /> ,enough au pressure(via the hand )is applied to forrx water through the filter cartridge into <br /> the sample bottles. Ile pressure vessel is washed in Alconox, steam cleaned, and rinsed:with <br /> defonized water between wells.. A new filter carttidge is used at each well. <br /> SimAles willbe labeled with a unique sample identificaiion. number, project identification <br /> number,sample location,and date and time sampled. Samples will be timmported to the contract - <br /> laboratory under strict chain-of .. <br /> 23483949401%23101132S A-9 x,14,2000 <br /> 2000 Kkbnrdea,b_ <br />